10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2022

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _________________ to _________________

Commission File Number: 001-38233

CARGURUS, INC.

(Exact Name of Registrant as Specified in its Charter)

Delaware	04-3843478
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
2 Canal Park, 4th Floor Cambridge, Massachusetts	02141
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (617) 354-0068

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Trading Symbol	Name of Exchange on Which Registered
Class A Common Stock, par value $0.001 per share	CARG	The Nasdaq Stock Market LLC (Nasdaq Global Select Market)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Small reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of November 3, 2022, the registrant had 102,936,206 shares of Class A common stock, $0.001 par value per share, and 15,999,173 shares of Class B common stock, par value $0.001 per share, outstanding.

Table of Contents

		Page
PART I.	FINANCIAL INFORMATION	1
Item 1.	Financial Statements	1
	Unaudited Condensed Consolidated Balance Sheets	1
	Unaudited Condensed Consolidated Income Statements	2
	Unaudited Condensed Consolidated Statements of Comprehensive Income	3
	Unaudited Condensed Consolidated Statements of Redeemable Noncontrolling Interest and Stockholders’ Equity	4
	Unaudited Condensed Consolidated Statements of Cash Flows	5
	Notes to Unaudited Condensed Consolidated Financial Statements	6
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	19
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	42
Item 4.	Controls and Procedures	43
PART II.	OTHER INFORMATION	44
Item 1.	Legal Proceedings	44
Item 1A.	Risk Factors	44
Item 5.	Other Information	59
Item 6.	Exhibits	60
Signatures		61

ii

SPECIAL NOTE REGARDING FORWARD‑LOOKING STATEMENTS

This report contains forward‑looking statements within the meaning of the federal securities laws, which statements involve substantial risks and uncertainties. Forward‑looking statements generally relate to future events or our future financial or operating performance. In some cases, you can identify forward‑looking statements because they contain words such as “anticipates,” “believes,” “could,” “estimates,” “expects,” “intends,” “likely,” “may,” “might,” “plans,” “potential,” “predicts,” “projects,” “seeks,” “should,” “target,” “will,” “would,” or similar expressions and the negatives of those terms. Forward-looking statements contained in this report include, but are not limited to, statements about:

•our future financial performance, including our expectations regarding our revenue, cost of revenue, gross profit or gross margin, operating expenses, ability to generate cash flow, and ability to achieve, and maintain, future profitability;

•our growth strategies and our ability to effectively manage any growth;

•the value proposition of our product offerings for dealers and consumers, and the return on investment that our dealers realize from our products;

•our evolution to becoming a transaction-enabled marketplace where consumers can shop, buy, seek financing, and sell their cars and dealers can source, market, and sell their vehicles;

•our ability to realize benefits from our acquisitions and successfully implement the integration strategies in connection therewith;

•our expectations regarding future share issuances and the exercise of put and call rights in connection with potentially acquiring additional equity interests in CarOffer, LLC, or CarOffer, as well as the associated valuation of redeemable noncontrolling interests;

•the value proposition of the CarOffer online wholesale platform, including our belief that as dealer enrollments increase, dealers will see a corresponding increase in inventory on the platform, further enabling liquidity, selection, choice and business efficiencies;

•our expectations for CarGurus Instant Max Cash Offer, as well as our digital retail offerings and continued investments;

•the impact of competition in our industry and innovation by our competitors;

•the impact of accounting pronouncements;

•the impact of litigation;

•our ability to hire and retain necessary qualified employees to expand our operations;

•our ability to adequately protect our intellectual property;

•our ability to stay abreast of, and effectively comply with, new or modified laws and regulations that currently apply or become applicable to our business and our beliefs regarding our compliance therewith;

•our ability to overcome challenges facing the automotive industry ecosystem, including inventory supply problems, global supply chain challenges, the global semiconductor chip shortage, changes to trade policies and other macroeconomic issues;

•our expectations regarding cash generation and the sufficiency of our cash to fund our operations;

•the future trading prices of our Class A common stock;

•our expectation regarding deferred tax assets;

•the material weakness in our internal control over financial reporting that we have identified, and our ability to remediate such weakness and enhance our internal control environment;

•our revolving credit facility;

•our expected returns on investments; and

•the impacts of the COVID-19 pandemic.

iii

You should not rely upon forward‑looking statements as predictions of future events. We have based the forward‑looking statements contained in this report primarily on our current expectations and projections about future events and trends that we believe may affect our business, financial condition, operating results, and growth prospects. The outcome of the events described in these forward‑looking statements is subject to risks, uncertainties, and other factors described in the section titled “Risk Factors” and elsewhere in this report. Moreover, we operate in a very competitive and rapidly changing environment. New risks and uncertainties emerge from time to time, and it is not possible for us to predict all risks and uncertainties that could have an impact on the forward‑looking statements contained in this report. Further, our forward‑looking statements do not reflect the potential impact of any future acquisitions, mergers, dispositions or joint ventures in which we may be involved, or investments we may make. We cannot assure you that the results, events, and circumstances reflected in the forward‑looking statements will be achieved or occur, and actual results, events, or circumstances could differ materially from those described in the forward‑looking statements.

The forward‑looking statements made in this report relate only to events as of the date on which the statements are made. We undertake no obligation to update any forward‑looking statement made in this report to reflect events or circumstances after the date of this report or to reflect new information or the occurrence of unanticipated events, except as required by law.

iv

PART I—FINANCIAL INFORMATION

Item 1. Financial Statements.

CarGurus, Inc.

Unaudited Condensed Consolidated Balance Sheets

(in thousands, except share and per share data)

	At September 30, 2022			At December 31, 2021
Assets
Current assets
Cash and cash equivalents	$	404,429		$	231,944
Investments		—			90,000
Accounts receivable, net of allowance for doubtful accounts of $1,122    and $420, respectively		120,059			189,324
Inventory		28,166			19,656
Prepaid expenses, prepaid income taxes and other current assets		29,647			16,430
Deferred contract costs		8,039			9,045
Restricted cash		13,506			6,709
Total current assets		603,846			563,108
Property and equipment, net		36,833			32,210
Intangible assets, net		60,535			83,915
Goodwill		156,216			158,287
Operating lease right-of-use assets		55,793			60,609
Restricted cash		9,376			9,627
Deferred tax assets		44,008			13,378
Deferred contract costs, net of current portion		7,298			5,867
Other non-current assets		8,950			4,573
Total assets	$	982,855		$	931,574
Liabilities, redeemable noncontrolling interest and stockholders’ equity
Current liabilities
Accounts payable	$	67,149		$	66,153
Accrued expenses, accrued income taxes and other current liabilities		56,970			78,586
Deferred revenue		12,737			12,784
Operating lease liabilities		12,025			13,186
Total current liabilities		148,881			170,709
Operating lease liabilities		52,942			57,519
Deferred tax liabilities		23			58
Other non–current liabilities		30,466			23,639
Total liabilities		232,312			251,925
Commitments and contingencies (Note 8)
Redeemable noncontrolling interest		172,612			162,808
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized;    no shares issued and outstanding		—			—
Class A common stock, $0.001 par value per share; 500,000,000 shares    authorized; 102,903,347 and 101,773,034 shares issued and outstanding    at September 30, 2022 and December 31, 2021, respectively		103			102
Class B common stock, $0.001 par value per share; 100,000,000 shares    authorized; 15,999,173 and 15,999,173 shares issued and outstanding    at September 30, 2022 and December 31, 2021, respectively		16			16
Additional paid-in capital		418,013			387,868
Retained earnings		163,796			129,258
Accumulated other comprehensive loss		(3,997	)		(403	)
Total stockholders’ equity		577,931			516,841
Total liabilities, redeemable noncontrolling interest and stockholders’ equity	$	982,855		$	931,574

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

1

CarGurus, Inc.

Unaudited Condensed Consolidated Income Statements

(in thousands, except share and per share data)

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022			2021
Revenue
Marketplace	$	165,309		$	159,925	$	492,524		$	476,183
Wholesale		47,045			45,215		213,976			112,532
Product		214,100			17,775		661,791			23,316
Total revenue		426,454			222,915		1,368,291			612,031
Cost of revenue (1)
Marketplace		14,956			11,687		40,422			33,986
Wholesale		41,789			28,992		146,489			75,344
Product		218,924			19,354		660,869			25,078
Total cost of revenue		275,669			60,033		847,780			134,408
Gross profit		150,785			162,882		520,511			477,623
Operating expenses:
Sales and marketing		83,319			66,626		266,505			200,935
Product, technology, and development		30,208			26,539		92,215			79,333
General and administrative		4,760			20,414		71,395			67,095
Depreciation and amortization		3,842			9,227		11,539			25,916
Total operating expenses		122,129			122,806		441,654			373,279
Income from operations		28,656			40,076		78,857			104,344
Other income (expense), net		200			143		(75	)		426
Income before income taxes		28,856			40,219		78,782			104,770
Provision for income taxes		10,032			10,952		23,059			28,556
Consolidated net income		18,824			29,267		55,723			76,214
Net (loss) income attributable to redeemable noncontrolling interest		(1,576	)		68		(3,871	)		(3,398	)
Net income attributable to CarGurus, Inc.		20,400			29,199		59,594			79,612
Accretion of redeemable noncontrolling interest to redemption value		(86,564	)		—		25,056			—
Net income attributable to common stockholders	$	106,964		$	29,199	$	34,538		$	79,612
Net income per share attributable to common stockholders: (Note 10)
Basic	$	0.90		$	0.25	$	0.29		$	0.68
Diluted	$	0.14		$	0.24	$	0.28		$	0.66
Weighted-average number of shares of common stock used in    computing net income per share attributable to common stockholders:
Basic		118,683,642			117,412,164		118,370,925			116,955,188
Diluted		132,243,636			120,438,373		122,159,270			119,051,228

(1)Includes depreciation and amortization expense for the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021 of $7,341, $1,429, $22,063 and $3,571, respectively.

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

2

CarGurus, Inc.

Unaudited Condensed Consolidated Statements of Comprehensive Income

(in thousands)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2022			2021			2022			2021
Consolidated net income	$	18,824		$	29,267		$	55,723		$	76,214
Other comprehensive income:
Foreign currency translation adjustment		(1,519	)		(738	)		(3,594	)		(1,573	)
Consolidated comprehensive income		17,305			28,529			52,129			74,641
Comprehensive (loss) income attributable to redeemable   noncontrolling interests		(1,576	)		68			(3,871	)		(3,398	)
Comprehensive income attributable to CarGurus, Inc.	$	18,881		$	28,461		$	56,000		$	78,039

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

3

CarGurus, Inc.

Unaudited Condensed Consolidated Statements of Redeemable Noncontrolling Interest and Stockholders’ Equity

(in thousands, except share data)

	Redeemable Noncontrolling			Class A Common Stock					Class B Common Stock						Additional Paid–in			Retained			Accumulated Other Comprehensive			Total Stockholders’
	Interest			Shares			Amount		Shares			Amount			Capital			Earnings			Loss (Income)			Equity
Balance as of December 31, 2021	$	162,808			101,773,034		$	102		15,999,173		$	16		$	387,868		$	129,258		$	(403	)		516,841
Net (loss) income		(1,072	)		—			—		—			—			—			19,910			—			19,910
Stock–based compensation expense		—			—			—		—			—			15,353			—			—			15,353
Issuance of common stock upon exercise of stock options		—			74,163			—		—			—			680			—			—			680
Issuance of common stock upon vesting of restricted stock units		—			451,084			—		—			—			—			—			—			—
Payment of withholding taxes on net share settlements of equity awards		—			(155,736	)		—		—			—			(5,430	)		—			—			(5,430	)
Accretion of redeemable noncontrolling interest to redemption value		82,000			—			—		—			—			—			(82,000	)		—			(82,000	)
Tax distributions to redeemable noncontrolling interest holders		(3,986	)		—			—		—			—			—			—			—			—
Foreign currency translation adjustment		—			—			—		—			—			—			—			(489	)		(489	)
Balance as of March 31, 2022	$	239,750			102,142,545		$	102		15,999,173		$	16		$	398,471		$	67,168		$	(892	)	$	464,865
Net (loss) income		(1,223	)		—			—		—			—			—			19,284			—			19,284
Stock–based compensation expense		—			—			—		—			—			14,697			—			—			14,697
Issuance of common stock upon exercise of stock options		—			23,240			—		—			—			25			—			—			25
Issuance of common stock upon vesting of restricted stock units		—			447,555			—		—			—			—			—			—			—
Payment of withholding taxes on net share settlements of equity awards		—			(147,533	)		—		—			—			(5,830	)		—			—			(5,830	)
Accretion of redeemable noncontrolling interest to redemption value		29,620			—			—		—			—			—			(29,620	)		—			(29,620	)
Tax distributions to redeemable noncontrolling interest holders		(3,642	)		—			—		—			—			—			—			—			—
Foreign currency translation adjustment		—			—			—		—			—			—			—			(1,586	)		(1,586	)
Balance at June 30, 2022	$	264,505			102,465,807		$	102		15,999,173		$	16		$	407,363		$	56,832		$	(2,478	)	$	461,835
Net (loss) income		(1,576	)		—			—		—			—			—			20,400			—			20,400
Stock–based compensation expense		—			—			—		—			—			14,910			—			—			14,910
Issuance of common stock upon exercise of stock options		—			21,600			—		—			—			14			—			—			14
Issuance of common stock upon vesting of restricted stock units		—			643,989			1		—			—			(1	)		—			—			—
Payment of withholding taxes on net share settlements of equity awards		—			(228,049	)		—		—			—			(4,273	)		—			—			(4,273	)
Accretion of redeemable noncontrolling interest to redemption value		(86,564	)		—			—		—			—			—			86,564			—			86,564
Tax distributions to redeemable noncontrolling interest holders		(3,753	)		—			—		—			—			—			—			—			—
Foreign currency translation adjustment		—			—			—		—			—			—			—			(1,519	)		(1,519	)
Balance at September 30, 2022	$	172,612			102,903,347		$	103		15,999,173		$	16		$	418,013		$	163,796		$	(3,997	)	$	577,931
Balance as of December 31, 2020	$	—			94,310,309		$	94		19,076,500		$	19		$	242,181		$	129,412		$	1,880			373,586
Net (loss) income		(2,810	)		—			—		—			—			—			22,361			—			22,361
Stock–based compensation expense		—			—			—		—			—			14,929			—			—			14,929
Issuance of common stock upon exercise of stock options		—			93,455			—		—			—			258			—			—			258
Issuance of common stock upon vesting of restricted stock units		—			473,883			1		—			—			(1	)		—			—			—
Payment of withholding taxes on net share settlements of equity awards		—			(162,950	)		—		—			—			(5,041	)		—			—			(5,041	)
Conversion of common stock		—			929,597			1		(929,597	)		(1	)		—			—			—			—
Issuance of common stock upon for acquisition		—			3,115,282			3		—			—			103,642			—			—			103,645
Acquisition of a 51% interest in CarOffer, LLC		58,031			—			—		—			—			—			—			—			—
Foreign currency translation adjustment		—			—			—		—			—			—			—			(1,083	)		(1,083	)
Balance as of March 31, 2021	$	55,221			98,759,576		$	99		18,146,903		$	18		$	355,968		$	151,773		$	797		$	508,655
Net (loss) income		(656	)		—			—		—			—			—			28,052			—			28,052
Stock–based compensation expense		—			—			—		—			—			15,253			—			—			15,253
Issuance of common stock upon exercise of stock options		—			36,027			—		—			—			140			—			—			140
Issuance of common stock upon vesting of restricted stock units		—			391,468			—		—			—			—			—			—			—
Payment of withholding taxes on net share settlements of equity awards		—			(126,703	)		—		—			—			(3,167	)		—			—			(3,167	)
Foreign currency translation adjustment		—			—			—		—			—			—			—			248			248
Balance at June 30, 2021	$	54,565			99,060,368		$	99		18,146,903		$	18		$	368,194		$	179,825		$	1,045		$	549,181
Net income		68			—			—		—			—			—			29,199			—			29,199
Stock–based compensation expense		—			—			—		—			—			14,581			—			—			14,581
Issuance of common stock upon exercise of stock options		—			43,909			—		—			—			139			—			—			139
Issuance of common stock upon vesting of restricted stock units		—			338,509			—		—			—			—			—			—			—
Payment of withholding taxes on net share settlements of equity awards		—			(114,973	)		—		—			—			(3,106	)		—			—			(3,106	)
Conversion of common stock		—			1,676,061			2		(1,676,061	)		(2	)		—			—			—			—
Foreign currency translation adjustment		—			—			—		—			—			—			—			(738	)		(738	)
Balance at September 30, 2021	$	54,633			101,003,874		$	101		16,470,842		$	16		$	379,808		$	209,024		$	307		$	589,256

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

4

CarGurus, Inc.

Unaudited Condensed Consolidated Statements of Cash Flows

(in thousands)

	Nine Months Ended September 30,
	2022			2021
Operating Activities
Consolidated net income	$	55,723		$	76,214
Adjustments to reconcile consolidated net income to net cash provided    by operating activities:
Depreciation and amortization		33,602			29,487
Currency loss (gain) on foreign denominated transactions		617			(72	)
Deferred taxes		(30,665	)		5,774
Provision for doubtful accounts		1,129			727
Stock-based compensation expense		41,550			42,551
Amortization of deferred financing costs		7			—
Amortization of deferred contract costs		8,332			9,643
Impairment of website development costs		—			2,351
Changes in operating assets and liabilities:
Accounts receivable, net		63,484			(51,595	)
Inventory		(8,510	)		(4,057	)
Prepaid expenses, prepaid income taxes, and other assets		(14,675	)		(2,970	)
Deferred contract costs		(9,089	)		(6,522	)
Accounts payable		1,310			24,548
Accrued expenses, accrued income taxes, and other liabilities		18,924			4,808
Deferred revenue		(20	)		3,390
Lease obligations		(916	)		786
Net cash provided by operating activities		160,803			135,063
Investing Activities
Purchases of property and equipment		(4,168	)		(4,935	)
Capitalization of website development costs		(8,275	)		(4,145	)
Cash paid for acquisitions, net of cash acquired		—			(64,273	)
Investments in certificates of deposit		—			(90,000	)
Maturities of certificates of deposit		90,000			100,000
Net cash provided by (used in) investing activities		77,557			(63,353	)
Financing Activities
Proceeds from exercise of stock options		719			537
Payment of finance lease obligations		(51	)		(29	)
Payment of withholding taxes on net share settlement of equity awards		(14,171	)		(11,314	)
Repayment of line of credit		—			(14,250	)
Payment of deferred financing costs		(2,578	)		—
Payment of tax distributions to redeemable noncontrolling interest holders		(19,843	)		—
Payments made to third-party payment processor		(21,765	)		—
Net cash used in financing activities		(57,689	)		(25,056	)
Impact of foreign currency on cash, cash equivalents, and restricted cash		(1,640	)		(359	)
Net increase in cash, cash equivalents, and restricted cash		179,031			46,295
Cash, cash equivalents, and restricted cash at beginning of period		248,280			200,926
Cash, cash equivalents, and restricted cash at end of period	$	427,311		$	247,221
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$	53,249		$	21,798
Cash paid for operating lease liabilities	$	13,535		$	12,320
Cash paid for interest	$	25		$	—
Supplemental noncash disclosure of cash flow information:
Unpaid purchases of property and equipment, capitalized website   development, capitalized internal-use software and capitalized hosting   arrangements	$	224		$	504
Capitalized stock-based compensation expense in website development and    internal-use software costs and hosting arrangements	$	3,410		$	2,212
Obtaining a right-of-use asset in exchange for a finance lease liability	$	—		$	664
Obtaining a right-of-use asset in exchange for an operating lease liability	$	5,307		$	12,336
Issuance of stock for acquisition	$	—		$	103,645
Accretion of redeemable noncontrolling interest to redemption value	$	25,056		$	—
Accrued tax distributions to redeemable noncontrolling interest holders	$	239		$	—

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

5

CarGurus, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

(dollars in thousands, except share and per share data, unless otherwise noted)

1. Organization and Business Description

CarGurus, Inc. (the “Company”) is a multinational, online automotive platform for buying and selling vehicles that is building upon its industry-leading listings marketplace with both digital retail solutions and the CarOffer online wholesale platform. The CarGurus marketplace gives consumers the confidence to purchase or sell a vehicle either online or in-person, and it gives dealerships the power to accurately price, effectively market, instantly acquire and quickly sell vehicles, all with a nationwide reach. The Company uses proprietary technology, search algorithms and data analytics to bring trust, transparency and competitive pricing to the automotive shopping experience.

The Company is headquartered in Cambridge, Massachusetts and was incorporated in the State of Delaware on June 26, 2015.

The Company operates principally in the United States. In the United States, it also operates as independent brands the Autolist online marketplace, which it wholly owns, and the CarOffer, LLC (“CarOffer”) digital wholesale marketplace, in which it has a 51% interest. In addition to the United States, the Company operates online marketplaces under the CarGurus brand in Canada and the United Kingdom. In the United Kingdom, it also operates as an independent brand the PistonHeads online marketplace, which it wholly owns.

The Company has subsidiaries in the United States, Canada, Ireland, and the United Kingdom and, prior to the first quarter of 2022, had two reportable segments – United States and International. Effective as of the first quarter of 2022, the Company revised its segment reporting from two reportable segments to one reportable segment. See Note 12 of the Unaudited Condensed Consolidated Financial Statements included elsewhere in this Quarterly Report for further segment reporting and geographical information.

2. Summary of Significant Accounting Policies

Basis of Presentation

The accompanying interim condensed consolidated financial statements (the “Unaudited Condensed Consolidated Financial Statements”) are unaudited. The Unaudited Condensed Consolidated Financial Statements and related disclosures have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”). Any reference in these notes to applicable guidance is meant to refer to GAAP as found in the Accounting Standards Codification (“ASC”) and Accounting Standards Update (“ASU”) of the Financial Accounting Standards Board (“FASB”).

The Unaudited Condensed Consolidated Financial Statements have also been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Accordingly, certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. The Unaudited Condensed Consolidated Financial Statements reflect all adjustments, consisting of only normal recurring adjustments, necessary for the fair presentation of the Company’s financial position as of September 30, 2022 and December 31, 2021, results of operations, comprehensive income, and changes in shareholders’ equity for the three and nine months ended September 30, 2022 and 2021 and cash flows for the nine months ended September 30, 2022 and 2021. These interim period results are not necessarily indicative of the results to be expected for any other interim period or the full year.

The Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC on February 25, 2022 (the “Annual Report”).

While the Company disclosed total revenue in the Unaudited Condensed Consolidated Income Statements in the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2021, filed with the SEC on November 9, 2021, the accompanying Unaudited Condensed Consolidated Income Statements for the three and nine months ended September 30, 2021 presents revenues disaggregated into marketplace, wholesale, and product revenues to conform to the current year presentation, as a result of the acquisition of a 51% interest in CarOffer.

Principles of Consolidation

The accompanying Unaudited Condensed Consolidated Financial Statements include the accounts of the Company and its subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

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Subsequent Event Considerations

The Company considers events or transactions that occur after the balance sheet date but prior to the issuance of the financial statements to provide additional evidence for certain estimates or to identify matters that require additional disclosure. The Company has evaluated all subsequent events and determined that there are no material recognized or unrecognized subsequent events requiring disclosure, other than those disclosed in Note 13 of these Unaudited Condensed Consolidated Financial Statements.

Use of Estimates

The preparation of the Unaudited Condensed Consolidated Financial Statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting period.

Although the Company regularly assesses these estimates, actual results could differ materially from these estimates. The Company bases its estimates on historical experience and various other assumptions that it believes to be reasonable under the circumstances. Actual results may differ from management’s estimates if these results differ from historical experience, or other assumptions do not turn out to be substantially accurate, even if such assumptions are reasonable when made. Changes in estimates are recognized in the period in which they become known.

Critical estimates relied upon in preparing the Unaudited Condensed Consolidated Financial Statements include the determination of sales allowance and variable consideration in the Company’s revenue recognition, allowance for doubtful accounts, the impairment of long-lived assets, the capitalization of product, technology, and development costs for website development, internal-use software and hosting arrangements, the valuation of acquired assets and liabilities, the valuation and recoverability of intangible assets and goodwill, the valuation of redeemable noncontrolling interest, the recoverability of the Company’s net deferred tax assets and related valuation allowance, the valuation of inventory, and the valuation of equity and liability-classified compensation awards under ASC Topic 718, Stock-based Compensation (“ASC 718”). Accordingly, the Company considers these to be its critical accounting estimates, and believes that of the Company’s significant accounting policies, these policies involve the greatest degree of judgment and complexity.

Concentration of Credit Risk

The Company has no significant off-balance sheet risk, such as foreign exchange contracts, option contracts, or other foreign hedging arrangements. Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash, cash equivalents, investments, and trade accounts receivable.

The Company maintains its cash, cash equivalents, and investments principally with accredited financial institutions of high credit standing. Although the Company deposits its cash, cash equivalents, and investments with multiple financial institutions, its deposits may often exceed governmental insured limits.

The Company is exposed to credit losses primarily through its trade accounts receivable, which includes receivables in transit from a third-party payment processor. The third-party payment processor collects customer payments on the Company's behalf and remits them to the Company. Customer payments received, but not remitted as of period end are deemed to be receivables in transit. Additionally, the third-party payment processor provides payments in advance for certain selling dealers. If the third-party payment processor does not receive buying dealer payments associated with the transaction paid in advance, the Company would guarantee losses incurred by the third-party payment processor and the balance would be deducted from future remittances to the Company. To date, losses associated with these guarantees have not been material. Payments received in advance are presented as cash flows from financing activities in the Unaudited Condensed Consolidated Statements of Cash Flows.

The Company offsets gross trade accounts receivable with payments received in advance from the third-party payment processor as it has the right of offset. At any point in time, the Company could have amounts due from the third-party payment processor for funds the third-party payment processor has collected from buying dealers and has not yet remitted to the Company, as well as amounts paid by the third-party payment processor to the Company in advance of collecting payments from buying dealers. Therefore, as the Company has the right to offset, the Company can either have a net receivable balance due from the third-party payment processor which is recognized within accounts receivable, or the Company can have a net liability which is recognized within accrued expenses if the advance payments exceed the receivable position from the third-party payment processor as of the balance sheet date.

As of September 30, 2022, gross trade accounts receivable from receivables in transit from the third-party payment processor was $23,310, offset by payments received in advance of $25,058, which resulted in a net liability of $1,748 recognized within accrued expenses, accrued income taxes and other current liabilities in the Unaudited Condensed Consolidated Balance Sheets. As of December 31, 2021, gross trade accounts receivable from receivables in transit from the third-party payment processor was $18,747, offset by payments received in advance of $46,822, which resulted in a net liability of $28,075 recognized within accrued expenses, accrued income taxes and other current liabilities in the Unaudited Condensed Consolidated Balance Sheets.

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The Company routinely assesses the creditworthiness of its customers and does not require collateral. The Company generally has not experienced any material losses related to receivables from individual customers, or groups of customers. The majority of the Company's accounts receivable results from a third-party payment processor for wholesale and product revenue transactions. The Company has had no material losses related to wholesale and product receivables as it does not release title to the vehicle until successfully collecting funds from the buying dealer. Due to these factors, no additional credit risk beyond amounts provided for collection losses is believed by management to be probable in the Company’s accounts receivable.

As of September 30, 2022, one customer accounted for 16% of net accounts receivable. As of December 31, 2021, two customers accounted for 47% and 18% of net accounts receivable, respectively. Although 16% of net accounts receivable was attributable to one customer as of September 30, 2022 and 47% and 18% of net accounts receivable was attributable to two customers as of December 31, 2021, the remainder of the accounts receivable was dispersed among more than 1,000 customers. These customers who account for greater than 10% of net accounts receivable are related to wholesale and product receivables. Because the Company does not release title on vehicles until funds are successfully collected as discussed above, there is no significant credit risk associated with these customers. Other than the receivables associated with these customers discussed above, credit risk with respect to accounts receivable is dispersed due to the large number of customers.

As of September 30, 2022 and December 31, 2021, $6,199 and $7,356, respectively, was included in net accounts receivable, representing unbilled accounts receivable relating primarily to advertising customers invoiced in the period subsequent to services rendered.

For the three and nine months ended September 30, 2022 and 2021, no individual customer accounted for more than 10% of total revenue.

Significant Accounting Policies

The Unaudited Condensed Consolidated Financial Statements reflect the application of certain significant accounting policies as described below and elsewhere in these notes to the Unaudited Condensed Consolidated Financial Statements. As of September 30, 2022, there have been no material changes in the Company’s significant accounting policies, which are detailed in the Annual Report, other than as described below.

Stock-Based Compensation

During the three months ended June 30, 2022, the Company refined its model for determining the fair value of liability-classified awards as a result of obtaining gross profit actuals through the trailing twelve-month ended June 30, 2022 measuring period. The fair value is now determined using a Monte Carlo simulation model, instead of using the previous Least Square Monte Carlo simulation model. The determination of the fair value is affected by CarOffer’s equity value, EBITDA, Excess Parent Capital (as defined in the CarOffer Operating Agreement), and revenue forecasts that drive the exercise price of future call/put rights, as well as a number of assumptions including market price of risk, volatility, correlation, and risk-free interest rate. Liability-classified awards are remeasured to fair value each period until settlement.

As disclosed in the Company's Current Report on Form 8-K filed with the SEC on September 29, 2022, the Company determined not to exercise the Company's call right to acquire up to an additional 25% of the fully diluted capitalization of CarOffer. The valuation of these liability awards continues to be valued using a Monte Carlo simulation and is now derived from the Company’s 2024 call right and CarOffer’s 2024 put right.

Deferred Financing Costs

The Company capitalizes certain legal and other third-party fees that are directly associated with obtaining access to capital via credit facilities. Deferred financing costs incurred in connection with obtaining access to capital are recognized within other non-current assets in the Unaudited Condensed Consolidated Balance Sheets and within financing activities in the Unaudited Condensed Consolidated Statement of Cash Flows. These costs are amortized on a straight-line basis over the term of the applicable credit facility and recognized as interest expense within other income (expense), net in the Unaudited Condensed Consolidated Income Statements and as an adjustment to consolidated net income in the Unaudited Condensed Consolidated Statement of Cash Flows.

For the three and nine months ended September 30, 2022, the Company recognized deferred financing costs of $2,578. For the three and nine months ended September 30, 2022, amortization of deferred financing costs was immaterial.

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Recent Accounting Pronouncements Not Yet Adopted

From time to time, new accounting pronouncements are issued by the FASB or other standard setting bodies and adopted by the Company on or prior to the specified effective date. Unless otherwise discussed, the Company believes that the impact of recently issued standards that are not yet effective will not have a material impact on its financial position or results of operations upon adoption. As of September 30, 2022, there are no new material accounting pronouncements that the Company is considering adopting.

3. Revenue Recognition

The following table summarizes revenue from contracts with customers by product for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Marketplace	$	165,309	$	159,925	$	492,524	$	476,183
Dealer-to-Dealer		70,741		57,626		273,296		130,484
IMCO		190,404		5,364		602,471		5,364
Total	$	426,454	$	222,915	$	1,368,291	$	612,031

The Company provides disaggregation of revenue (i) based on marketplace, Dealer-to-Dealer, and CarGurus Instant Max Cash Offer (“IMCO”) products as disclosed above, (ii) based on marketplace, wholesale and product revenue sources on the face of its Unaudited Condensed Consolidated Income Statements, and (iii) based on geographic region (see Note 12). The marketplace product is included in the marketplace revenue source. The Dealer-to-Dealer and IMCO products are included in both the wholesale and product revenue sources. The Company believes these categories best depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors.

ASC Topic 606, Revenue from Contracts with Customers (“ASC 606”) requires that the Company disclose the aggregate amount of transaction price that is allocated to performance obligations that have not yet been satisfied as of the relevant quarter end.

For contracts with an original expected duration greater than one year, the aggregate amount of the transaction price allocated to the performance obligations that were unsatisfied as of September 30, 2022 was approximately $6.9 million, which the Company expects to recognize over the next 12 months.

For contracts with an original expected duration of one year or less, the Company has applied the practical expedient available under ASC 606 to not disclose the amount of transaction price allocated to unsatisfied performance obligations as of September 30, 2022. For performance obligations not satisfied as of September 30, 2022, and to which this expedient applies, the nature of the performance obligations, the variable consideration and any consideration from contracts with customers not included in the transaction price is consistent with performance obligations satisfied as of September 30, 2022.

For the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021, revenue recognized from amounts included in deferred revenue at the beginning of the period, was $15,071, $13,120, $12,784, and $9,137, respectively.

4. Fair Value of Financial Instruments

As of September 30, 2022 and December 31, 2021, assets measured at fair value on a recurring basis consist of the following:

	As of September 30, 2022
	Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs)		Significant Other Observable Inputs (Level 2 Inputs)		Significant Unobservable Inputs (Level 3 Inputs)		Total
Cash equivalents:
Money market funds	$	273,574	$	—	$	—	$	273,574
Total	$	273,574	$	—	$	—	$	273,574

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	As of December 31, 2021
	Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs)		Significant Other Observable Inputs (Level 2 Inputs)		Significant Unobservable Inputs (Level 3 Inputs)		Total
Cash equivalents:
Money market funds	$	157,525	$	—	$	—	$	157,525
Investments:
Certificates of deposit		—		90,000		—		90,000
Total	$	157,525	$	90,000	$	—	$	247,525

The Company measures eligible assets and liabilities at fair value with changes in value recognized in earnings. Fair value treatment may be elected either upon initial recognition of an eligible asset or liability or, for an existing asset or liability, if an event triggers a new basis of accounting. During the nine months ended September 30, 2022 and year ended December 31, 2021, the Company did not elect to remeasure any of its existing financial assets and liabilities and did not elect the fair value option for any financial assets transacted.

Cash and cash equivalents primarily consist of cash on deposit with banks and amounts held in interest-bearing money market accounts. Cash equivalents are carried at cost, which approximates their fair market value.

The Company considers all highly liquid investments with an original maturity of 90 days or less at the date of purchase to be cash equivalents. Investments not classified as cash equivalents with maturities one year or less from the balance sheet date are classified as short-term investments, while investments with maturities in excess of one year from the balance sheet date are classified as long-term investments. Management determines the appropriate classification of investments at the time of purchase and re-evaluates such determination at each balance sheet date. Investments are carried at cost, which approximates their fair market value.

As of September 30, 2022, the Company did not hold any investments. As of December 31, 2021, investments consist of the following:

	As of December 31, 2021
	Amortized Cost		Gross Unrealized Gains		Gross  Unrealized  Losses		Estimated Fair Value
Investments:
Certificates of deposit due in one year or less	$	90,000	$	—	$	—	$	90,000
Total	$	90,000	$	—	$	—	$	90,000

5. Property and Equipment, Net

As of September 30, 2022 and December 31, 2021, property and equipment, net consist of the following:

	As of September 30, 2022			As of December 31, 2021
Server and computer equipment	$	8,038		$	8,349
Capitalized internal-use software		6,197			3,041
Capitalized website development		32,554			22,037
Furniture and fixtures		8,599			8,615
Leasehold improvements		24,057			24,082
Construction in progress		2,155			854
Finance lease right-of-use assets		454			556
		82,054			67,534
Less accumulated depreciation and amortization		(45,221	)		(35,324	)
Total	$	36,833		$	32,210

For the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021, depreciation and amortization expense, excluding amortization of intangible assets and amortization of capitalized hosting arrangements, was $3,514, $2,755, $10,556 and $7,068, respectively.

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During the nine months ended September 30, 2022, capitalized website development increased $10,517 due to continued investment in the Company's product offerings.

6. Accrued Expenses, Accrued Income Taxes and Other Current Liabilities and Other Non-Current Liabilities

As of September 30, 2022 and December 31, 2021, accrued expenses, accrued income taxes and other current liabilities consist of the following:

	As of September 30, 2022		As of December 31, 2021
Accrued bonus	$	5,567	$	11,777
Accrued income taxes		9,425		6,344
Accrued tax distributions to redeemable noncontrolling interest holders		239		8,701
Payments received in advance from third-party payment processor		1,748		28,075
Reserve for returns and cancellations		13,802		2,254
Other accrued expenses and other current liabilities		26,189		21,435
Total	$	56,970	$	78,586

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The decrease of $6,210 in accrued bonus is due to the midyear payout of the fiscal year 2022 bonuses in the third quarter of 2022.

The decrease of $26,327 in the payments received in advance from third-party payment processors is due to the timing of payments remitted by the third-party.

The decrease of $8,462 in the accrued tax distributions to redeemable noncontrolling interest holders is due to cash settlement of the balance as of December 31, 2021 during the nine months ended September 30, 2022, offset by the accrual for tax distributions to noncontrolling interest holders for the estimated tax liability on their respective taxable income earned as of September 30, 2022.

The increase of $11,548 in the reserve for returns and cancellations is primarily due to increased IMCO sales volume. Upon recognizing a sales transaction, the Company estimates the amount of transaction price that will be reversed in a subsequent period and records a reserve for returns and cancellations. Actual returns and cancellations are recorded against this returns reserve as incurred.

As of September 30, 2022 and December 31, 2021, other non-current liabilities consist of the following:

	As of September 30, 2022		As of December 31, 2021
CO Incentive Unit and Subject Unit liability-classified awards	$	26,898	$	21,095
Other non-current liabilities		3,568		2,544
Total	$	30,466	$	23,639

In connection with the Company's acquisition of a 51% interest in CarOffer, the then-outstanding unvested incentive units (“CO Incentive Units”) of CarOffer and unvested Class CO CarOffer units (the “Subject Units”) remained outstanding. The increase of $5,803 related to CO Incentive Unit and Subject Unit liability-classified awards is due to continued recognition of expense over the vesting period, offset by the mark to market valuation adjustments.

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7. Debt

As of September 30, 2022 and December 31, 2021, the Company had no long-term debt outstanding.

Revolving Credit Facility

On September 26, 2022, the Company entered into a Credit Agreement (the “Credit Agreement”) by and among the Company, PNC Bank, National Association, as administrative agent and collateral agent and an L/C Issuer (as defined in the Credit Agreement), and the other lenders, L/C Issuers and parties thereto from time to time. The Credit Agreement consists of a revolving credit facility (the “2022 Revolver”), which allows the Company to borrow up to $400.0 million, $50.0 million of which may be comprised of a letter of credit sub-facility. The borrowing capacity under the Credit Agreement may be increased in accordance with the terms and subject to the adjustments as set forth in the Credit Agreement. For example, the borrowing capacity may be increased by an amount up to the greater of $250.0 million or 100% of Four Quarter Consolidated EBITDA (as defined in the Credit Agreement) if certain criteria are met and subject to certain restrictions. Any such increase requires lender approval. Proceeds of any borrowings may be used for general corporate purposes. The 2022 Revolver is scheduled to mature on September 26, 2027.

The applicable interest rate is, at the Company's option, based on a number of different benchmark rates and applicable spreads, as determined by the Company's Consolidated Secured Net Leverage Ratio (as defined below). The 2022 Revolver is also subject to a commitment fee with respect of the unutilized revolving commitments at a rate ranging from 0.125% to 0.175% per annum based on the ratio of the outstanding principal amount of the Company’s secured indebtedness to the trailing four quarters of consolidated EBITDA (as determined under the Credit Agreement, the “Consolidated Secured Net Leverage Ratio”).

The 2022 Revolver is secured by a first priority lien on substantially all tangible and intangible property of the Company and its subsidiary, Auto List, Inc., as well as any future guarantors, and pledges of the equity of CarOffer and certain wholly-owned subsidiaries, in each case subject to certain exceptions, limitations and exclusions from the collateral. The 2022 Revolver includes customary events of default and requires the Company to comply with customary affirmative and negative covenants, including a financial covenant requiring that the Company not exceed certain Consolidated Secured Net Leverage Ratio ranges at the end of each fiscal quarter. The Company was in compliance with all covenants as of September 30, 2022.

As of September 30, 2022, there were no borrowings and no letters of credit outstanding under the 2022 Revolver.

8. Commitments and Contingencies

Contractual Obligations and Commitments

As of September 30, 2022, all of the Company’s property, equipment, and externally sourced internal-use software have been purchased with cash with the exception of amounts related to unpaid property and equipment, capitalized website development, capitalized internal-use software and capitalized hosting arrangements and amounts related to obligations under finance leases as disclosed in the Unaudited Condensed Consolidated Statements of Cash Flows. The Company has no material long-term purchase obligations outstanding with any vendor or third-party.

Leases

The Company’s primary operating lease obligations consist of various leases for office space in: Boston, Massachusetts; Cambridge, Massachusetts; San Francisco, California; Addison, Texas; and Dublin, Ireland.

As of September 30, 2022, there were no material changes in the Company’s leases from those disclosed in the Annual Report.

The Company’s leases in Boston, Massachusetts, Cambridge, Massachusetts and San Francisco, California have associated letters of credit, which are recognized within restricted cash in the Unaudited Condensed Consolidated Balance Sheet. As of September 30, 2022 and December 31, 2021, restricted cash was $22,882 and $16,336, respectively, and primarily related to cash held at a financial institution in an interest‑bearing cash account as collateral for the letters of credit related to the contractual provisions for the Company’s building leases and pass-through payments from customers related to the Company’s wholesale business. As of September 30, 2022 and December 31, 2021, portions of restricted cash were classified as a short-term asset and long‑term asset, as disclosed on the Unaudited Condensed Consolidated Balance Sheet.

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Acquisitions

On January 14, 2021 the Company completed the acquisition of a 51% interest in CarOffer, an automated instant vehicle trade platform based in Addison, Texas, with the option to acquire portions of the remaining equity in the future. Details of this acquisition are more fully described in Note 4 to the financial statements contained within the Annual Report. As disclosed in the Company's Current Report on Form 8-K filed with the SEC on September 29, 2022, the Company determined not to exercise its call right to acquire up to an additional 25% of the fully diluted capitalization of CarOffer.

Legal Matters

From time to time the Company may become involved in legal proceedings or be subject to claims arising in the ordinary course of its business. The Company is not presently subject to any pending or threatened litigation that it believes, if determined adversely to the Company, individually, or taken together, would reasonably be expected to have a material adverse effect on its business or financial results. However, litigation is inherently unpredictable and the future outcome of legal proceedings and other contingencies may be unexpected or differ from the Company’s estimated liabilities, which could have a material adverse effect on the Company’s future financial results.

Guarantees and Indemnification Obligations

In the ordinary course of business, the Company enters into agreements with its customers, partners and service providers that include commercial provisions with respect to licensing, infringement, guarantees, indemnification, and other common provisions.

The Company provides certain guarantees to dealers through products such as its 45-Day Guarantee and OfferGuard product offerings on the CarOffer platform, which are accounted for under ASC Topic 460, Guarantees.

45-Day Guarantee is an arrangement through which a selling dealer lists a car on the CarOffer platform, and the Company provides an offer to purchase the vehicle listed at a specified price at any time over a 45-day period. This provides the seller with a put option, where they have the right, but not the obligation, to require the Company to purchase the vehicle during this window. OfferGuard is an arrangement through which a buying dealer purchases a car on the CarOffer platform, and the Company provides an offer to purchase the vehicle at a specified price between days 1 and 3, and days 42 and 45 if the dealer is not able to sell the vehicle after 42 days.

A guarantee liability is initially measured using the amount of consideration received from the dealer for the purchase of the guarantee. The initial liability is released, and guarantee income is recognized, upon the earliest of the following: the vehicle sells during the guarantee period, the seller exercises it’s put option during the guarantee period, or the option expires unexercised at the end of the guarantee period. Guarantee income is recognized within wholesale revenue in the Unaudited Condensed Consolidated Income Statements. When it is probable and reasonably estimable that the Company will incur a loss on a vehicle that it is required to purchase, a liability, and a corresponding charge to cost of sales is recognized for the amount of the loss in the Unaudited Condensed Consolidated Balance Sheets. Gains and losses resulting from the dealers exercise of guarantees are recognized within cost of sales in the Unaudited Condensed Consolidated Balance Sheets.

For the three and nine months ended September 30, 2022 and 2021 income for guarantees purchased by dealers was $2,717, $1,916, $8,329 and $4,522, respectively. For the three and nine months ended September 30, 2022 and 2021, the net loss resulting from the dealer's exercise of guarantees was $2,354, $1,074, $4,653 and $1,135, respectively.

As of September 30, 2022, the maximum potential amount of future payments that the Company could be required to make under these guarantees was $86,819. Of the maximum potential amount of future payments, none are considered probable. The exercise of guarantees has historically been infrequent and even when such exercises did occur, the losses were immaterial. As such, as of September 30, 2022, the Company had no material contingent loss liabilities.

As of December 31, 2021, the maximum potential amount of future payments that the Company could be required to make under these guarantees was $76,075. Of the maximum potential amount of future payments, none are considered probable. The exercise of guarantees has historically been infrequent and even when such exercises did occur, the losses were immaterial. As such, as of December 31, 2021, the Company had no contingent loss liabilities.

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9. Stock-based Compensation

For the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021, stock compensation expense by award type and where the stock-based compensation expense was recognized in the Company’s Unaudited Condensed Consolidated Income Statements is as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022		2021
Options	$	647		$	630	$	1,937	$	1,882
Restricted stock units		13,324			13,852		39,613		41,539
CO Incentive Units and Subject Units		(20,917	)		687		5,803		9,681
Total	$	(6,946	)	$	15,169	$	47,353	$	53,102

The decreases of $21,604 for the three months ended September 30, 2022 compared to the three months ended September 30, 2021 and $3,878 for the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 in CO Incentive Units and Subject Units stock-based compensation expense was due to a decrease in fair value.

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022		2021
Cost of revenue	$	212		$	110	$	417	$	311
Sales and marketing expense		104			2,717		8,173		9,040
Product, technology, and development expense		4,201			5,583		16,720		17,585
General and administrative expense		(11,463	)		6,759		22,043		26,166
Total	$	(6,946	)	$	15,169	$	47,353	$	53,102

For the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021, excluded from stock-based compensation expense is $939, $777, $3,410, and $2,212 of capitalized website development costs, capitalized internal-use software costs and capitalized hosting arrangements, respectively.

During the three months ended September 30, 2022 and 2021 and the nine months ended September 30, 2022 and 2021, the Company withheld 228,049, 114,973, 531,318, and 404,626 shares of Class A common stock, respectively, to satisfy employee tax withholding requirements for net share settlements of equity awards. The shares withheld return to the authorized, but unissued pool under the Company's Omnibus Incentive Compensation Plan and can be reissued by the Company. For the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021, total payments to satisfy employee tax withholding requirements for net share settlements of equity awards were $2,911, $3,106, $14,171, and $11,314, respectively, and are reflected as a financing activity in the Unaudited Condensed Consolidated Statements of Cash Flows.

10. Earnings Per Share

The Company has two classes of common stock authorized: Class A common stock and Class B common stock. The rights of the holders of Class A and Class B common stock are identical, except with respect to voting and conversion. Each share of Class A common stock is entitled to one vote per share and each share of Class B common stock is entitled to ten votes per share. Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder at any time or automatically upon certain events described in the Company’s amended and restated certificate of incorporation, including upon either the death or voluntary termination of the Company’s Executive Chairman. The Company allocates undistributed earnings attributable to common stock between the common stock classes on a one‑to‑one basis when computing net income per share. As a result, basic and diluted net income per share of Class A common stock and per share of Class B common stock are equivalent.

During the three and nine months ended September 30, 2022, no shares of Class B common stock were converted to Class A common stock. During the three and nine months ended September 30, 2021, holders of Class B common stock converted 1,676,061 and 2,605,658 shares of Class B common stock to Class A common stock, respectively.

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Basic net income per share (“Basic EPS”) is computed by dividing consolidated net income adjusted for net (loss) income attributable to the redeemable noncontrolling interest and changes in the redemption value of redeemable noncontrolling interest, if applicable, by the weighted-average number of common shares outstanding during the reporting period. The Company computes the weighted-average number of common shares outstanding during the reporting period using the total number of shares of Class A common stock and Class B common stock outstanding as of the last day of the previous year plus the weighted-average of any additional shares issued and outstanding during the reporting period.

Diluted net income per share (“Diluted EPS”) gives effect to all potentially dilutive securities. Diluted EPS is computed by dividing consolidated net income adjusted for net (loss) income attributable to the redeemable noncontrolling interest and changes in the redemption value of redeemable noncontrolling interest, if applicable and dilutive, by the weighted-average number of common shares outstanding during the reporting period using (i) the number of shares of common stock used in the Basic EPS calculation as indicated above, (ii) if dilutive, the incremental weighted-average common stock that the Company would issue upon the exercise of stock options and the vesting of RSUs, (iii) if dilutive, market-based performance awards based on the number of shares that would be issuable as of the end of the reporting period assuming the end of the reporting period was also the end of the contingency period. The dilutive effect of these common stock equivalents is reflected in diluted earnings per share by application of the treasury stock method. The if-converted method is used to calculate the number of shares issuable upon exercise of the 2024 Put Right (as defined in Note 4 to the financial statements contained within the Annual Report), inclusive of CarOffer noncontrolling interest and incentive and subject units, that would be issuable as of the end of the reporting period assuming the end of the reporting period was also the end of the contingency period.

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For the three and nine months ended September 30, 2022 and 2021, a reconciliation of the numerator and denominator used in the calculation of basic and diluted net income per share is as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022			2021
Numerator:
Consolidated net income	$	18,824		$	29,267	$	55,723		$	76,214
Net (loss) income attributable to redeemable noncontrolling interest		(1,576	)		68		(3,871	)		(3,398	)
Accretion of redeemable noncontrolling interest to redemption value		(86,564	)		—		25,056			—
Net income attributable to common stockholders — basic	$	106,964		$	29,199	$	34,538		$	79,612
Net (loss) income attributable to redeemable noncontrolling interest		(1,576	)		68		—			(588	)
Accretion of redeemable noncontrolling interest to redemption value		(86,564	)		—		—			—
Net income attributable to common stockholders — diluted	$	18,824		$	29,267	$	34,538		$	79,024
Denominator:
Weighted-average number of shares of common stock used    in computing net income per share attributable to    common stockholders — basic		118,683,642			117,412,164		118,370,925			116,955,188
Dilutive effect of share equivalents resulting from stock    options		252,048			418,054		288,523			460,553
Dilutive effect of share equivalents resulting from    unvested restricted stock units		166,415			491,175		455,857			403,967
Dilutive effect of share equivalents resulting from CarOffer    incentive units and noncontrolling interest		13,141,531			2,116,980		3,043,965			1,231,520
Weighted-average number of shares of common stock    used in computing net income per share attributable to    common stockholders — diluted		132,243,636			120,438,373		122,159,270			119,051,228
Net income per share attributable to common stockholders:
Basic	$	0.90		$	0.25	$	0.29		$	0.68
Diluted	$	0.14		$	0.24	$	0.28		$	0.66

For the three and nine months ended September 30, 2022 and 2021, potentially dilutive common stock equivalents that have been excluded from the calculation of diluted weighted-average shares outstanding as their effect would have been anti-dilutive are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Stock options outstanding		589,090		588,490		592,259		501,306
Restricted stock units outstanding		3,681,606		2,181,061		2,203,409		2,507,873
CO Incentive Units, Subject Units and noncontrolling    interest		—		—		9,001,896		—

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For the three and nine months ended September 30, 2021, shares of Class A common stock potentially issuable under market-based performance awards of approximately 282,921 were excluded from the calculation of weighted average shares used to compute Diluted EPS, as the market-based vesting conditions had not been achieved as of the reporting period end date and as such there were zero contingently issuable shares. During the three months ended March 31, 2022, the Company modified its market-based performance awards to contain only service-based vesting conditions in line with the Company's other restricted stock unit awards.

11. Income Taxes

During the three months ended September 30, 2022, the Company recorded an income tax provision of $10,032, representing an effective tax rate of 33.0%. The effective tax rate for the three months ended September 30, 2022 was greater than the statutory tax rate of 21%, principally due to state and local income taxes, non-deductible employee commuter fringe benefits, shortfalls on the taxable compensation of share-based awards and the Section 162(m) excess officer compensation limitation, partially offset by federal and state research and development tax credits.

During the nine months ended September 30, 2022, the Company recorded an income tax provision of $23,059, representing an effective tax rate of 27.9%. The effective tax rate for the nine months ended September 30, 2022 was greater than the statutory rate of 21%, principally due to state and local income taxes, non-deductible employee commuter fringe benefits, shortfalls on the taxable compensation of share-based awards and the Section 162(m) excess officer compensation limitation, partially offset by federal and state research and development tax credits.

During the three months ended September 30, 2021, the Company recorded an income tax provision of $10,952, representing an effective tax rate of 27.3%. The effective tax rate for the three months ended September 30, 2021 was higher than the statutory tax rate of 21% principally due to state and local income taxes, shortfalls on the taxable compensation of share-based awards and the Section 162(m) excess officer compensation limitation, which became applicable in May 2021 upon the expiration of the transition period permitted following the Company’s initial public offering (“IPO”), partially offset by federal and state research and development tax credits.

During the nine months ended September 30, 2021, the Company recorded an income tax provision of $28,556, representing an effective tax rate of 26.4%. The effective tax rate for the nine months ended September 30, 2021 was higher than the statutory tax rate of 21% principally due to state and local income taxes, shortfalls on the taxable compensation of share-based awards and the Section 162(m) excess officer compensation limitation, which became applicable in May 2021 upon the expiration of the transition period permitted following the IPO, partially offset by federal and state research and development tax credits.

The Company and its subsidiaries are subject to various U.S. federal, state, and foreign income tax examinations. The Company is currently not subject to income tax examination for the tax years of 2017 and prior as a result of applicable statute of limitations of the Internal Revenue Service (“IRS”) and a majority of applicable state jurisdictions. The Company is currently not subject to examination in its foreign jurisdictions for tax years 2016 and prior.

12. Segment and Geographic Information

Effective the first quarter of 2022, the Company revised its segment reporting from two reportable segments, United States and International, to one reportable segment. The Company concluded the change in segment reporting was not a triggering event for goodwill impairment. The change in segment reporting was made to align with changes made in the manner the Company’s chief operating decision maker (the “CODM”) reviews the Company’s operating results in assessing performance and allocating resources. The CODM now assesses the Company's performance on a consolidated basis rather than by geographical location as a result of the international segment becoming less significant relative to the overall business. The CODM reviews revenue and operating income as a proxy for the operating performance of the Company’s operations. The Company’s Chief Executive Officer is the CODM.

For the three and nine months ended September 30, 2022 and 2021, information regarding the Company’s operations by segment is represented within the Unaudited Condensed Consolidated Income Statements.

For the three and nine months ended September 30, 2022 and 2021, information regarding the Company’s revenue by geographical region is as follows:

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	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Revenue by Geographic Region:
United States	$	415,547	$	211,554	$	1,334,811	$	581,149
International		10,907		11,361		33,480		30,882
Total	$	426,454	$	222,915	$	1,368,291	$	612,031

13. Subsequent Event

On November 2, 2022, Yann Gellot, the Company's Senior Vice President, Finance and Principal Accounting Officer, announced his intent to resign to pursue another career opportunity. Mr. Gellot will remain with the Company as Principal Accounting Officer through December 2, 2022, the effective date of his resignation. Additionally, on November 5, 2022, the Company's Board of Directors designated Jason Trevisan, the Company's Chief Executive Officer, to serve as the Company's Principal Accounting Officer effective upon Mr. Gellot's resignation on December 2, 2022 and until such time that the Company appoints a successor Principal Accounting Officer.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

You should read the following discussion and analysis of our financial condition and results of operations together with our Unaudited Condensed Consolidated Financial Statements, and the related notes thereto, appearing elsewhere in this Quarterly Report on Form 10-Q, or Quarterly Report, and our consolidated financial statements and the related notes and other financial information included in our Annual Report on Form 10-K for the year ended December 31, 2021, filed with the Securities and Exchange Commission, or SEC, on February 25, 2022, or our Annual Report. Some of the information contained in this discussion and analysis or elsewhere in this Quarterly Report, including information with respect to our plans and strategy for our business and our performance and future success, includes forward-looking statements that involve risks and uncertainties. See “Special Note Regarding Forward-Looking Statements.” You should review the “Risk Factors” section of this Quarterly Report for a discussion of important factors that could cause actual results to differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and analysis. In this discussion, we use financial measures that are considered non-GAAP financial measures under SEC rules. These rules regarding non-GAAP financial measures require supplemental explanation and reconciliation, which are included elsewhere in this Quarterly Report. Investors should not consider non-GAAP financial measures in isolation from or in substitution for, financial information presented in compliance with United States generally accepted accounting principles, or GAAP. The period-to-period comparison of financial results is not necessarily indicative of future results.

Company Overview

CarGurus is a multinational, online automotive platform for buying and selling vehicles that is building upon its industry-leading listings marketplace with both digital retail solutions and the CarOffer online wholesale platform. The CarGurus marketplace gives consumers the confidence to purchase or sell a vehicle either online or in-person, and it gives dealerships the power to accurately price, effectively market, instantly acquire and quickly sell vehicles, all with a nationwide reach. We use our proprietary technology, search algorithms and data analytics to bring trust, transparency and competitive pricing to the automotive shopping experience.

We are headquartered in Cambridge, Massachusetts and were incorporated in the State of Delaware on June 26, 2015.

We operate principally in the United States. In the United States, we also operate as independent brands the Autolist online marketplace, which we wholly own, and CarOffer digital wholesale marketplace, in which we have a 51% interest. In addition to the United States, we operate online marketplaces under the CarGurus brand in Canada and the United Kingdom. In the United Kingdom, we also operate as an independent brand the PistonHeads online marketplace, which we wholly own.

We have subsidiaries in the United States, Canada, Ireland, and the United Kingdom and, prior to the first quarter of 2022, we had two reportable segments – United States and International. Effective as of the first quarter of 2022, we revised our segment reporting from two reportable segments to one reportable segment. See Note 12 of the Unaudited Condensed Consolidated Financial Statements included elsewhere in this Quarterly Report for further segment reporting and geographical information.

We generate marketplace revenue primarily from (i) dealer subscriptions to our Listings packages and Real-time Performance Marketing, or RPM, digital advertising suite, (ii) advertising revenue from auto manufacturers and other auto-related brand advertisers and (iii) partnerships with financing services companies. We generate wholesale revenue primarily from transaction fees earned from facilitating the purchase and sale of vehicles between dealers, or Dealer-to-Dealer transactions. We generate product revenue primarily from aggregate proceeds received on the sale of vehicles, including through vehicles that are sold to dealers that we acquire directly from customers, or CarGurus Instant Max Cash Offer, or IMCO, transactions.

For the three months ended September 30, 2022, we generated revenue of $426.5 million, a 91% increase from $222.9 million of revenue in the three months ended September 30, 2021. For the three months ended September 30, 2022, we generated consolidated net income of $18.8 million and Adjusted EBITDA of $38.8 million, compared to consolidated net income of $29.3 million and Adjusted EBITDA of $64.9 million for the three months ended September 30, 2021.

For the nine months ended September 30, 2022, we generated revenue of $1,368.3 million, a 124% increase from $612.0 million of revenue in the nine months ended September 30, 2021. For the nine months ended September 30, 2022, we generated consolidated net income of $55.7 million and Adjusted EBITDA of $150.8 million, compared to consolidated net income of $76.2 million and Adjusted EBITDA of $181.9 million for the nine months ended September 30, 2021.

See “Adjusted EBITDA” below for more information regarding our use of Adjusted EBITDA, a non-GAAP financial measure, and a reconciliation of Adjusted EBITDA to our consolidated net income.

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COVID-19 Update

The COVID-19 pandemic resulted in significant disruptions to the global economy as well as businesses and capital markets around the world. The continued impact of COVID-19 and, in particular, existing and new variants that may emerge, cannot be predicted at this time, and could depend on a number of factors, including the availability of vaccines in different parts of the world, vaccination rates among the population, and the effectiveness of vaccines against any variants.

Our recent operations have been affected by a range of factors related to the COVID-19 pandemic, including continued temporary office closures and hybrid or remote work for most employees. Fluctuation in infection rates in the regions in which we operate has resulted in periodic changes in restrictions that vary from region to region and may require rapid response to new or reinstated orders. Many of these orders at times have resulted in restrictions on the ability of consumers to buy and sell automobiles by restricting operations at dealerships and/or by closing or reducing the services provided by certain service providers upon which dealerships rely. In addition, these restrictions and continued concern about the spread of the disease have impacted car shopping by consumers and disrupted the operations of car dealerships, which has adversely affected the market for automobile purchases.

The automotive industry is also facing inventory supply problems, including for reasons attributable to the COVID-19 pandemic and other macroeconomic issues, such as the global semiconductor chip shortage, which have adversely affected the amount of inventory on our websites.

We continue to monitor and assess the effects of the COVID-19 pandemic, including the effects of variants, on our commercial operations, including the impact on our revenue. See the “Risk Factors” section of this Quarterly Report for further discussion of the impacts of the COVID-19 pandemic on our business.

Key Business Metrics

We regularly review a number of metrics, including the key metrics listed below, to evaluate our business, measure our performance, identify trends affecting our business, formulate financial projections, and make operating and strategic decisions. We believe it is important to evaluate these metrics for the United States and International geographic regions. The International region derives revenues from marketplace revenue from customers outside of the United States. International markets perform differently from the United States market due to a variety of factors, including our operating history in each market, our rate of investment, market size, market maturity, competition and other dynamics unique to each country.

Monthly Unique Users

For each of our websites (excluding CarOffer), we define a monthly unique user as an individual who has visited any such website within a calendar month, based on data as measured by Google Analytics. We calculate average monthly unique users as the sum of the monthly unique users of each of our websites in a given period, divided by the number of months in that period. We count a unique user the first time a computer or mobile device with a unique device identifier accesses any of our websites during a calendar month. If an individual accesses a website using a different device within a given month, the first access by each such device is counted as a separate unique user. If an individual uses multiple browsers on a single device and/or clears their cookies and returns to our site within a calendar month, each such visit is counted as a separate unique user. We view our average monthly unique users as a key indicator of the quality of our user experience, the effectiveness of our advertising and traffic acquisition, and the strength of our brand awareness. Measuring unique users is important to us and we believe it provides useful information to our investors because our marketplace revenue depends, in part, on our ability to provide dealers with connections to our users and exposure to our marketplace audience. We define connections as interactions between consumers and dealers on our marketplace through phone calls, email, managed text and chat, and clicks to access the dealer’s website or map directions to the dealership.

	Three Months Ended September 30,
Average Monthly Unique Users	2022		2021
	(in thousands)
United States		29,377		28,818
International		6,724		7,461
Total		36,101		36,279

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Monthly Sessions

We define monthly sessions as the number of distinct visits to our websites (excluding CarOffer) that take place each month within a given time frame, as measured and defined by Google Analytics. We calculate average monthly sessions as the sum of the monthly sessions in a given period, divided by the number of months in that period. A session is defined as beginning with the first page view from a computer or mobile device and ending at the earliest of when a user closes their browser window, after 30 minutes of inactivity, or each night at midnight (i) Eastern Time for our United States and Canada websites, other than the Autolist website, (ii) Pacific Time for the Autolist website, and (iii) Greenwich Mean Time for our U.K. websites. A session can be made up of multiple page views and visitor actions, such as performing a search, visiting vehicle detail pages, and connecting with a dealer. We believe that measuring the volume of sessions in a time period, when considered in conjunction with the number of unique users in that time period, is an important indicator to us of consumer satisfaction and engagement with our marketplace, and we believe it provides useful information to our investors because the more satisfied and engaged consumers we have, the more valuable our service is to dealers.

	Three Months Ended September 30,
Average Monthly Sessions	2022		2021
	(in thousands)
United States		75,871		71,184
International		15,159		17,119
Total		91,030		88,303

Number of Paying Dealers

We define a paying dealer as a dealer account with an active, paid marketplace subscription at the end of a defined period. The number of paying dealers we have is important to us and we believe it provides valuable information to investors because it is indicative of the value proposition of our marketplace products, as well as our sales and marketing success and opportunity, including our ability to retain paying dealers and develop new dealer relationships.

	As of September 30
Number of Paying Dealers	2022		2021
United States		24,691		23,979
International		6,595		6,775
Total		31,286		30,754

Quarterly Average Revenue per Subscribing Dealer (QARSD)

We define QARSD, which is measured at the end of a fiscal quarter, as the marketplace revenue primarily from subscriptions to our Listings packages and RPM digital advertising suite during that trailing quarter divided by the average number of paying dealers in that marketplace during the quarter. We calculate the average number of paying dealers for a period by adding the number of paying dealers at the end of such period and the end of the prior period and dividing by two. This information is important to us, and we believe it provides useful information to investors, because we believe that our ability to grow QARSD is an indicator of the value proposition of our products and the return on investment, or ROI, that our paying dealers realize from our products. In addition, increases in QARSD, which we believe reflect the value of exposure to our engaged audience in relation to subscription cost, are driven in part by our ability to grow the volume of connections to our users and the quality of those connections, which result in increased opportunity to upsell package levels and cross-sell additional products to our paying dealers.

	As of September 30
Quarterly Average Revenue per Subscribing Dealer (QARSD)	2022		2021
United States	$	5,800	$	5,602
International	$	1,507	$	1,524
Consolidated	$	4,889	$	4,704

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Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest

To provide investors with additional information regarding our financial results, we monitor and have presented within this Quarterly Report, Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest, each of which are non‑GAAP financial measures. These non‑GAAP financial measures are not based on any standardized methodology prescribed by United States generally accepted accounting principles, or GAAP, and are not necessarily comparable to any similarly titled measures presented by other companies.

We define Consolidated Adjusted EBITDA as consolidated net income, adjusted to exclude: depreciation and amortization, impairment of long-lived assets, stock‑based compensation expense, acquisition-related expenses, other (income) expense, net, and provision for income taxes.

We define Adjusted EBITDA as Consolidated Adjusted EBITDA adjusted to exclude Adjusted EBITDA attributable to redeemable noncontrolling interest, adjusted for all prior limitations to Consolidated Adjusted EBITDA as previously described.

We define Adjusted EBITDA attributable to redeemable noncontrolling interest as net (loss) income attributable to redeemable noncontrolling interest, adjusted to exclude: depreciation and amortization, stock‑based compensation expense, other expense (income), net, and provision for income taxes. These exclusions are adjusted for redeemable noncontrolling interest.

We have presented Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest within this Quarterly Report, because they are key measures used by our management and board of directors to understand and evaluate our operating performance, generate future operating plans, and make strategic decisions regarding the allocation of capital. In particular, we believe that the exclusion of certain items in calculating Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest can produce a useful measure for period‑to‑period comparisons of our business.

We use Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest to evaluate our operating performance and trends and make planning decisions. We believe Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest help identify underlying trends in our business that could otherwise be masked by the effect of the expenses that we exclude. Accordingly, we believe that Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest provide useful information to investors and others in understanding and evaluating our operating results, enhancing the overall understanding of our past performance and future prospects, and allowing for greater transparency with respect to key financial metrics used by our management in its financial and operational decision‑making.

Our Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest are not prepared in accordance with GAAP, and should not be considered in isolation of, or as an alternative to, measures prepared in accordance with GAAP. There are a number of limitations related to the use of Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest rather than consolidated net income and net (loss) income attributable to redeemable noncontrolling interest, respectively, which are the most directly comparable GAAP equivalents. Some of these limitations are:

•Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest exclude depreciation and amortization expense and, although these are non‑cash expenses, the assets being depreciated may have to be replaced in the future;

•Consolidated Adjusted EBITDA and Adjusted EBITDA exclude impairment of long-lived assets and, although these are non-cash adjustments, the assets being impaired may have to be replaced in the future;

•Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest exclude stock‑based compensation expense, which will be, for the foreseeable future, a significant recurring expense for our business and an important part of our compensation strategy;

•Consolidated Adjusted EBITDA and Adjusted EBITDA exclude transaction and one-time acquisition-related expenses incurred by us during a reporting period, which may not be reflective of our operational performance during such period, for acquisitions that have been completed as of the filing date of our annual or quarterly report (as applicable) relating to such period;

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•Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest exclude other (income) expense, net which consists primarily of interest income earned on our cash, cash equivalents and investments, foreign exchange gains and losses and interest expense;

•Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest exclude the provision for income taxes;

•Adjusted EBITDA excludes Adjusted EBITDA attributable to redeemable noncontrolling interest, which is calculated as the net (loss) income attributable to redeemable noncontrolling interest, adjusted for all prior limitations to Adjusted EBITDA as described above; and

•other companies, including companies in our industry, may calculate Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest differently, which reduces their usefulness as a comparative measure.

Because of these limitations, we consider, and you should consider, Consolidated Adjusted EBITDA, Adjusted EBITDA and Adjusted EBITDA attributable to redeemable noncontrolling interest together with other operating and financial performance measures presented in accordance with GAAP.

The following table presents a reconciliation of Consolidated Adjusted EBITDA and Adjusted EBITDA to consolidated net income, the most directly comparable measure calculated in accordance with GAAP, for each of the periods presented.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2022			2021(1)			2022			2021(1)
Reconciliation of Consolidated Adjusted EBITDA and Adjusted EBITDA:	(in thousands)						(in thousands)
Consolidated net income	$	18,824		$	29,267		$	55,723		$	76,214
Depreciation and amortization		11,183			10,656			33,602			29,487
Impairment of long-lived assets		—			2,351			—			2,351
Stock-based compensation expense		(6,946	)		15,169			47,353			53,102
Acquisition-related expenses		—			—			—			709
Other (income) expense, net		(200	)		(143	)		75			(426	)
Provision for income taxes		10,032			10,952			23,059			28,556
Consolidated Adjusted EBITDA		32,893			68,252			159,812			189,993
Adjusted EBITDA attributable to redeemable noncontrolling interest		5,948			(3,357	)		(9,053	)		(8,094	)
Adjusted EBITDA	$	38,841		$	64,895		$	150,759		$	181,899

(1)In December 2021, we revised our definition of Consolidated Adjusted EBITDA and Adjusted EBITDA to exclude the impact of the impairment of long-lived assets. This revised definition more accurately reflects management's view of our business and financial performance. Consolidated Adjusted EBITDA and Adjusted EBITDA for the three and nine months ended September 30, 2021 have been restated for comparison purposes.

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The following table presents a reconciliation of Adjusted EBITDA attributable to redeemable noncontrolling interest to net (loss) income attributable to redeemable noncontrolling interest, the most directly comparable measure calculated in accordance with GAAP, for each of the periods presented.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2022			2021			2022			2021
Reconciliation of Adjusted EBITDA attributable to redeemable noncontrolling interest	(in thousands)						(in thousands)
Net (loss) income attributable to redeemable noncontrolling interest	$	(1,576	)	$	68		$	(3,871	)	$	(3,398	)
Depreciation and amortization (1)		2,938			2,806			8,765			7,928
Stock-based compensation expense (1)		(7,767	)		413			2,731			3,603
Other expense (income), net (1)		471			(29	)		1,351			(138	)
Provision for income taxes (1)		(14	)		99			77			99
Adjusted EBITDA attributable to redeemable noncontrolling interest	$	(5,948	)	$	3,357		$	9,053		$	8,094

(1) These exclusions are adjusted to reflect the noncontrolling shareholder’s 38% share of earnings and losses in CarOffer.

Components of Unaudited Condensed Consolidated Income Statements

Revenue

We derive revenue from three sources: (i) marketplace revenue, which consists primarily of dealer subscriptions to our Listings packages and RPM digital advertising suite, advertising revenue from auto manufacturers and other auto‑related brand advertisers, and revenue from partnerships with financing services companies; (ii) wholesale revenue, which consists primarily of transaction fees earned from facilitating the purchase and sale of vehicles between dealers; and (iii) product revenue, which consists primarily of aggregate proceeds received on the sale of vehicles.

Marketplace Revenue

We offer multiple types of marketplace Listings packages to our dealers for our CarGurus U.S. platform (availability varies on our other marketplaces): Restricted Listings, which is free; and various levels of Listings packages, which each require a paid subscription under a monthly, quarterly, semiannual, or annual subscription basis.

Our subscriptions for customers generally auto-renew on a monthly basis and are cancellable by dealers with 30 days advance notice prior to the commencement of the applicable renewal term. Subscription pricing is determined based on a dealer’s inventory size, region, and our assessment of the connections and ROI the platform will provide them and is subject to discounts and/or fee reductions that we may offer from time to time. We also offer all dealers on our platform access to our Dealer Dashboard, which includes a performance summary, Dealer Insights tool, and user review management platform. Only dealers subscribing to a paid Listings package have access to the Pricing Tool, Market Analysis tool and our IMV Scan tool. In addition, dealers that pay for our Listings packages may subscribe to our Area Boost offering, which expands the visibility of a dealer’s inventory in the search results beyond its local market.

In addition to displaying inventory in our marketplace and providing access to the Dealer Dashboard, we offer dealers subscribing to certain of our Listings packages other subscription advertising and customer acquisition products and enhancements marketed under our RPM digital advertising suite. Through RPM, dealers can buy advertising that appears in our marketplace, on other sites on the internet and/or on high-converting social media platforms. Such advertisements can be targeted by the user’s geography, search history, CarGurus website activity and a number of other targeting factors, allowing dealers to increase their visibility with in-market consumers and drive qualified traffic for dealers.

We also offer paid Listings packages for the Autolist website and paid Listings and advertising products for the PistonHeads website.

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Marketplace revenue also consists of non-dealer advertising revenue from auto manufacturers and other auto-related brand advertisers sold on a cost per thousand impressions, or CPM, basis. An impression is an advertisement loaded on a web page. In addition to advertising sold on a CPM basis, we also have advertising sold on a cost per click basis. Auto manufacturers and other brand advertisers can execute advertising campaigns that are targeted across a wide variety of parameters, including demographic groups, behavioral characteristics, specific auto brands, categories such as Certified Pre-Owned, and segments such as hybrid vehicles.

We also offer non-dealer advertising products for the Autolist and PistonHeads websites.

Marketplace revenue also includes revenue from partnerships with certain financing services companies pursuant to which we enable eligible consumers on our CarGurus U.S. website to pre-qualify for financing on cars from dealerships that offer financing through such companies. We primarily generate revenue from these partnerships based on the number of funded loans from consumers who pre-qualify with our lending partners through our site.

Marketplace revenue is offset by sales allowances.

Wholesale Revenue

Wholesale revenue includes transaction fees earned from facilitating the purchase and sale of vehicles via Dealer-to-Dealer transactions, where we collect fees from both the buyer and seller. We also sell vehicles to dealers that we acquire at other marketplaces – in these instances, we collect a transaction fee from the buyer.

Wholesale revenue also includes fees earned from performing inspection and transportation services, where we collect fees from the buyer. Inspection and transportation service revenue is inclusive of Dealer-to-Dealer transactions, other marketplace to dealer transactions, and IMCO transactions.

Wholesale revenue also includes arbitration in which, in the majority of instances, the vehicle is rematched to a new buyer and not acquired by the Company. Arbitration is the process by which we investigate and resolve claims from buying dealers.

Wholesale revenue also includes fees earned from certain guarantees offered to dealers (which include 45-Day Guarantee and OfferGuard products), where we collect fees from the buying dealer or selling dealer, as applicable.

Wholesale revenue is offset by sales allowances and concessions.

Product Revenue

Product revenue includes the aggregate proceeds received on the sale of vehicles. This revenue relates to IMCO transactions, inclusive of transaction fees collected from the buyer, and in limited situations across all transactions, vehicles we resell after acquiring a vehicle via arbitration. Arbitration is the process by which we investigate and resolve claims from buying dealers.

Product revenue is offset by sales allowances and concessions.

Cost of Revenue

Marketplace Cost of Revenue

Marketplace cost of revenue includes expenses related to supporting and hosting digital product offerings. These expenses include personnel and related expenses for our customer support team, including salaries, benefits, incentive compensation, and stock-based compensation, third-party service provider expenses such as advertising, data center and networking expenses, depreciation expense associated with our property and equipment, amortization of developed technology, amortization of capitalized website development and allocated overhead expenses. We allocate overhead expenses, such as rent and facility expenses, information technology expense, and employee benefit expense, to all departments based on headcount. As such, general overhead expenses are reflected in cost of revenue and each operating expense category.

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Wholesale Cost of Revenue

Wholesale cost of revenue includes expenses related to supporting the facilitation of Dealer-to-Dealer transactions, the sale of vehicles to dealers that we acquire at other marketplaces, and net losses on vehicles related to guarantees offered to dealers. These expenses include vehicle transportation and inspection expenses, personnel and related expenses for employees directly involved in the fulfillment and support of transactions, including salaries, benefits, incentive compensation and stock-based compensation, third-party service provider expenses, amortization of developed technology, amortization of capitalized website development and allocated overhead expenses.

Product Cost of Revenue

Product cost of revenue includes expenses related to vehicles sold to dealers through IMCO transactions, inclusive of transportation expenses, and in limited situations across all transactions, in which we acquire the vehicle via arbitration. These expenses include expenses for vehicles in which we control the vehicle and therefore act as a principal in the transaction.

Operating Expenses

Sales and Marketing

Sales and marketing expenses consist primarily of personnel and related expenses for our sales and marketing team, including salaries, benefits, incentive compensation, commissions, and stock-based compensation; expenses associated with consumer marketing, such as traffic acquisition, brand building, and public relations activities; expenses associated with dealer marketing, such as content marketing, customer and promotional events, and industry events; amortization of hosting arrangements; and allocated overhead expenses. A portion of our commissions that are related to obtaining a new contract are capitalized and amortized over the estimated benefit period of customer relationships. All other sales and marketing expenses are expensed as incurred. We expect sales and marketing expenses to fluctuate from quarter to quarter as we respond to changes in the macroeconomic and competitive landscapes affecting our existing dealers, consumer audience and brand awareness, which will impact our results of operations.

Product, Technology, and Development

Product, technology, and development expenses, consist primarily of personnel and related expenses for our research and development team, including salaries, benefits, incentive compensation, stock-based compensation and allocated overhead expense. Other than website development and internal-use software expenses, research and development expenses are expensed as incurred. We expect product, technology, and development expenses to increase as we invest in additional engineering resourcing to develop new solutions and make improvements to our existing platform.

General and Administrative

General and administrative expenses consist primarily of personnel and related expenses for our executive, finance, legal, people & talent, and administrative teams, including salaries, benefits, incentive compensation, and stock-based compensation, in addition to the expenses associated with professional fees for external legal, accounting and other consulting services, insurance premiums, payment processing and billing expenses, and allocated overhead expenses. General and administrative expenses are expensed as incurred. We expect general and administrative expenses to increase as we continue to scale our business.

Depreciation and Amortization

Depreciation and amortization expenses consist of depreciation on property and equipment and amortization of intangible assets and internal-use software.

Other Income (Expense), Net

Other income (expense), net consists primarily of interest income earned on our cash, cash equivalents and investments, foreign exchange gains and losses and interest expense.

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Provision for Income Taxes

We are subject to federal and state income taxes in the United States and taxes in foreign jurisdictions in which we operate. For the three and nine months ended September 30, 2022 and 2021, we have recognized a provision for income taxes as a result of our consolidated taxable income position. We recognize deferred tax assets and liabilities based on temporary differences between the financial reporting and income tax bases of assets and liabilities using statutory rates. We regularly assess the need to record a valuation allowance against net deferred tax assets if, based upon the available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized. As of September 30, 2022 and December 31, 2021, our valuation allowance against our net deferred tax assets was immaterial.

Results of Operations

For the three and nine months ended September 30, 2022 and 2021, our Unaudited Condensed Consolidated Income Statements are as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022			2021
	(dollars in thousands)					(dollars in thousands)
Revenue:
Marketplace	$	165,309		$	159,925	$	492,524		$	476,183
Wholesale		47,045			45,215		213,976			112,532
Product		214,100			17,775		661,791			23,316
Total revenue		426,454			222,915		1,368,291			612,031
Cost of revenue
Marketplace		14,956			11,687		40,422			33,986
Wholesale		41,789			28,992		146,489			75,344
Product		218,924			19,354		660,869			25,078
Total cost of revenue		275,669			60,033		847,780			134,408
Gross profit		150,785			162,882		520,511			477,623
Operating expenses:
Sales and marketing		83,319			66,626		266,505			200,935
Product, technology, and development		30,208			26,539		92,215			79,333
General and administrative		4,760			20,414		71,395			67,095
Depreciation and amortization		3,842			9,227		11,539			25,916
Total operating expenses		122,129			122,806		441,654			373,279
Income from operations		28,656			40,076		78,857			104,344
Other income (expense), net		200			143		(75	)		426
Income before income taxes		28,856			40,219		78,782			104,770
Provision for income taxes		10,032			10,952		23,059			28,556
Consolidated net income		18,824			29,267		55,723			76,214
Net (loss) income attributable to redeemable noncontrolling interest		(1,576	)		68		(3,871	)		(3,398	)
Net income attributable to CarGurus, Inc.	$	20,400		$	29,199	$	59,594		$	79,612

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For the three and nine months ended September 30, 2022 and 2021, our Unaudited Condensed Consolidated Income Statements as a percentage of revenue are as follows (amounts in tables below may not sum due to rounding):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2022			2021			2022			2021
Revenue:
Marketplace		39	%		72	%		36	%		78	%
Wholesale		11			20			16			18
Product		50			8			48			4
Total revenue		100			100			100			100
Cost of Revenue
Marketplace		4			5			3			6
Wholesale		10			13			11			12
Product		51			9			48			4
Total cost of revenue		65			27			62			22
Gross profit		35			73			38			78
Operating expenses:
Sales and marketing		20			30			19			33
Product, technology, and development		7			12			7			13
General and administrative		1			9			5			11
Depreciation and amortization		1			4			1			4
Total operating expenses		29			55			32			61
Income from operations		7			18			6			17
Other income (expense), net		0			0			(0	)		0
Income before income taxes		7			18			6			17
Provision for income taxes		2			5			2			5
Consolidated net income		4			13			4			12
Net (loss) income attributable to redeemable noncontrolling interest		(0	)		0			(0	)		(1	)
Net income attributable to CarGurus, Inc.		5	%		13	%		4	%		13	%

For the three months ended September 30, 2022 and 2021

Revenue

Revenue by Source

	Three Months Ended September 30,						Change
	2022			2021			Amount		%
	(dollars in thousands)
Revenue
Marketplace	$	165,309		$	159,925		$	5,384		3	%
Wholesale		47,045			45,215			1,830		4
Product		214,100			17,775			196,325		1,105
Total	$	426,454		$	222,915		$	203,539		91	%
Percentage of total revenue:
Marketplace		39	%		72	%
Wholesale		11			20
Product		50			8
Total		100	%		100	%

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Overall revenue increased $203.5 million, or 91%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021.

Marketplace revenue increased $5.4 million, or 3%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021 and represented 39% of total revenue for the three months ended September 30, 2022 and 72% of total revenue for the three months ended September 30, 2021. The increase in marketplace revenue was due in part to a 4% growth in our QARSD for paying dealers to $4,889 at September 30, 2022 from $4,704 at September 30, 2021. The increase in QARSD was due primarily to signing on new dealers with higher average monthly recurring revenue and revenue expansion through product upgrades for existing dealers. The increase in marketplace revenue was offset in part by a decrease in advertising revenue.

Wholesale revenue increased $1.8 million, or 4%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021 and represented 11% of total revenue for the three months ended September 30, 2022 and 20% of total revenue for the three months ended September 30, 2021. The increase was primarily due to increases in transportation fees and guarantee revenue, offset in part by a decrease in sale of vehicles acquired at other marketplaces and a decrease in Dealer-to-Dealer transaction revenue.

Product revenue increased by $196.3 million, or 1,105%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021 and represented 50% of total revenue for the three months ended September 30, 2022 and 8% of total revenue for the three months ended September 30, 2021. The increase was primarily due to an increase in IMCO transactions as the offering expanded to more of the United States, which resulted in a $174.2 million increase in proceeds and buy fees received through IMCO transactions. The increase was also due in part to a $22.9 million increase in proceeds received from the sale of vehicles acquired via arbitration.

Cost of Revenue

	Three Months Ended September 30,						Change
	2022			2021			Amount		%
	(dollars in thousands)
Cost of Revenue:
Marketplace	$	14,956		$	11,687		$	3,269		28	%
Wholesale		41,789			28,992			12,797		44
Product		218,924			19,354			199,570		1,031
Total	$	275,669		$	60,033		$	215,636		359	%
Percentage of total revenue:
Marketplace		4	%		5	%
Wholesale		10			13
Product		51			9
Total		65	%		27	%

Overall cost of revenue increased $215.6 million, or 359%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021.

Marketplace cost of revenue increased $3.3 million, or 28%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021 and represented 4% of total revenue for the three months ended September 30, 2022 and 5% of total revenue for the three months ended September 30, 2021. The increase was primarily due to a $1.7 million increase in fees related to provisioning advertising campaigns on our websites and a $1.2 million increase in data and hosting costs.

Wholesale cost of revenue increased $12.8 million, or 44%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021 and represented 10% of total revenue for the three months ended September 30, 2022 and 13% of total revenue for the three months ended September 30, 2021. The increase was primarily due to an increase in amortization of developed technology and capitalized website development, transportation expenses and guarantee expenses.

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Product cost of revenue increased $199.6 million, or 1,031%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021 and represented 51% of the total revenue for the three months ended September 30, 2022 and 9% of total revenue for the three months ended September 30, 2021. The increase was primarily due to an increase in IMCO transactions as the offering expanded to more of the United States, which resulted in a $170.2 million increase in expenses related to IMCO transactions. The increase was also due in part to a $29.4 million increase in expenses related to vehicles acquired via arbitration.

Operating Expenses

Sales and Marketing Expenses

	Three Months Ended September 30,						Change
	2022			2021			Amount		%
	(dollars in thousands)
Sales and marketing	$	83,319		$	66,626		$	16,693		25	%
Percentage of total revenue		20	%		30	%

Sales and marketing expenses increased $16.7 million, or 25%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021. The increase was due primarily to a $14.1 million increase in advertising and marketing expenses, primarily related to efforts to increase site traffic as a result of increased dealer inventory compared to the three months ended September 30, 2021, as well as the marketing of IMCO. The increase was also due in part to a $3.6 million increase in salaries and employee-related expense, exclusive of stock-based compensation expense, which decreased $2.4 million. The increase in salaries and employee-related expense was due primarily to a 29% increase in headcount. The decrease in stock-based compensation was due primarily to the revaluation of certain liability-based stock awards. The increase in sales and marketing expenses was also due in part to a $0.5 million increase in consulting expenses.

Product, Technology, and Development Expenses

	Three Months Ended September 30,						Change
	2022			2021			Amount		%
	(dollars in thousands)
Product, technology, and development	$	30,208		$	26,539		$	3,669		14	%
Percentage of total revenue		7	%		12	%

Product, technology, and development expenses increased $3.7 million, or 14%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021. The increase was due primarily to a $5.0 million increase in salaries and employee-related expense exclusive of stock-based compensation expense, which decreased $1.5 million. The increase in salaries and employee related expense was due primarily to a 17% increase in headcount. The decrease in stock-based compensation was due primarily to the revaluation of certain liability-based stock awards. The increase was also due in part to a $2.0 million increase in consulting expenses. The increase in product, technology, and development expenses was offset in part by a $2.6 million decrease resulting from the prior year impairment of website development costs as well as increased capitalized projects.

General and Administrative Expenses

	Three Months Ended September 30,						Change
	2022			2021			Amount			%
	(dollars in thousands)
General and administrative	$	4,760		$	20,414		$	(15,654	)		(77	)%
Percentage of total revenue		1	%		9	%

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General and administrative expenses decreased $15.7 million, or 77%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021. The decrease was due primarily to a $18.3 million decrease in stock-based compensation. The decrease in stock-based compensation was primarily due to the revaluation of certain liability-based stock awards. This decrease was offset in part by a $1.3 million increase to salaries and employee-related expenses, exclusive of stock-based compensation. The increase in salaries and employee-related expenses was primarily due to a 28% increase in headcount. The decrease in general and administrative expenses was additionally offset in part by a $0.4 million increase in consulting expenses.

Depreciation and Amortization Expenses

	Three Months Ended September 30,						Change
	2022			2021			Amount			%
	(dollars in thousands)
Depreciation and amortization	$	3,842		$	9,227		$	(5,385	)		(58	)%
Percentage of total revenue		1	%		4	%

Depreciation and amortization expenses decreased $5.4 million, or 58%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021, due primarily to a reclassification of amortization of acquired developed technology intangible assets to cost of revenue in the beginning of the fourth quarter of fiscal year 2021. We had previously recorded amortization of acquired developed technology as a component of operating expenses but given the underlying nature of the asset, we believe the amortization more closely aligns with cost of revenue. We assessed the materiality of this reclassification on the historical financial statements, individually and in aggregate, and concluded the effect of the reclassification was not material to our Unaudited Condensed Consolidated Financial Statements.

Other Income, Net

	Three Months Ended September 30,						Change
	2022			2021			Amount		%
	(dollars in thousands)
Other income, net	$	200		$	143		$	57		40	%
Percentage of total revenue		0	%		0	%

Total other income, net increased an immaterial amount in the three months ended September 30, 2022 compared to the three months ended September 30, 2021.

Provision for Income Taxes

	Three Months Ended September 30,						Change
	2022			2021			Amount			%
	(dollars in thousands)
Provision for income taxes	$	10,032		$	10,952		$	(920	)		(8	)%
Percentage of total revenue		2	%		5	%

Provision for income taxes decreased $0.9 million, or 8%, in the three months ended September 30, 2022 compared to the three months ended September 30, 2021 due primarily to decreased profitability partially offset by an increase to shortfalls on the taxable compensation of share-based awards and the Section 162(m) excess officer compensation limitation recorded during the three months ended September 30, 2022.

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For the nine months ended September 30, 2022 and 2021

Revenue

Revenue by Source

	Nine Months Ended September 30,						Change
	2022			2021			Amount		%
	(dollars in thousands)
Revenue:
Marketplace	$	492,524		$	476,183		$	16,341		3	%
Wholesale		213,976			112,532			101,444		90
Product		661,791			23,316			638,475		2,738
Total	$	1,368,291		$	612,031		$	756,260		124	%
Percentage of total revenue:
Marketplace		36	%		78	%
Wholesale		16			18
Product		48			4
Total		100	%		100	%

Overall revenue increased $756.3 million, or 124%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021.

Marketplace revenue increased $16.3 million, or 3%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 and represented 36% of total revenue for the nine months ended September 30, 2022 and 78% of total revenue for the nine months ended September 30, 2021. The increase in marketplace revenue was due in part to a 4% growth in our QARSD for paying dealers to $4,889 at September 30, 2022 from $4,704 at September 30, 2021. The increase in QARSD was due primarily to signing on new dealers with higher average monthly recurring revenue and revenue expansion through product upgrades for existing dealers. The increase in marketplace revenue was offset in part by a decrease in advertising revenue.

Wholesale revenue increased $101.4 million, or 90%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 and represented 16% of total revenue for the nine months ended September 30, 2022 and 18% of total revenue for the nine months ended September 30, 2021. The increase was primarily due to increases in Dealer-to-Dealer transaction revenue, transportation fees, inspection fees, and guarantee revenue, offset in part by a decrease in sale of vehicles acquired at other marketplaces.

Product revenue increased by $638.5 million, or 2,738%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 and represented 48% of total revenue for the nine months ended September 30, 2022 and 4% of total revenue for the nine months ended September 30, 2021. The increase was primarily due to an increase in IMCO transactions as the offering expanded to more of the United States, which resulted in a $574.0 million increase in proceeds and buy fees received through IMCO transactions. The increase was also due in part to a $75.1 million increase in proceeds received from the sale of vehicles acquired via arbitration. The increase in product revenue was offset in part by a $10.6 million increase in sales allowance.

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Cost of Revenue

	Nine Months Ended September 30,						Change
	2022			2021			Amount		%
	(dollars in thousands)
Cost of Revenue:
Marketplace	$	40,422		$	33,986		$	6,436		19	%
Wholesale		146,489			75,344			71,145		94
Product		660,869			25,078			635,791		2,535
Total	$	847,780		$	134,408		$	713,372		531	%
Percentage of total revenue:
Marketplace		3	%		6	%
Wholesale		11			12
Product		48			4
Total		62	%		22	%

Overall cost of revenue increased $713.4 million, or 531%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021.

Marketplace cost of revenue increased $6.4 million, or 19%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 and represented 3% of total revenue for the nine months ended September 30, 2022 and 6% of total revenue for the nine months ended September 30, 2021. The increase was primarily due to a $3.0 million increase in fees related to provisioning advertising campaigns on our websites and a $2.1 million increase in data and hosting costs.

Wholesale cost of revenue increased $71.1 million, or 94%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 and represented 11% of total revenue for the nine months ended September 30, 2022 and 12% of total revenue for the nine months ended September 30, 2021. The increase was primarily due to an increase in transportation expenses, amortization of developed technology and capitalized website development, inspection expenses, and guarantee expenses.

Product cost of revenue increased $635.8 million, or 2,535%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 and represented 48% of the total revenue for the nine months ended September 30, 2022 and 4% of total revenue for the nine months ended September 30, 2021. The increase was primarily due to an increase in IMCO transactions as the offering expanded to more of the United States, which resulted in a $543.6 million increase in expenses related to IMCO transactions. The increase was also due in part to a $92.1 million increase in expenses related to vehicles acquired via arbitration.

Operating Expenses

Sales and Marketing Expenses

	Nine Months Ended September 30,						Change
	2022			2021			Amount		%
	(dollars in thousands)
Sales and marketing	$	266,505		$	200,935		$	65,570		33	%
Percentage of total revenue		19	%		33	%

Sales and marketing expenses increased $65.6 million, or 33%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021. The increase was due primarily to a $36.0 million increase in advertising and marketing expenses, primarily related to efforts to increase site traffic as a result of increased dealer inventory compared to the nine months ended September 30, 2021, as well as efforts to expand brand awareness and the marketing of IMCO. The increase was also due in part to a $15.8 million increase in salaries and employee-related expenses, exclusive of commissions expenses, which increased $7.5 million. The increase in salaries and employee-related expenses was due primarily to a 29% increase in headcount. The increase in commissions expenses was due to the increase in headcount and sales growth. The increase in sales and marketing expenses was also due in part to a $1.8 million increase in consulting expenses, a $1.5 million increase in software subscription expenses, a $0.9 million increase in travel expenses, and a $0.9 million increase in insurance and legal expenses.

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Product, Technology, and Development Expenses

	Nine Months Ended September 30,						Change
	2022			2021			Amount		%
	(dollars in thousands)
Product, technology, and development	$	92,215		$	79,333		$	12,882		16	%
Percentage of total revenue		7	%		13	%

Product, technology, and development expenses increased $12.9 million, or 16%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021. The increase was due primarily to a $14.4 million increase in salaries and employee-related expenses. The increase in salaries and employee-related expenses was due primarily to a 17% increase in headcount. The increase was also due in part to a $2.3 million increase in consulting expenses and a $1.1 million increase in software subscription expenses. The increase in product, technology, and development expenses was offset in part by a $6.3 million decrease resulting from increased capitalized projects and the prior year impairment of website development costs.

General and Administrative Expenses

	Nine Months Ended September 30,						Change
	2022			2021			Amount		%
	(dollars in thousands)
General and administrative	$	71,395		$	67,095		$	4,300		6	%
Percentage of total revenue		5	%		11	%

General and administrative expenses increased $4.3 million, or 6%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021. The increase was due primarily to a $4.6 million increase to salaries and employee-related expenses, exclusive of stock-based compensation which decreased $4.2 million. The increase in salaries and employee-related expenses was primarily due to a 28% increase in headcount. The decrease in stock-based compensation was primarily due to the revaluation of certain liability-based stock awards. The increase to general and administrative expenses was also due in part to a $0.8 million increase in software subscription expenses, a $0.8 million increase in indirect tax expenses, and a $0.6 million increase in consulting expenses.

Depreciation and Amortization Expenses

	Nine Months Ended September 30,						Change
	2022			2021			Amount			%
	(dollars in thousands)
Depreciation and amortization	$	11,539		$	25,916		$	(14,377	)		(55	)%
Percentage of total revenue		1	%		4	%

Depreciation and amortization expenses decreased $14.4 million, or 55%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021, due primarily to a reclassification of amortization of acquired developed technology intangible assets to cost of revenue in the beginning of the fourth quarter of fiscal year 2021. We had previously recorded amortization of acquired developed technology as a component of operating expenses but given the underlying nature of the asset, we believe the amortization more closely aligns with cost of revenue. We assessed the materiality of this reclassification on the historical financial statements, individually and in aggregate, and concluded the effect of the reclassification was not material to our Unaudited Condensed Consolidated Financial Statements.

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Other (Expense) Income, Net

	Nine Months Ended September 30,						Change
	2022			2021			Amount			%
	(dollars in thousands)
Other (expense) income, net	$	(75	)	$	426		$	(501	)		(118	)%
Percentage of total revenue		(0	)%		0	%

Total other (expense) income, net decreased $0.5 million, or 118%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021, due primarily to a $2.0 million increase in unrealized loss associated with foreign currency exchange rates, offset in part by a $1.4 million increase in interest income resulting from rising interest rates.

Provision for Income Taxes

	Nine Months Ended September 30,						Change
	2022			2021			Amount			%
	(dollars in thousands)
Provision for income taxes	$	23,059		$	28,556		$	(5,497	)		(19	)%
Percentage of total revenue		2	%		5	%

Provision for income taxes decreased $5.5 million, or 19%, in the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021, due primarily to decreased profitability partially offset by an increase in shortfalls on the taxable compensation of share-based awards and the Section 162(m) disallowed officer's compensation.

Liquidity and Capital Resources

Cash, Cash Equivalents and Investments

As of September 30, 2022, our principal sources of liquidity were cash and cash equivalents of $404.4 million. As of December 31, 2021, our principal sources of liquidity were cash and cash equivalents of $231.9 million and investments in certificates of deposit with terms of greater than 90 days but less than one year of $90.0 million.

Sources and Uses of Cash

During the nine months ended September 30, 2022 and 2021, our cash flows from operating, investing, and financing activities, as reflected in the Unaudited Condensed Consolidated Statements of Cash Flows, are as follows:

	Nine Months Ended September 30,
	2022			2021
Net cash provided by operating activities	$	160,803		$	135,063
Net cash provided by (used in) investing activities		77,557			(63,353	)
Net cash used in financing activities		(57,689	)		(25,056	)
Impact of foreign currency on cash		(1,640	)		(359	)
Net increase in cash, cash equivalents, and restricted cash	$	179,031		$	46,295

Our operations have been financed primarily from operating activities. During the nine months ended September 30, 2022 and 2021, we generated cash from operating activities of $160.8 million and $135.1 million, respectively.

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We believe that our existing sources of liquidity, including access to our revolving credit facility, will be sufficient to fund our operations for at least the next 12 months from the date of the filing of this Quarterly Report. Our future capital requirements will depend on many factors, including: the further impact of the COVID-19 pandemic; our revenue; expenses associated with our sales and marketing activities and the support of our product, technology, and development efforts; expenses associated with our facilities build out under our 1001 Boylston Street lease, other than those which qualify for landlord reimbursement; payments received in advance from a third-party payment processor; and our investments in international markets. Cash from operations could also be affected by various risks and uncertainties, including, but not limited to, macroeconomic effects and other risks detailed in the “Risk Factors” section of this Quarterly Report.

On September 26, 2022, we entered into a Credit Agreement with PNC Bank, National Association, as administrative agent and collateral agent and an L/C Issuer (as defined in the Credit Agreement), and the other lenders, L/C Issuers and parties thereto from time to time, or the Credit Agreement. The Credit Agreement consists of a revolving credit facility, or the 2022 Revolver, which allows us to borrow up to $400.0 million, $50.0 million of which may be comprised of a letter of credit sub-facility. Proceeds of any borrowings may be used for general corporate purposes. The 2022 Revolver is scheduled to mature on September 26, 2027. As of September 30, 2022, there were no borrowings and no letters of credit outstanding under the 2022 Revolver.

To the extent that existing cash, cash equivalents, and investments and cash from operations are insufficient to fund our future activities, we may need to raise additional funds through a public or private equity or debt financing. Additional funds may not be available on terms favorable to us, or at all.

Operating Activities

Cash provided by operating activities of $160.8 million during the nine months ended September 30, 2022 was due primarily to consolidated net income of $55.7 million, adjusted for $41.6 million of stock-based compensation expense for equity classified awards, $33.6 million of depreciation and amortization, $8.3 million of amortization of deferred contract costs, and $1.1 million of provision for doubtful accounts, partially offset by $30.7 million of deferred taxes. Cash provided by operating activities was also attributable to a $63.5 million decrease in accounts receivable, net, a $18.9 million increase in accrued expenses, accrued income taxes, and other liabilities, and a $1.3 million increase in accounts payable. The increases in cash flow from operations were partially offset by a $14.7 million increase in prepaid expenses, prepaid income taxes, and other assets, a $9.1 million increase in deferred contract costs, a $8.5 million increase in inventory, and a $0.9 million decrease in lease obligations.

Cash provided by operating activities of $135.1 million during the nine months ended September 30, 2021 was due primarily to consolidated net income of $76.2 million, adjusted for $42.5 million of stock-based compensation expense for equity classified awards, $29.5 million of depreciation and amortization, $9.6 million of amortization of deferred contract costs, $5.8 million of deferred taxes, $2.4 million of impairment of website development costs, and $0.7 million of provision for doubtful accounts. Cash provided by operating activities was also attributable to a $24.5 million increase in accounts payable, a $4.8 million increase in accrued expenses, accrued income taxes, and other liabilities, a $3.4 million increase in deferred revenue, and a $0.8 million increase in lease obligations. The increases in cash flow from operations were partially offset by a $51.6 million increase in accounts receivable, a $6.5 million increase in deferred contract costs, a $4.1 million increase in inventory, and a $3.0 million increase in prepaid expenses, prepaid income taxes, and other assets.

Investing Activities

Cash provided by investing activities of $77.6 million during the nine months ended September 30, 2022 was due to $90.0 million in maturities of certificates of deposit, offset by $8.3 million of capitalization of website development costs and $4.2 million of purchases of property and equipment.

Cash used in investing activities of $63.4 million during the nine months ended September 30, 2021 was due to $64.3 million of cash paid for acquisitions, net of cash acquired, $4.9 million of purchases of property and equipment and $4.1 million related to the capitalization of website development costs, offset in part by $100.0 million of maturities of certificates of deposit, net of investments in certificates of deposit of $90.0 million.

Financing Activities

Cash used in financing activities of $57.7 million during the nine months ended September 30, 2022 was due primarily to $21.8 million of payments made to a third-party payment processor, $19.8 million of payment of tax distributions to redeemable noncontrolling interest holders, $14.2 million of payment of withholding taxes on net share settlements of equity awards, and $2.6 million of payment of deferred financing costs, offset in part by $0.7 million of proceeds from the issuance of common stock related to the exercise of vested stock options.

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Cash used in financing activities of $25.1 million during the nine months ended September 30, 2021 was due primarily to our repayment of the line of credit acquired in the CarOffer acquisition of $14.3 million and our payment of withholding taxes on net share settlements of equity awards of $11.3 million, partially offset by $0.5 million related to the proceeds from the issuance of common stock related to the exercise of vested stock options.

Contractual Obligations and Known Future Cash Requirements

As of September 30, 2022, there were no material changes in our contractual obligations and commitments from those disclosed in our Annual Report, other than those appearing in the notes to the Unaudited Condensed Consolidated Financial Statements appearing elsewhere in this Quarterly Report, which are hereby incorporated by reference.

Seasonality

Across the retail automotive industry, consumer purchases are typically greatest in the first three quarters of each year, due in part to the introduction of new vehicle models from manufacturers and the seasonal nature of consumer spending. Additionally, the volume of vehicles sold through our CarOffer platform generally fluctuates from quarter to quarter. This seasonality is caused by several factors, including holidays, weather, the timing of used vehicles available for sale from selling customers, the seasonality of the retail market for used vehicles and/or inventory challenges in the automotive industry, which affect the demand side of the wholesale industry. Macroeconomic conditions, such as the global semiconductor chip shortage, can also effect the volume of wholesale vehicle sales. As a result, revenue and cost of revenue related to volume will fluctuate accordingly on a quarterly basis. Typical seasonality trends may not be observed in periods where other external factors more significantly impact the wholesale industry.

Off-Balance Sheet Arrangements

As of September 30, 2022 and December 31, 2021, we did not have any off-balance sheet arrangements, or material leases that are less than twelve months in duration, other than leases signed but not commenced, that have or are reasonably likely to have a current or future material effect on our financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures, or capital resources.

Critical Accounting Estimates

The preparation of the Unaudited Condensed Consolidated Financial Statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting period.

Although we regularly assess these estimates, actual results could differ materially from these estimates. We base our estimates on historical experience and various other assumptions that we believe to be reasonable under the circumstances. Actual results may differ from our estimates if these results differ from historical experience, or other assumptions do not turn out to be substantially accurate, even if such assumptions are reasonable when made. Changes in estimates are recognized in the period in which they become known.

Critical estimates relied upon in preparing the Unaudited Condensed Consolidated Financial Statements include the determination of sales allowance and variable consideration in our revenue recognition, allowance for doubtful accounts, the impairment of long-lived assets, the capitalization of product, technology, and development costs for website development, internal-use software and hosting arrangements, the valuation of acquired assets and liabilities, the valuation and recoverability of intangible assets and goodwill, the valuation of redeemable noncontrolling interest, the recoverability of our net deferred tax assets and related valuation allowance, the valuation of inventory, and the valuation of equity and liability-classified compensation awards under Accounting Standards Codification, or ASC, Topic 718, Stock-based Compensation, or ASC 718. Accordingly, we consider these to be our critical accounting estimates and believe that of our significant accounting policies, these policies involve the greatest degree of judgment and complexity.

Revenue Recognition – Sales Allowance and Variable Consideration

Our accounting policy relating to revenue recognition reflects the impact of the adoption of ASC 606, Revenue from Contracts with Customers, or ASC 606, which is discussed further in the Notes to the Consolidated Financial Statements. As prescribed by ASC 606, we recognize revenue based on a five-step approach. We derive revenue from three sources: (i) marketplace revenue, which consists primarily of dealer subscriptions to our Listings packages and RPM digital advertising suite, advertising revenue from auto manufacturers and other auto-related brand advertisers, and revenue from partnerships with financing services companies; (ii) wholesale revenue, which consists primarily of transaction fees earned from facilitating the purchase and sale of vehicles between dealers; and (iii)

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product revenue, which consists primarily of aggregate proceeds received on the sale of vehicles. Critical accounting estimates associated with each of the three revenue sources are outlined below.

Total consideration for marketplace revenue is stated within the contracts. There are no contractual cash refund rights, but credits may be issued to a customer at our sole discretion. At the portfolio level, there is also variable consideration that needs to be included in the transaction price. Variable consideration consists of sales allowances, usage-based fees, and concessions that change the transaction price of the unsatisfied or partially unsatisfied performance obligation. We recognize that there are times when there is a customer satisfaction issue or other circumstance that will lead to a credit. Due to the known possibility of future credits, a monthly sales allowance review is performed to defer revenue at a portfolio level for such future adjustments in the period of occurrence. We establish the sales allowances at the time of revenue recognition based on our history of adjustments and credits provided to our customers. In assessing the adequacy of the sales allowance, we evaluate our history of adjustments and credits made through the date of the issuance of the financial statements. Estimated sales adjustments, credits and losses may vary from actual results which could lead to material adjustments to the financial statements. Sales allowances are recognized as a reduction to revenue in the consolidated income statements.

Advertising contracts state the transaction price within the agreement with payment generally being based on the number of clicks or impressions delivered on our websites. Total consideration is based on output and deemed variable consideration constrained by an agreed upon delivery schedule. Additionally, there are generally no contractual cash refund rights. Certain contracts do contain the right for credits in situations in which impressions are not displayed in compliance with contractual specifications. At an individual contract level, we may give a credit for a customer satisfaction issue or other circumstance. Due to the known possibility of future credits, a monthly review is performed to defer revenue at an individual contract level for such future adjustments in the period of incurrence. Although these credits have not been material and have not changed significantly over the historical period, estimated sales adjustments, credits and losses may vary from actual results which could lead to material adjustments to the financial statements.

Other marketplace revenue includes revenue from contracts for which the performance obligation is a series of distinct services with the same level of effort daily. For these contracts, we estimate the value of the variable consideration in determining the transaction price and allocate it to the performance obligation. Revenue is estimated and recognized on a ratable basis over the contractual term. We reassess the estimate of variable consideration at each reporting period.

Within wholesale and product transactions, there are no contractual cash refund rights, but credits may be issued to a customer at our sole discretion. At the portfolio level, there is also variable consideration that needs to be included in the transaction price. Variable consideration consists of sales allowances and concessions that change the transaction price of the unsatisfied or partially unsatisfied performance obligation. We recognize that there are times when there is a customer satisfaction issue or other circumstance that will lead to a credit or arbitration. Due to the known possibility of future credits, a monthly sales allowance review is performed to defer revenue at a portfolio level for such future adjustments in the period of incurrence. We establish sales allowances at the time of revenue recognition based on our history of adjustments and credits provided to our customers. In assessing the adequacy of the sales allowance, we evaluate our history of adjustments and credits made through the date of the issuance of the financial statements. Estimated sales adjustments, credits and losses may vary from actual results which could lead to material adjustments to the financial statements. Sales allowances are recognized as a reduction to revenue in the consolidated income statements.

Accounts Receivable – Allowance for Doubtful Accounts

The allowance for doubtful accounts is our best estimate of the amount of probable credit losses in our existing accounts receivable and is based upon historical loss trends, the number of days that billings are past due, an evaluation of the potential risk of loss associated with specific accounts, current conditions, and reasonable and supportable forecasts of economic conditions. We also consider current economic trends when evaluating the adequacy of the allowance for doubtful accounts. If circumstances relating to specific customers change, or unanticipated changes occur in the general business environment, particularly as it affects auto dealers, our estimates of the recoverability of receivables could be further adjusted.

Long-Lived Assets – Impairment

We evaluate the recoverability of long-lived assets, such as property and equipment and intangible assets, for impairment at least annually and whenever events or changes in circumstances indicate that the carrying value of an asset may not be recoverable. During this review, we re‑evaluate the significant assumptions used in determining the original cost and estimated lives of long-lived assets. Although the assumptions may vary from asset to asset, they generally include operating results, changes in the use of the asset, cash flows, and other indicators of value. Management then determines whether the remaining useful life continues to be appropriate, or whether there has been an impairment of long‑lived assets based primarily upon whether expected future undiscounted cash flows are sufficient to support the assets’ recovery.

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Website Development and Internal-Use Software Costs – Capitalization

Capitalized website development and capitalized internal-use software costs are amortized on a straight‑line basis over their estimated useful life of three years beginning with the time when the product is ready for intended use.

We evaluate the useful lives of these assets when each asset is ready for its intended use, and at least annually thereafter to ensure three years remains appropriate. We also test for impairment at least annually and whenever events or changes in circumstances occur that could impact the recoverability of these assets. Impairment is evaluated as discussed in the “Long-Lived Assets - Impairment” section above.

Hosting Arrangements – Capitalization

Hosting arrangement capitalized implementation costs are amortized on a straight‑line basis over an estimated useful life of the term of the hosting arrangement, taking into consideration several other factors such as, but not limited to, options to extend the hosting arrangement or options to terminate the hosting arrangement, beginning with the time when the software is ready for intended use.

We evaluate the useful lives of these assets when each asset is ready for its intended use, and at least annually thereafter to ensure the selected useful life remains appropriate. We also test for impairment at least annually and whenever events or changes in circumstances occur that could impact the recoverability of these assets. Impairment is evaluated as discussed in the “Long-Lived Assets - Impairment” section above.

Business Combinations

Valuation of Acquired Assets and Liabilities

We measure all consideration transferred in a business combination at its acquisition-date fair value. Consideration transferred is determined by the acquisition-date fair value of assets transferred, liabilities assumed, including contingent consideration obligations, as applicable. We measure goodwill as the excess of the consideration transferred over the net of the acquisition-date amounts of assets acquired less liabilities assumed.

We make significant assumptions and estimates in determining the fair value of the acquired assets and liabilities as of the acquisition date, especially the valuation of intangible assets.

Intangible Assets – Valuation and Recoverability

Intangible assets are recognized at their estimated fair value at the date of acquisition. Fair value is determined based on inputs and assumptions such as discount rates, rates of return on assets, and long-term sales growth rates.

We amortize intangible assets over their estimated useful lives on a straight-line basis. Useful lives are established based on analysis of all pertinent factors such as: the expected use of the asset, expected useful lives of related assets, provisions that may limit the useful life, historical experience with similar arrangements, effects of economic factors, demand, competition, obsolescence, and maintenance required to maintain the future cash flows.

We evaluate the useful lives of these assets as of the acquisition date and at least annually thereafter to ensure the selected useful life remains appropriate.

We monitor our long-lived assets for impairment indicators on an ongoing basis in accordance with GAAP, and test for impairment at least annually and whenever events or changes in circumstances occur that could impact the recoverability of these assets. Impairment is evaluated as discussed in the “Long-Lived Assets - Impairment” section above.

Goodwill – Valuation and Recoverability

Goodwill is recognized when consideration paid in a purchase acquisition exceeds the fair value of the net assets acquired. Goodwill is not amortized, but rather is tested for impairment annually or more frequently if facts and circumstances warrant a review. Conditions that could trigger a more frequent impairment assessment include, but are not limited to, a significant adverse change in certain agreements, significant underperformance relative to historical or projected future operating results, an economic downturn affecting automotive marketplaces, increased competition, a significant reduction in our stock price for a sustained period or a reduction of our market capitalization relative to net book value.

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We evaluate impairment annually on October 1 by comparing the estimated fair value of each reporting unit to its carrying value. We estimate fair value using a market approach, based on market multiples derived from public companies that we identify as peers. In 2021, we calculated the fair value of our reporting units using the market approach, which required us to estimate the forecasted revenue and estimate revenue market multiples using publicly available information for each of our reporting units. Developing these assumptions required the use of significant judgment and estimates. Actual results may differ from these forecasts.

Redeemable Noncontrolling Interest – Valuation

As of January 14, 2021, the closing date of our acquisition of a 51% interest in CarOffer, or the Closing Date, redeemable noncontrolling interest was recognized at fair value computed using the Least Square Monte Carlo Simulation approach. Significant inputs to the model included market price of risk, volatility, correlation and risk-free rate.

Income Taxes – Recoverability of Deferred Tax Assets and Related Valuation Allowance

In accordance with ASC 740, Income Taxes, or ASC 740, we account for income taxes under the asset and liability method. Under this method, deferred tax assets and liabilities are recognized based on temporary differences between the financial reporting and income tax bases of assets and liabilities. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. A valuation allowance against net deferred tax assets is recorded when, based upon the available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized. In performing this analysis, we consider future taxable income and ongoing prudent and feasible tax planning strategies to assess realizability. Actual results may differ from these forecasts. We continually evaluate our deferred tax assets to determine if an adjustment to the valuation allowance is required.

Judgment is required in determining our worldwide income tax provision. In the ordinary course of a global business, there are many transactions and calculations where the ultimate outcome is uncertain. Although we believe our estimates are reasonable, there is no assurance that the final outcome of these matters will not be different from that which is reflected in our historical income tax provisions and accruals. Such differences could have a material impact on our income tax provision and net income in the period in which such determination is made.

Significant judgment is involved regarding the application of income tax laws and regulations to estimate the effective income tax rates. As a result, our actual annual effective income tax rates and related income tax liabilities may differ materially from our interim estimated effective tax rates and related income tax liabilities. Any resulting differences are recorded in the period they become known.

We account for uncertain tax positions by prescribing a more‑likely‑than‑not threshold for financial statement recognition and measurement of a tax position taken in a tax return. Interest and penalties, if applicable, related to uncertain tax positions are recognized as a component of income tax expense.

Inventory – Valuation

Inventory is valued at the lower of cost or net realizable value. In recording inventory at the lower of cost or net realizable value, we estimate potential future losses on inventory on hand based on historical losses and market trends.

Stock-Based Compensation – Valuation

For RSUs granted subject to market-based vesting conditions, the fair value is determined on the date of grant using the Monte Carlo simulation lattice model. The determination of the fair value using this model is affected by our stock price performance relative to the companies listed on the S&P 500, and a number of assumptions including volatility, correlation coefficient, risk-free interest rate and dividend yield. RSUs previously granted subject to market-based vesting conditions vested upon achievement of specified levels of market conditions. No such RSUs are currently outstanding.

For stock options, the fair value is determined on the date of grant using the Black‑Scholes option‑pricing model. The determination of the fair value is affected by our stock price and a number of assumptions including volatility, expected term, risk-free interest rate and dividend yield. Stock options granted generally have a term of ten years from the date of grant and generally vest over a four-year requisite service period.

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For liability-classified awards, the fair value is determined on the date of issuance using a Least Square Monte Carlo simulation model. The determination of the fair value is affected by CarOffer’s equity value, EBITDA, Excess Parent Capital (as defined in the CarOffer Operating Agreement (as defined in Note 4 to the financial statements contained within the Annual Report)), and revenue forecasts that drive the exercise price of future call/put rights, as well as a number of assumptions including market price of risk, volatility, correlation, and risk-free interest rate. Liability-classified awards are remeasured to fair value each period until settlement.

Prior to the three months ended June 30, 2022, a Least Square Monte Carlo simulation model was used as there were multiple potential exit valuations tied to the CarOffer purchase agreement. The Monte Carlo simulation model is now used instead of the previous Least Square Monte Carlo simulation model as a result of obtaining gross profit actuals through the trailing twelve-month ended June 30, 2022 measuring period.

As disclosed in our Current Report on Form 8-K filed with the SEC on September 29, 2022, we determined not to exercise our call right to acquire up to an additional 25% of the fully diluted capitalization of CarOffer. The valuation of these liability awards continues to be valued using a Monte Carlo simulation and is now derived from the Company’s 2024 call right and CarOffer’s 2024 put right.

Recently Issued Accounting Pronouncements

Information concerning recently issued accounting pronouncements may be found in Note 2 to our Unaudited Condensed Consolidated Financial Statements appearing elsewhere in this Quarterly Report.

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Item 3. Quantitative and Qualitative Disclosures about Market Risk

Market risk represents the risk of loss that may affect our financial position due to adverse changes in financial market prices and rates. We are exposed to market risks as described below.

Interest Rate Risk

As of September 30, 2022, our exposure to market risk associated with changes in interest rates relates primarily to our 2022 Revolver, which allows us to borrow up to $400.0 million. Borrowings under the 2022 Revolver will bear interest at a rate based on a number of different benchmark rates and applicable spreads, as determined by the Consolidated Secured Net Leverage Ratio. Since we have not yet drawn upon our 2022 Revolver and we do not have any outstanding borrowings as of September 30, 2022, a hypothetical 100 basis point increase or decrease in variable interest rates would not have a material impact on interest expense. As of December 31, 2021, we did not have any long-term borrowings.

As of September 30, 2022, we had cash and cash equivalents of $404.4 million, which consisted of bank deposits and money market funds. As of December 31, 2021, we had cash, cash equivalents, and investments of $321.9 million, which consisted of bank deposits, money market funds and certificates of deposit with maturity dates of six to nine months.

Such interest-earning instruments carry a degree of interest rate risk. Given recent changes in the interest rate environment and in an effort to ensure liquidity, we expect variable returns from our investments for the foreseeable future. To date, fluctuations in interest income have not been material to the operations of the business.

We do not enter into investments for trading or speculative purposes and have not used any derivative financial instruments to manage our interest rate risk exposure.

Inflation Risk

We do not believe that inflation has had a material effect on our business, financial condition, or results of operations to date. However, if our costs were to become subject to significant inflationary pressures, we may not be able to fully offset such higher costs through price increases. Our inability or failure to do so could harm our business, operating results, and financial condition.

Foreign Currency Exchange Risk

Historically, because our operations and sales have been primarily in the United States, we have not faced any significant foreign currency risk. As of September 30, 2022 and December 31, 2021, we had foreign currency exposures in the British pound, the Euro and the Canadian dollar, although such exposure is not significant.

Our foreign subsidiaries have intercompany transactions that are eliminated upon consolidation, and these transactions expose us to foreign currency exchange rate fluctuations. Exchange rate fluctuations on short‑term intercompany transactions are recognized within other income (expense), net in our Unaudited Condensed Consolidated Income Statements. Exchange rate fluctuations on long-term intercompany transactions are recognized within accumulated other comprehensive (loss) income in our Unaudited Condensed Consolidated Balance Sheets.

As we seek to grow our international operations in Canada and the United Kingdom, our risks associated with fluctuation in currency rates may become greater, and we will continue to reassess our approach to managing these risks.

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Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our principal executive officer and principal financial officer, has evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended, or the Exchange Act), as of the end of the period covered by this Quarterly Report.

The term “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the Securities and Exchange Commission’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and our management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as of the end of the period covered by this Quarterly Report, our principal executive officer and principal financial officer have concluded that, as of such date, our disclosure controls and procedures were not effective due to the material weakness described below.

A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement of a company’s annual or interim financial statements will not be prevented or detected on a timely basis. We have identified deficiencies in controls at our CarOffer subsidiary, in which we acquired a 51% interest during fiscal year 2021. These deficiencies include controls over (i) certain information technology, or IT, general controls for systems that are relevant to the preparation of our financial statements and (ii) our financial statement close process that in the aggregate constitute a material weakness.

Specifically, we did not maintain:

•User access review controls that adequately restrict privileged and end-user access to certain financial applications, programs, and data to appropriate company personnel, including consideration to segregation of incompatible duties;

•Change management review controls for certain financial applications to ensure that IT program and data changes affecting financial IT applications and underlying accounting records are identified, tested, authorized and implemented appropriately; and

•Effective controls over the financial statement close process, specifically related to the review of CarOffer journal entries and reconciliations over certain accounts.

This material weakness did not result in a material misstatement to our financial statements. However, the material weakness could impact the effectiveness of segregation of duties controls, as well as the effectiveness of IT-dependent controls that could result in misstatements impacting financial statement accounts and disclosures that would result in a material misstatement of the annual or interim consolidated financial statements that would not be prevented or detected.

Remediation Plan

We and our board of directors are committed to maintaining a strong internal control environment. Management, with the oversight of the audit committee of our board of directors, has evaluated the material weakness described above and designed a remediation plan to address the material weakness and enhance our internal control environment. The remediation plan is being implemented and includes robust performance of user access and change management reviews, as well as an effective review of journal entries and accounts reconciliations. Management is committed to successfully implementing the remediation plan as promptly as possible. The material weakness will not be considered remediated until our management implements effective controls that operate for a sufficient period of time and our management has concluded through testing that these controls are effective. The elements of our remediation plan can only be accomplished over time, and we can offer no assurance that these initiatives will ultimately have the intended effects.

Changes in Internal Control Over Financial Reporting

There was no change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that occurred during the period covered by this Quarterly Report that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II—OTHER INFORMATION

Item 1. Legal Proceedings.

From time to time we may become involved in legal proceedings or be subject to claims arising in the ordinary course of our business. We are not presently subject to any pending or threatened litigation that we believe, if determined adversely to us, would individually, or taken together, reasonably be expected to have a material adverse effect on our business or financial results.

Item 1A. Risk Factors.

Investing in our Class A common stock involves a high degree of risk. You should carefully consider the risks and uncertainties described below, together with all of the other information contained in this Quarterly Report, including “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our unaudited condensed consolidated financial statements and related notes, before evaluating our business. Our business, financial condition, operating results, cash flow, and prospects could be materially and adversely affected by any of these risks or uncertainties. In that event, the trading price of our Class A common stock could decline. See “Special Note Regarding Forward-Looking Statements.”

Risks Related to Our Business and Industry

Our business has been, and we expect it to continue to be, adversely affected by the COVID-19 pandemic and other macroeconomic issues.

The COVID-19 pandemic, including the impact of variants, has caused an international health crisis and resulted, and may continue to result, in significant disruptions to the global economy as well as businesses and capital markets around the world. The continued impact of COVID-19 cannot be predicted at this time, and could depend on a number of factors, including the availability of vaccines in different parts of the world, vaccination rates among the population, and the effectiveness of vaccines against any variants. Our operations have been and may continue to be materially adversely affected by a range of factors related to the COVID-19 pandemic, including periodic changes in restrictions that vary from region to region in which we operate and may require rapid response to new or reinstated orders. Many of these orders resulted in, and may in the future result in, restrictions on the ability of consumers to buy and sell automobiles by restricting operations at dealerships and/or by closing or reducing the services provided by certain service providers upon which dealerships rely. In addition, these restrictions and continued concern about the spread of the disease have impacted car shopping by consumers and disrupted the operations of car dealerships, which has adversely affected and may continue to adversely affect the market for automobile purchases.

The automotive industry is also facing, and may continue to face, inventory supply problems, including for reasons attributable to the COVID-19 pandemic and other macroeconomic issues, such as the global semiconductor chip shortage, the war in Ukraine and Russian sanctions. This decline in vehicle inventory has led to an increase in bids per vehicle at auction and corresponding increases to wholesale auction prices. As the price of replenishing inventory through wholesale auctions has increased, dealers have increased, and may continue to increase, the prices they charge consumers. A high volume of price increases on vehicle sales at a rapid rate could impact our proprietary IMV and distribution of Deal Ratings. In addition, if our paying dealers continue to operate at reduced inventory levels or with increased costs, they may reduce or be unwilling to increase their advertising spend with us and/or may terminate their subscriptions prior to the commencement of the applicable renewal term. Our ability to add new paying dealers or increase our fees with dealers may be impeded if dealers perceive they have less of a need for our products and services because of their limited inventory. Inventory challenges in the automotive industry have adversely impacted, and could continue to adversely impact, the amount of inventory on our websites and have contributed to higher prices and reduced lease options for new vehicles, which in turn has reduced, and may continue to reduce, consumer demand, which could contribute to a decline in the number of consumer visits to our websites and/or the number of connections between consumers and dealers through our marketplaces. Our business also relies on the ability of consumers to borrow funds to acquire automobiles and banks and other financing companies may limit or restrict lending to consumers as a result of the economic impacts of the COVID-19 pandemic and other macroeconomic issues, such as rising interest rates, which may also materially and adversely affect our business. These inventory-related issues and other macroeconomic issues may materially and adversely impact our business, financial condition and results of operations.

As a result of the COVID-19 pandemic, a number of our dealer customers temporarily closed and/or operated on a reduced capacity, and many dealerships faced, and continue to face, significant financial challenges. Such closures and circumstances led, and may in the future lead, some paying dealers to cancel their subscriptions and/or reduce their spending with us, which has had and may continue to have a material adverse effect on our revenues and on our business. Additionally, we reduced our spending on brand advertising and traffic acquisition at the beginning of the COVID-19 pandemic in response to increasing cancelations and reduced consumer demand, which contributed to a year-over-year decline in the number of consumers using our platform for each of the years ended December 31, 2021 and 2020, which in turn may continue to materially and adversely affect our business. While we have since restored a portion of that historical consumer spend, there can be no assurances that we will fully restore prior spending levels, as we may determine to decrease our consumer spend due to the possible impact of macroeconomic issues or elect to redirect our investments elsewhere, including in favor of new product development. If such a strategy were not to result in the benefits that we expect, our business could be harmed.

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Further, we have previously taken measures to help our paying dealers maintain their business health during the COVID-19 pandemic, including by proactively reducing the subscription fees for paying dealers for certain service periods, and we may decide to re-institute further billing relief as we continue to assess the effects of the COVID-19 pandemic and other macroeconomic issues on our paying dealers and business operations. Any further billing relief could result in a decline in our revenue and have a material adverse effect to our business. During the COVID-19 pandemic, we also experienced, and may in the future experience, increased account delinquencies from dealer customers challenged by the COVID-19 pandemic that failed to pay us on time or at all.

These effects from the COVID-19 pandemic on our revenue caused us to implement certain cost-savings measures across our business, which previously disrupted our business and operations. Any future cost-savings measures implemented by us due to macroeconomic issues may affect our future business and operations and yield unintended consequences, such as loss of key employees, increased costs in hiring new employees, undesired attrition, and the risk that we may not achieve anticipated cost savings at the levels we expect, any of which may have a material adverse effect on our results of operations and/or financial condition.

We continue to monitor and assess the effects of the COVID-19 pandemic on our commercial operations, including the impact on our revenue. However, we cannot at this time accurately predict what effects these conditions will ultimately have on our operations due to uncertainties relating to the duration of the pandemic, the extent and effectiveness of governmental responses and other preventative, treatment and containment actions or developments, including the distribution and acceptance of vaccines, shifts in behavior going forward, and the length or severity of any travel and commerce restrictions that may be imposed in the future by relevant governmental authorities. Nor can we predict the adverse impact on the global economies and financial markets in which we operate, which may have a significant negative impact on our business, financial condition and results of operations.

Our business is substantially dependent on our relationships with dealers. If a significant number of dealers terminate their subscription agreements with us and/or dealer closures or consolidations occur that reduce demand for our products, our business and financial results would be materially and adversely affected.

A significant source of our revenue consists of subscription fees paid to us by dealers for access to enhanced features on our automotive marketplaces. Our subscription agreements with dealers generally may be terminated by us with 30 days’ notice and by dealers with 30 days’ notice prior to the commencement of the applicable renewal term. The majority of our contracts with dealers currently provide for one-month committed terms and do not contain contractual obligations requiring a dealer to maintain its relationship with us beyond the committed term. A dealer may be influenced by several factors to cancel its subscription with us, including national and regional dealership associations, national and local regulators, automotive manufacturers, consumer groups, and consolidated dealer groups. If any of these influential groups indicate that dealers should not enter into or maintain subscription agreements with us, dealers could share this belief and we may lose a number of our paying dealers. If a significant number of our paying dealers terminate their subscriptions with us, our business and financial results would be materially and adversely affected.

Additionally, in the past, the number of United States dealers has declined due to dealership closures and consolidations as a result of factors such as global economic downturns or other macroeconomic issues. When dealers consolidate, the services they previously purchased separately are often purchased by the combined entity in a lesser quantity or for a lower aggregate price than before, leading to volume compression and loss of revenue. Further dealership consolidations or closures could reduce the aggregate demand for our products and services. If dealership closures and consolidations occur in the future, our business and financial results could be materially and adversely affected.

If we fail to maintain or increase the number of dealers that pay subscription fees to us, or fail to maintain or increase the fees paid to us for subscriptions, our business and financial results would be materially and adversely affected.

As a result of the effects of the COVID-19 pandemic, many paying dealers cancelled their subscriptions with us (including, in some cases, with our permission prior to the end of the applicable contract term and notice period), and it is possible that additional dealers will cancel their subscriptions in the future for a variety of reasons, including as a result of the continuing effects of the COVID-19 pandemic and other macroeconomic issues, such as the global semiconductor chip shortage. If paying dealers do not receive the volume of consumer connections that they expect during their subscription period, do not experience the level of car sales they expect from those connections, or fail to attribute consumer connections or sales to our platform, they may terminate their subscriptions prior to the commencement of the applicable renewal term. If we fail to maintain or expand our base of paying dealers or fail to maintain or increase the level of fees that we receive from them, our business and financial results would be materially and adversely affected.

We allow dealers to list their inventory in CarGurus marketplaces for free; however, we impose certain limitations on such free listings, such as capping the number of leads that non-paying dealers in the U.S. may receive, not displaying non-paying dealer identity and contact information, and prohibiting access to the paid features of our marketplaces. We continue to adapt our free listings product, Restricted Listings, in our CarGurus marketplaces and in the future, we may decide to impose additional restrictions on Restricted Listings or modify the services available to non-paying dealers. These changes to our Restricted Listings product may result in less inventory being displayed to consumers, which may impair our efforts to attract consumers, and cause paying and non-paying dealers to receive fewer leads and connections, which may make it more difficult for us to convert non-paying dealers to paying dealers or maintain or expand our base of paying dealers. If dealers do not subscribe to our paid offerings at the rates we expect, our business and financial results would be materially and adversely affected.

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If we fail to continue to realize transaction synergies from our acquisition of a 51% interest in CarOffer, or if the CarOffer business and/or our combined offerings such as IMCO fail to continue to grow at the rate we expect, our revenue and business would be significantly harmed.

In January 2021, we completed our acquisition of a 51% interest in CarOffer, which added wholesale vehicle acquisition and selling capabilities to our portfolio of dealer offerings. In 2021, this acquisition also helped facilitate our launch of a newer consumer offering, IMCO, which allows consumers in certain states to sell their vehicles to dealers entirely online through CarGurus. A significant amount of our revenue is now derived from the wholesale sale of automobiles and IMCO. Continued achievement of our transaction synergies and our ability to continue to grow the CarOffer business and the revenue associated with it depends on a number of factors, including, but not limited to, our ability to continue to: expand the number of dealers engaging on the CarOffer platform; retain existing customers and increase the share of wholesale transactions which they complete on the CarOffer platform; attract prospective customers who have historically purchased or sold vehicles through physical auctions and may choose not to transact online; and successfully compete with competitors, including other online vehicle auction companies and large, national offline vehicle auction companies that are expanding into the online channel and have launched online auctions in connection with their physical auctions. Additionally, our ability to continue to grow IMCO and the revenue associated with it also depends on a number of factors, including, but not limited to, our ability to continue to: effectively scale and market IMCO; attract prospective consumers to sell their vehicles online through IMCO; and successfully compete with competitors, including online dealerships. If our anticipated transaction synergies do not fully materialize or the CarOffer business and/or IMCO fail to continue to grow at the rate we expect, our revenue and business would be significantly harmed.

Industry conditions such as a significant change in vehicle retail prices or a decline in the used vehicle inventory supply coming to the wholesale market could also adversely impact CarOffer’s business and growth. For example, if retail prices for used vehicles rise relative to retail prices for new vehicles, it could make buying a new vehicle more attractive to consumers than buying a used vehicle, which could result in reduced used vehicle wholesale sales on the CarOffer platform. Used vehicle dealers may also decide to retail more of their vehicles on their own rather than selling them on the CarOffer platform, which could adversely impact the volume of vehicles offered for sale on the CarOffer platform and the demand for those used vehicles. We also face inventory risk in connection with vehicles acquired by CarOffer via arbitration, including the risk of inventory obsolescence, a decline in values, and significant inventory write-downs or write-offs. Such inventory risk would be higher if arbitrations increase, which is more likely to occur in connection with declining wholesale market conditions.

Furthermore, activity on the CarOffer platform for certain dealership segments has in the past fluctuated, and may again in the future fluctuate, from period to period based on macroeconomic conditions and changing demand requirements, which could adversely impact our revenue, results of operations, and financial condition for such period(s). Macroeconomic issues, including rising interest rates and lower consumer confidence, could also adversely impact dealer demand for sourcing inventory and therefore lead to a reduction in the number of vehicle wholesale sales on the CarOffer platform and/or transacted via IMCO, which would adversely impact CarOffer’s business and financial results. Additionally, inventory challenges in the automotive industry, including for reasons attributable to the COVID-19 pandemic, has contributed and could continue to contribute to a decrease in the supply of vehicles coming to the wholesale market and reduce the number of vehicles sold on the CarOffer platform and/or transacted via IMCO. An inability by CarOffer to retain customers and/or increase or find alternative sources of vehicle supply would adversely impact our revenue and business.

If dealers or other advertisers reduce their advertising spending with us and we are unable to replace the reduced advertising spending, our advertising revenue and business would be harmed.

A portion of our revenue is derived from advertising revenues generated primarily through advertising sales, including on-site advertising and audience targeting services, to dealers, auto manufacturers, and other auto-related brand advertisers. We compete for this advertising revenue with other online automotive marketplaces and with television, print media, and other traditional advertising channels. Our ability to attract and retain advertisers and to generate advertising revenue depends on a number of factors, including our ability to: increase the number of consumers using our marketplaces; compete effectively for advertising spending with other online automotive marketplaces; continue to develop our advertising products; keep pace with changes in technology and the practices and offerings of our competitors; and offer an attractive ROI to our advertisers for their advertising spend with us.

Our agreements with dealers for advertising generally include terms ranging from one month to one year and may be terminated by us with 30 days’ notice and by dealers with 30 days’ notice prior to the commencement of the applicable renewal term. The contracts do not contain contractual obligations requiring an advertiser to maintain its relationship with us beyond the committed term. Certain of our other advertising contracts, including those with auto manufacturers, typically do not have ongoing commitments to advertise in our marketplaces beyond a committed term. As a result of the effects of the COVID-19 pandemic, some advertisers cancelled or reduced their advertising with us and it is possible that advertising customers will cancel or reduce their advertising with us in the future for a variety of reasons, including as a result of the continuing effects of the COVID-19 pandemic and other macroeconomic issues, such as the global semiconductor chip shortage. In addition, the year-over-year decline in the number of consumer visits to our sites as a result of the COVID-19 pandemic resulted in the delivery of fewer impressions for our advertising customers than anticipated year-over-year for the years ended December 31, 2021 and 2020, which has caused, and may continue to cause, an adverse impact on our advertising

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revenues. We may not succeed in capturing a greater share of our advertisers’ spending if we are unable to convince advertisers of the effectiveness or superiority of our advertising offerings as compared to alternative channels. If current advertisers reduce their advertising spending with us and we are unable to replace such reduced advertising spending, our advertising revenue and business and financial results would be harmed.

If we are unable to provide a compelling vehicle search experience to consumers through our platform, the number of connections between consumers and dealers using our marketplaces may decline and our business and financial results would be materially and adversely affected.

If we fail to continue to provide a compelling vehicle search experience to consumers, the number of connections between consumers and dealers through our marketplaces could decline, which in turn could lead dealers to suspend listing their inventory in our marketplaces, cancel their subscriptions, or reduce their spending with us. If dealers pause or cancel listing their inventory in our marketplaces, we may not be able to attract a large consumer audience, which may cause other dealers to pause or cancel their use of our marketplaces. This reduction in the number of dealers using our marketplaces would likely materially and adversely affect our marketplaces and our business and financial results. As consumers increasingly use their mobile devices to access the internet and our marketplaces, our success depends, in part, on our ability to provide consumers with a robust and user-friendly experience through their mobile devices. We believe that our ability to provide a compelling vehicle search experience, both on desktop computers and through mobile devices, is subject to a number of factors, including our ability to: maintain attractive marketplaces for consumers and dealers; continue to innovate and introduce products for our marketplaces; launch new products that are effective and have a high degree of consumer engagement; display a wide variety of automobile inventory to attract more consumers to our websites; provide mobile applications that engage consumers; maintain the compatibility of our mobile applications with operating systems, such as iOS and Android, and with popular mobile devices running such operating systems; and access and analyze a sufficient amount of data to enable us to provide relevant information to consumers, including pricing information and accurate vehicle details.

Any inability by us to develop new products, or achieve widespread consumer and dealer adoption of those products, could negatively impact our business and financial results.

Our success depends on our continued innovation to provide products that make our marketplaces, websites, and mobile applications useful for consumers and dealers or that otherwise provide value to consumers and dealers. For example, during 2021 we launched IMCO in furtherance of our evolution to a transaction-enabled marketplace. We also continue to develop digital retail offerings, including those that expand a dealer’s geographic footprint and others that bring additional elements of the car buying experience online through our websites. A failure by us to capture the benefits that we expect from our rollout of IMCO and these digital retail investments could have an adverse effect on our business and financial results.

In addition to introducing new offerings within our existing products, we anticipate that over time we may reach a point when investments in our current products are less productive and the growth of our revenue will require more focus on developing new products for consumers and dealers. These new products, in the aggregate, must be widely adopted by consumers and dealers in order for us to continue to attract consumers to our marketplaces and dealers to our products and services. Accordingly, we must continually invest resources in product, technology, and development in order to improve the attractiveness and comprehensiveness of our marketplaces and their related products and effectively incorporate new internet and mobile technologies into them. Our ability to engage in these activities may decline as a result of macroeconomic effects and any cost-savings initiatives on our business. These product, technology, and development expenses may include costs of hiring additional personnel, engaging third-party service providers and conducting other research and development activities. There can be no assurance that innovations to our products like IMCO, or the development of future products, will increase consumer or dealer engagement, achieve market acceptance, create additional revenue or become profitable. In addition, revenue relating to new products is typically unpredictable and our new products may have lower gross margins, lower retention rates, and higher marketing and sales costs than our existing products. We are likely to continue to modify our pricing models for both existing and new products so that our prices for our offerings reflect the value those offerings are providing to consumers and dealers. Our pricing models may not effectively reflect the value of products to dealers, and, if we are unable to provide marketplaces and products that consumers and dealers want to use, they may reduce or cease the use of our marketplaces and products. Without innovative marketplaces and related products, we may be unable to attract additional, unique consumers or retain current consumers, which could affect the number of dealers that become paying dealers and the number of advertisers that want to advertise in our marketplaces, as well as the amounts that they are willing to pay for our products, which could, in turn, negatively impact our business and financial results.

We rely on internet search engines to drive traffic to our websites, and if we fail to appear prominently in the search results, our traffic would decline and our business would be adversely affected.

We rely, in part, on internet search engines such as Google, Bing, and Yahoo! to drive traffic to our websites. The number of consumers we attract to our marketplaces from search engines is due in part to how and where our websites rank in unpaid search results. These rankings can be affected by a number of factors, many of which are not under our direct control and may change frequently. For example, when a consumer searches for a vehicle in an internet search engine, we rely on a high organic search ranking of our webpages to refer the consumer to our websites. Our competitors’ internet search engine optimization efforts may result in their websites receiving

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higher search result rankings than ours, or internet search engines could change their methodologies and/or introduce competing products in a way that would adversely affect our search result rankings. If internet search engines modify their methodologies in ways that are detrimental to us, as they have done from time to time, or if our efforts to improve our search engine optimization are unsuccessful or less successful than our competitors’ efforts, our ability to attract a large consumer audience could diminish, traffic to our marketplaces could decline and the number of leads that we send to our dealers could be adversely impacted. Additionally, competing products from internet search engine providers, such as those that provide dealer and vehicle pricing and other information directly in search results, could also adversely impact traffic to our websites and the number of leads that we are able to send to our dealers. Our business would also be adversely affected if internet search engine providers choose to align with our competitors. Reductions in our own search advertising spend or more aggressive spending by our competitors could also cause us to incur higher advertising costs and/or reduce our market visibility to prospective users. Our websites have experienced fluctuations in organic and paid search result rankings in the past, and we anticipate fluctuations in the future. Any reduction in the number of consumers directed to our websites through internet search engines could harm our business and operating results.

We may be unable to maintain or grow relationships with data providers, or may experience interruptions in the data they provide, which may create a less valuable or transparent shopping experience and negatively affect our business and operating results.

We obtain data from many third-party data providers, including inventory management systems, automotive website providers, customer relationship management systems, dealer management systems, governmental entities, and third-party data licensors. Our business relies on our ability to obtain data for the benefit of consumers and dealers using our marketplaces. For example, our success in each market is dependent in part upon our ability to obtain and maintain inventory data and other vehicle information for those markets. The loss or interruption of such inventory data or other vehicle information could decrease the number of consumers using our marketplaces. We could experience interruptions in our data access for a number of reasons, including difficulties in renewing our agreements with data providers, changes to the software used by data providers, efforts by industry participants to restrict access to data, increased fees we may be charged by data providers and the continuing effects of macroeconomic conditions. Our marketplaces could be negatively affected if any current provider terminates its relationship with us or our service from any provider is interrupted. If there is a material disruption in the data provided to us, the information that we provide to consumers and dealers using our marketplaces may be limited. In addition, the quality, accuracy, and timeliness of this information may suffer, which may lead to a less valuable and less transparent shopping experience for consumers using our marketplaces and could negatively affect our business and operating results.

The failure to build, maintain and protect our brands would harm our ability to attract a large consumer audience and to expand the use of our marketplaces by consumers and dealers.

While we are focused on building our brand recognition, maintaining and enhancing our brands will depend largely on the success of our efforts to maintain the trust of consumers and dealers and to deliver value to each consumer and dealer using our marketplaces. Our ability to protect our brands is also impacted by the success of our efforts to optimize our significant brand spend and overcome the intense competition in brand marketing across our industry, including competitors that may imitate our messaging. In addition, we have reduced our brand spend in comparison to our pre-COVID-19 pandemic levels, and it is possible that we may in the future decide to further suppress such spend depending on the continued impact of macroeconomic conditions. If consumers believe that we are not focused on providing them with a better automobile shopping experience, or if we fail to overcome brand marketing competition and maintain a differentiated value proposition in consumers’ minds, our reputation and the strength of our brands may be adversely affected.

Complaints or negative publicity about our business practices and culture, our management team and employees, our marketing and advertising campaigns, our compliance with applicable laws and regulations, the integrity of the data that we provide to consumers, data privacy and security issues, and other aspects of our business, irrespective of their validity, could diminish consumers’ and dealers’ confidence and participation in our marketplaces and could adversely affect our brands. There can be no assurance that we will be able to maintain or enhance our brands, and failure to do so would harm our business growth prospects and operating results. Furthermore, portions of our platform enable consumers and dealers using our marketplaces to communicate with one another and other persons seeking information or advice on the internet. Claims of defamation or other injury could be made against us for content posted on our websites. In addition, negative publicity and user sentiment generated as a result of fraudulent or deceptive conduct by users of our marketplaces could damage our reputation, reduce our ability to attract new users or retain our current users, and diminish the value of our brands.

Our recent, rapid growth is not indicative of our future growth, and our revenue growth rate in the future is uncertain, including due to potential macroeconomic effects.

Our revenue increased to (i) $951.4 million for the year ended December 31, 2021 from $551.5 million for the year ended December 31, 2020, representing a 73% increase between such periods, and (ii) $426.5 million for the three months ended September 30, 2022 from $222.9 million for the three months ended September 30, 2021, representing a 91% increase between such periods. Our revenue for the remainder of 2022 and beyond may not grow at such a rate and could potentially be impacted by macroeconomic issues, such as the global semiconductor chip shortage, the war in Ukraine and Russian sanctions, the ongoing effects of the COVID-19 pandemic, rising interest rates and lower consumer confidence. In addition, we will not be able to grow as expected, or at all, if we fail to: increase the number of consumers using our marketplaces; attract new consumers to sell their vehicles online through IMCO;

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maintain and expand the number of dealers that subscribe to our marketplaces and maintain and increase the fees that they are paying; expand the number of dealers engaging on the CarOffer platform and increase the share of wholesale transactions which they complete on such platform; attract and retain advertisers placing advertisements in our marketplaces; further improve the quality of our marketplaces and introduce high quality new products; and increase the number of connections between consumers and dealers using our marketplaces and connections to paying dealers, in particular. If our revenue declines or fails to grow, investors’ perceptions of our business may be adversely affected, and the market price of our Class A common stock could decline.

We may require additional capital to pursue our business objectives and respond to business opportunities, challenges, or unforeseen circumstances. If we are unable to generate sufficient cash flows or if capital is not available to us, our business, operating results, financial condition, and prospects could be adversely affected.

If we are unable to generate sufficient cash flows, we would require additional capital to pursue our business objectives and respond to business opportunities, challenges, or unforeseen circumstances, including the effects of the COVID-19 pandemic and other macroeconomic issues, such as the global semiconductor chip shortage, as well as to make marketing expenditures to improve our brand awareness, develop new products, further improve our platform and existing products, enhance our operating infrastructure, and acquire complementary businesses and technologies. Accordingly, we may need to engage in equity or debt financings to secure additional funds. However, additional funds may not be available when we need them on terms that are acceptable to us or at all. Volatility in the equity and credit markets, including due to macroeconomic conditions, may also have an adverse effect on our ability to obtain equity or debt financing. An inability to obtain adequate financing or financing on terms satisfactory to us when we require it could significantly limit our ability to continue to pursue our business objectives and to respond to business opportunities, challenges, or unforeseen circumstances, and may adversely affect our business, operating results, financial condition, and prospects.

Our international operations involve risks that may differ from, or are in addition to, our domestic operational risks.

In addition to the United States, we operate marketplaces in the United Kingdom and Canada, which are less familiar competitive environments and involve various risks, including the need to invest significant resources and the likelihood that returns on such investments will not be achieved for several years, or possibly at all. We have incurred losses in prior periods in the United Kingdom and Canada and may incur losses there again in the future. We also face various other challenges in those jurisdictions. For example, our competitors may be more established or otherwise better positioned than we are to succeed in the United Kingdom and Canada. Our competitors may offer services to dealers that make dealers dependent on them, such as hosting dealers’ websites and providing inventory feeds for dealers, which would make it difficult to attract dealers to our marketplaces. Dealers may also be parties to agreements with other dealers and syndicates that prevent them from being able to access our marketplaces. Any of these barriers could impede our operations in our international markets, which could affect our business and potential growth.

In addition to English, we have made portions of our marketplaces available in French and Spanish. We may have difficulty in modifying our technology and content for use in non-English-speaking market segments or gaining acceptance by users in non-English-speaking market segments. Our ability to manage our business and conduct our operations internationally requires considerable management attention and resources, and is subject to the particular challenges of supporting a business in an environment of multiple languages, cultures, customs, legal and regulatory systems, alternative dispute resolution systems, and commercial infrastructures. Operating internationally may subject us to different risks or increase our exposure in connection with current risks, including risks associated with: recruiting, managing and retaining qualified multilingual employees, including sales personnel; adapting our websites and mobile applications to conform to local consumer behavior; increased competition from local websites and mobile applications and potential preferences by local populations for local providers; compliance with applicable foreign laws and regulations, including different privacy, censorship, and liability standards and regulations, and different intellectual property laws; providing solutions in different languages and for different cultures, which may require that we make modifications for purposes of cultural relevancy in different countries; the enforceability of our intellectual property rights; credit risk and higher levels of payment fraud; compliance with anti-bribery laws, including compliance with the Foreign Corrupt Practices Act and the United Kingdom Bribery Act; currency exchange rate fluctuations; adverse changes in trade relationships among foreign countries and/or between the United States and such countries, including as related to the United Kingdom’s exit from the European Union, or the EU, commonly referred to as “Brexit”; double taxation of our international earnings and potentially adverse tax consequences arising from the tax laws of the United States or the foreign jurisdictions in which we operate; and higher costs of doing business internationally.

We depend on key personnel to operate our business, and if we are unable to retain, attract and integrate qualified personnel, or if we experience turnover of our key personnel, our ability to develop and successfully grow our business could be materially and adversely affected.

We believe our success has depended, and continues to depend, on the efforts and talents of our executives and employees. Our future success depends on our continuing ability to attract, develop, motivate, and retain highly qualified and skilled employees. Since the onset of the COVID-19 pandemic, we have encountered increased rates of turnover of our employee base and encountered intense competition for retaining and attracting qualified and skilled employees. Accordingly, we have incurred, and we may continue to incur, significant costs to attract new employees and retain existing ones, and we may in the future become less competitive in attracting and retaining employees as a result of any expense reduction efforts that we may initiate or our compliance with any COVID-19 healthcare

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standards to which we may become subject.

In addition, any unplanned turnover or our failure to develop an adequate succession plan for any of our executive officers or key employees, or the reduction in their involvement in the management of our business, could materially adversely affect our ability to execute our business plan and strategy, and we may not be able to find adequate replacements on a timely basis, or at all. Our executive officers and other employees are at-will, which means they may terminate their employment relationships with us at any time, and their knowledge of our business and industry would be extremely difficult to replace. For example, effective October 3, 2022, Scot Fredo resigned from his role as our Chief Financial Officer. We cannot ensure that we will be able to retain the services of any members of our senior management or other key employees. If we do not succeed in attracting well-qualified employees or retaining and motivating existing employees, our business could be materially and adversely affected. Additionally, we may face risks related to the transitions that occurred in our senior management team during 2021, the departure of Mr. Fredo, and other future transitions in our leadership, including the disruption of our operations and the depletion of our institutional knowledge base.

We may be subject to disputes regarding the accuracy of Instant Market Values, Deal Ratings, Dealer Ratings, New Car Price Guidance and other features of our marketplaces.

We provide consumers using our CarGurus marketplaces with our proprietary IMV, Deal Ratings, and Dealer Ratings, as well as other features to help them evaluate vehicle listings, including price guidance for new car listings, or New Car Price Guidance. Our valuation models depend on the inventory listed on our sites as well as public information regarding automotive sales. If the inventory on our site declines significantly, or if the number of automotive sales declines significantly or used car sales prices become volatile, whether as a result of macroeconomic effects or otherwise, our valuation models may not perform as expected. Revisions to or errors in our automated valuation models, or the algorithms that underlie them, may cause the IMV, the Deal Rating, New Car Price Guidance, or other features to vary from our expectations regarding the accuracy of these tools. In addition, from time to time, regulators, consumers, dealers and other industry participants may question or disagree with our IMV, Deal Rating, Dealer Rating or New Car Price Guidance. Any such questions or disagreements could result in distraction from our business or potentially harm our reputation, could result in a decline in consumers’ confidence in, or use of, our marketplaces and could result in legal disputes.

We are subject to a complex framework of laws and regulations, many of which are unsettled, still developing and contradictory, which have in the past, and could in the future, subject us to claims, challenge our business model, or otherwise harm our business.

Various aspects of our business are, may become, or may be viewed by regulators from time to time as subject, directly or indirectly, to United States federal, state and local laws and regulations, and to foreign laws and regulations.

Local Motor Vehicle Sales, Advertising and Brokering, and Consumer Protection Laws: The advertising and sale of new and used motor vehicles is highly regulated by the jurisdictions in which we do business. Although we do not sell motor vehicles, and although we believe that vehicle listings on our sites are not themselves advertisements, regulatory authorities or third parties could take the position that some of the laws or regulations applicable to dealers or to the manner in which motor vehicles are advertised and sold generally are directly applicable to our business. These advertising laws and regulations are frequently subject to multiple interpretations and are not uniform from jurisdiction to jurisdiction, sometimes imposing inconsistent requirements with respect to new or used motor vehicles. If our marketplaces and related products are determined to not comply with relevant regulatory requirements, we or dealers could be subject to civil and criminal penalties, including fines, or the award of significant damages in class actions or other civil litigation, as well as orders interfering with our ability to continue providing our marketplaces and related products and services in certain jurisdictions. In addition, even absent such a determination, to the extent dealers are uncertain about the applicability of such laws and regulations to our business, we may lose, or have difficulty increasing the number of paying dealers, which would affect our future growth.

If regulators or other third parties take the position that our marketplaces or related products violate applicable brokering, bird-dog, consumer protection, consumer finance or advertising laws or regulations, responding to such allegations could be costly, could require us to pay significant sums in settlements, could require us to pay civil and criminal penalties, including fines, could interfere with our ability to continue providing our marketplaces and related products in certain jurisdictions, or could require us to make adjustments to our marketplaces and related products or the manner in which we derive revenue from dealers using our platform, any or all of which could result in substantial adverse publicity, termination of subscriptions by dealers, decreased revenues, distraction for our employees, increased expenses, and decreased profitability.

Federal Laws and Regulations: The United States Federal Trade Commission, or the FTC, has the authority to take actions to remedy or prevent acts or practices that it considers to be unfair or deceptive and that affect commerce in the United States. If the FTC takes the position in the future that any aspect of our business, including our advertising and privacy practices, constitutes an unfair or deceptive act or practice, responding to such allegations could require us to defend our practices and pay significant damages, settlements, and civil penalties, or could require us to make adjustments to our marketplaces and related products and services, any or all of which could result in substantial adverse publicity, distraction for our employees, loss of participating dealers, lost revenues, increased expenses, and decreased profitability.

Our platforms enable us, dealers, and users to send and receive text messages and other mobile phone communications. The

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Telephone Consumer Protection Act, or the TCPA, as interpreted and implemented by the United States Federal Communications Commission, or the FCC, and federal and state courts, impose significant restrictions on utilization of telephone calls and text messages to residential and mobile telephone numbers as a means of communication, particularly if the prior express consent of the person being contacted has not been obtained. Violations of the TCPA may be enforced by the FCC, by state attorneys general, or by others through litigation, including class actions. Furthermore, several provisions of the TCPA, as well as applicable rules and orders, are open to multiple interpretations, and compliance may involve fact-specific analyses.

Any failure by us, or the third parties on which we rely, to adhere to, or successfully implement, appropriate processes and procedures in response to existing or future laws and regulations could result in legal and monetary liability, fines and penalties, or damage to our reputation in the marketplace, any of which could have a material adverse effect on our business, financial condition, and results of operations. Even if the claims are meritless, we may be required to expend resources and pay costs to defend against regulatory actions or third-party claims. Additionally, any change to applicable laws or their interpretations that further restricts the way consumers and dealers interact through our platforms, or any governmental or private enforcement actions related thereto, could adversely affect our ability to attract customers and could harm our business, financial condition, results of operations, and cash flows.

Antitrust and Other Laws: Antitrust and competition laws prohibit, among other things, any joint conduct among competitors that would lessen competition in the marketplace. A governmental or private civil action alleging the improper exchange of information, or unlawful participation in price maintenance or other unlawful or anticompetitive activity, even if unfounded, could be costly to defend and could harm our business, results of operations, financial condition, and cash flows. Claims could be made against us under both United States and foreign laws, including claims for defamation, libel, invasion of privacy, false advertising, intellectual property infringement, or claims based on other theories related to the nature and content of the materials disseminated by our marketplaces and on portions of our websites. Our defense against any of these actions could be costly and involve significant time and attention of our management and other resources. If we become liable for information transmitted in our marketplaces, we could be directly harmed and we may be forced to implement new measures to reduce our exposure to this liability.

The foregoing description of laws and regulations to which we are or may be subject is not exhaustive, and the regulatory framework governing our operations is subject to continuous change. We are, and we will continue to be, exposed to legal and regulatory risks including with respect to privacy, tax, law enforcement, content, intellectual property, competition, and other matters. The enactment of new laws and regulations or the interpretation of existing laws and regulations, both domestically and internationally, may affect the operation of our business, directly or indirectly, which could result in substantial regulatory compliance costs, civil or criminal penalties, including fines, adverse publicity, loss of subscribing dealers, lost revenues, increased expenses, and decreased profitability. Further, investigations by governmental agencies, including the FTC, into allegedly anticompetitive, unfair, deceptive or other business practices by us or dealers using our marketplaces, could cause us to incur additional expenses and, if adversely concluded, could result in substantial civil or criminal penalties and significant legal liability, or orders requiring us to make adjustments to our marketplaces and related products and services.

Our business is subject to risks related to the larger automotive industry ecosystem, which could have a material adverse effect on our business, revenue, results of operations, and financial condition.

Decreases in consumer demand could adversely affect the market for automobile purchases and, as a result, reduce the number of consumers using our platform. Consumer purchases of new and used automobiles generally decline during recessionary periods and other periods in which disposable income is adversely affected. Purchases of new and used automobiles are typically discretionary for consumers and have been, and may continue to be, affected by negative trends in the economy, including: the effects of the COVID-19 pandemic, the cost of energy and gasoline; the availability and cost of credit; rising interest rates; reductions in business and consumer confidence; stock market volatility; and increased unemployment. Further, in recent years the market for motor vehicles has experienced rapid changes in technology and consumer demands. Self-driving technology, ride sharing, transportation networks, and other fundamental changes in transportation could impact consumer demand for the purchase of automobiles. A reduction in the number of automobiles purchased by consumers could adversely affect dealers and car manufacturers and lead to a reduction in other spending by these groups, including targeted incentive programs.

In addition, our business has been and may continue to be negatively affected by challenges to the larger automotive industry ecosystem, including global supply chain challenges, the global semiconductor chip shortage, changes to trade policies, including tariff rates and customs duties, trade relations between the United States and China and other macroeconomic issues, including the war in Ukraine and Russian sanctions, as well as the ongoing effects of the COVID-19 pandemic. These factors could have a material adverse effect on our business, revenue, results of operations, and financial condition.

We rely on third-party service providers and strategic partners for many aspects of our business, and any failure to maintain these relationships or to successfully integrate certain third-party platforms could harm our business.

Our success depends upon our relationships with third parties, including, among others: our payment processor; our data center hosts; our information technology providers; our data providers for inventory and vehicle information; and our partners for vehicle transportation, inspection and other logistics associated with our CarOffer business and IMCO. If these third parties experience difficulty meeting our requirements or standards, have adverse audit results, violate the terms of our agreements or applicable law, fail to obtain

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or maintain applicable licenses, or if the relationships we have established with such third parties expire or otherwise terminate, it could make it difficult for us to operate some aspects of our business, which could damage our business and reputation. In addition, if such third-party service providers or strategic partners were to cease operations, temporarily or permanently, face financial distress or other business disruptions, increase their fees, or if our relationships with these providers or partners deteriorate or terminate, whether as a result of macroeconomic conditions or otherwise, we could suffer increased costs and we may be unable to provide similar services until an equivalent provider could be found or we could develop replacement technology or operations. For example, primarily in connection with our Dealer-to-Dealer transactions, we utilize a third-party payment processor that collects customer payments on our behalf and remits them to us, as well as provides payments in advance for certain selling dealers. If our relationship with this third-party payment processor were to deteriorate or terminate, we would have to identify a succeeding payment processor or assume in-house facilitation of these services, which could disrupt our business and adversely affect our revenue, results of operations, and financial condition. Furthermore, if we are unsuccessful in identifying or finding high-quality partners, if we fail to negotiate cost-effective relationships with them, or if we ineffectively manage these relationships, it could have an adverse impact on our business and financial results.

Our enterprise systems require that we integrate the platforms hosted by certain third-party service providers. We are responsible for integrating these platforms and updating them to maintain proper functionality. Issues with these integrations, our failure to properly update third-party platforms or any interruptions to our internal enterprise systems could harm our business by causing delays in our ability to quote, activate service and bill new and existing customers on our platform.

A significant disruption in service on our websites or mobile applications could damage our reputation and result in a loss of consumers, which could harm our business, brands, operating results, and financial condition.

Our brands, reputation, and ability to attract consumers, dealers, and advertisers depend on the reliable performance of our technology infrastructure and content delivery. We have experienced, and we may in the future experience, interruptions with our systems. Interruptions in these systems, whether due to system failures, computer viruses, ransomware, physical break-ins, electronic breaches, or otherwise, could affect the security or availability of our marketplaces on our websites and mobile applications, and prevent or inhibit the ability of dealers and consumers to access our marketplaces. For example, past disruptions have impacted our ability to activate customer accounts and manage our billing activities in a timely manner. Such interruptions have resulted, and may in the future result, in third parties accessing our confidential and proprietary information, including our intellectual property. Problems with the reliability or security of our systems could harm our reputation, harm our ability to protect our confidential and proprietary information, result in a loss of consumers and dealers, and result in additional costs.

Substantially all of the communications, network, and computer hardware used to operate our platforms is located in the Eastern region of the United States, and internationally near each of London, England and Frankfurt, Germany. These facilities include hosting through Amazon Web Services, a provider of cloud infrastructure services. Although we can host our U.S. CarGurus’ marketplace from two alternative locations and we believe our systems are redundant, there may be exceptions for certain hardware or software. In addition, we do not own or control the operation of these facilities. Any disruptions or other operational performance problems with these facilities, including our cloud infrastructure service provider, could result in material interruptions in our services, adversely affect our reputation and results of operations, and subject us to liability. We also use third-party hosting services to back up some data but do not maintain redundant systems or facilities for some of the services. A disruption to one or more of these systems has caused, and may in the future cause, us to experience an extended period of system unavailability, which could negatively impact our relationship with consumers, customers and advertisers. Our systems and operations are vulnerable to damage or interruption from fire, flood, power loss, telecommunications failure, terrorist attacks, acts of war, electronic breaches, physical break-ins, computer viruses, earthquakes, and similar events. The occurrence of any of these events could result in damage to our systems and hardware or could cause them to fail. In addition, we may not have sufficient protection or recovery plans in certain circumstances.

Problems faced by our third-party web hosting providers or if they closed their facilities without adequate notice could adversely affect the experience consumers have while using our marketplaces. Any financial difficulties, up to and including bankruptcy, faced by our third-party web hosting providers or any of the service providers whose services they use, which may be exacerbated as a result of macroeconomic conditions, may have negative effects on our business, the nature and extent of which are difficult to predict. If our third-party web hosting providers are unable to keep up with our capacity needs, our business could be harmed.

Any errors, defects, disruptions, or other performance or reliability problems with our network operations could cause interruptions in access to our marketplaces as well as delays and additional expense in arranging new facilities and services and could harm our reputation, business, operating results, and financial condition. Although we carry insurance, it may not be sufficient to compensate us for the potentially significant losses, including the potential harm to the future growth of our business, that may result from interruptions in our service as a result of system failures.

We collect, process, store, transfer, share, disclose, and use consumer information and other data, and our actual or perceived failure to protect such information and data or respect users’ privacy could damage our reputation and brands and harm our business and operating results.

Some functions of our marketplaces involve the storage and transmission of consumers’ information, such as IP addresses, contact information of users who connect with dealers, credit applications and other financial data, and profile information of users who create

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accounts on our marketplaces, as well as dealers’ information. We also process and store personal and confidential information of our vendors, partners, and employees. Some of this information may be private, and security breaches could expose us to a risk of loss or exposure of this information, which could result in potential liability, litigation, and remediation costs. For example, hackers could steal our users’ profile passwords, names, email addresses, phone numbers, and other personal information. We rely on encryption and authentication technology licensed from third parties to effect secure transmission of such information. Like all information systems and technology, our websites, mobile applications, and information systems are subject to computer viruses, break-ins, phishing attacks, attempts to overload the systems with denial-of-service or other attacks, ransomware, and similar incidents or disruptions from unauthorized use of our computer systems, any of which could lead to interruptions, delays, or website shutdowns, and could cause loss of critical data and the unauthorized disclosure, access, acquisition, alteration, and use of personal or other confidential information. If we experience compromises to our security that result in website or mobile application performance or availability problems, the complete shutdown of our websites or mobile applications, or the loss or unauthorized disclosure, access, acquisition, alteration, or use of confidential information, consumers, customers, advertisers, partners, vendors, and employees may lose trust and confidence in us, and consumers may decrease the use of our websites or stop using our websites entirely, dealers may stop or decrease their subscriptions with us, and advertisers may decrease or stop advertising on our websites.

Further, outside parties have attempted and will likely continue to attempt to fraudulently induce employees, consumers, or advertisers to disclose sensitive information in order to gain access to our information or our consumers’, dealers’, advertisers’, and employees’ information. As cyber-attacks increase in frequency and sophistication, our cyber-security and disaster recovery plans may not be effective in anticipating, preventing and effectively responding to all potential cyber-risk exposures. In addition, because the techniques used to obtain unauthorized access, disable or degrade service, or sabotage systems change frequently, often are not recognized until after having been launched against a target, and may originate from less regulated and remote areas around the world, we may be unable to proactively address these techniques or to implement adequate preventative measures.

Any or all of the issues above could adversely affect our brand reputation, negatively impact our ability to attract new consumers and increase engagement by existing consumers, cause existing consumers to reduce or stop the use of our marketplaces or close their accounts, cause existing dealers and advertisers to cancel their contracts, cause employees to terminate their employment, cause employment candidates to be unwilling to pursue employment opportunities or accept employment offers, and/or subject us to governmental or third-party lawsuits, investigations, regulatory fines, or other actions or liability, thereby harming our business, results of operations, and financial condition.

There are numerous federal, national, state, and local laws and regulations in the United States and around the world regarding privacy and the collection, processing, storage, sharing, disclosure, use, cross-border transfer, and protection of personal information and other data. These laws and regulations are evolving, are subject to differing interpretations, may be costly to comply with, may result in regulatory fines or penalties, may subject us to third-party lawsuits, may be inconsistent between countries and jurisdictions, and may conflict with other requirements. We seek to comply with industry standards and are subject to the terms of our privacy policies and privacy-related obligations to third parties, as well as all applicable laws and regulations relating to privacy and data protection. However, it is possible that these obligations may be interpreted and applied in new ways or in a manner that is inconsistent from one jurisdiction to another and may conflict with other rules or our practices and that new regulations could be enacted. Several proposals have recently become effective or are pending, as applicable, before federal, state, local, and foreign legislative and regulatory bodies that could significantly affect our business, which we refer to collectively as the Privacy Regulations. The Privacy Regulations include, but are not limited to, the EU's General Data Protection Regulation and the California Consumer Privacy Act. Certain of the Privacy Regulations have already required, and certain others may further require, us to change our policies and procedures and may in the future require us to make changes to our marketplaces and other products. These and other requirements could reduce demand for our marketplaces and other offerings, require us to take on more onerous obligations in our contracts and restrict our ability to store, transfer, and process data, which may seriously harm our business. Similarly, Brexit and the Schrems II decision of the Court of Justice of the EU, which effectively invalided the EU-U.S. Privacy Shield Framework, may require us to change our policies and procedures and, if we are not in compliance, may also seriously harm our business. We may not be entirely successful in our efforts to comply with the evolving regulations to which we are subject due to various factors within our control, such as limited internal resource allocation, or outside our control, such as a lack of vendor cooperation, new regulatory interpretations, or lack of regulatory guidance in respect of certain Privacy Regulations and other statutory requirements.

Any failure or perceived failure by us to comply with United States and international data protection laws and regulations, our privacy policies, or our privacy-related obligations to consumers, customers, employees and other third parties, or any compromise of security that results in the unauthorized release or transfer of data, which could include personal information or other user data, may result in governmental investigations, enforcement actions, regulatory fines, litigation, criminal penalties, or public statements against us by consumer advocacy groups or others, and could cause consumers and dealers to lose trust in us, which could significantly impact our brand reputation and have an adverse effect on our business. Additionally, if any third party that we share information with experiences a security breach or fails to comply with its privacy-related legal obligations or commitments to us, such matters may put employee, consumer or dealer information at risk and could in turn expose us to claims for damages or regulatory fines or penalties and harm our reputation, business, and operating results.

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Our ability to attract consumers to our own websites and to provide certain services to our customers depends on the collection of consumer data from various sources, which may be restricted by consumer choice, privacy restrictions, and developments in laws, regulations and industry standards.

The success of our consumer marketing and the delivery of internet advertisements for our customers depends on our ability to leverage data, including data that we collect from our customers, data we receive from our publisher partners and third parties, and data from our operations. Using cookies and non-cookie-based technologies, such as mobile advertising identifiers, we collect information about the interactions of users with our customers’ and publishers’ digital properties (including, for example, information about the placement of advertisements and users’ shopping or other interactions with our customers’ websites or advertisements). Our ability to successfully leverage such data depends on our continued ability to access and use such data, which could be restricted by a number of factors, including: increasing consumer adoption of “do not track” mechanisms as a result of legislation; privacy restrictions imposed by web browser developers, advertising partners or other software developers that impair our ability to understand the preferences of consumers by limiting the use of third-party cookies or other tracking technologies or data indicating or predicting consumer preferences; and new developments in, or new interpretations of, privacy laws, regulations and industry standards. Each of these developments could materially impact our ability to collect consumer data and deliver relevant internet advertisements to attract consumers to our websites or to deliver targeted advertising for our advertising customers. If we are unsuccessful in evolving our advertising and marketing strategies to adapt to and mitigate these evolving consumer data limitations, our business results could be materially impacted.

We have been, and may again be, subject to intellectual property disputes, which are costly to defend and could harm our business and operating results.

We have been, and expect in the future to be, subject to claims and litigation alleging that we infringe others’ intellectual property rights, including the trademarks, copyrights, patents, and other intellectual property rights of third parties, including from our competitors or non-practicing entities. We may also learn of possible infringement to our trademarks, copyrights, patents, and other intellectual property. In addition, we could be subject to lawsuits where consumers and dealers posting content on our websites disseminate materials that infringe the intellectual property rights of third parties. Patent and other intellectual property litigation may be protracted and expensive, and the results are difficult to predict and may result in significant settlement costs or payment of substantial damages. Many potential litigants, including patent holding companies, have the ability to dedicate substantially greater resources to enforce their intellectual property rights and to defend claims that may be brought against them. Furthermore, a successful claimant could secure a judgment that requires us to stop offering some features or prevents us from conducting our business as we have historically done or may desire to do in the future. We might also be required to seek a license and pay royalties for the use of such intellectual property, which may not be available on commercially acceptable terms, or at all. Alternatively, we may be required to modify our marketplaces and features while we develop non-infringing substitutes, which could require significant effort and expense and may ultimately not be successful.

In addition, we use open source software in our platform and will use open source software in the future. From time to time, we may face claims from companies that incorporate open source software into their products, claiming ownership of, or demanding release of, the source code, the open source software, or derivative works that were developed using such software, or otherwise seeking to enforce the terms of the applicable open source license. These claims could also result in litigation, require us to purchase a costly license or require us to devote additional product, technology, and development resources to change our platforms or services, any of which would have a negative effect on our business and operating results. Even if these matters do not result in litigation or are resolved in our favor or without significant cash settlements, these matters, and the time and resources necessary to litigate or resolve them, could harm our business, our operating results, and our reputation.

Failure to adequately protect our intellectual property could harm our business and operating results.

Our business depends on our intellectual property, the protection of which is crucial to the success of our business. We rely on a combination of patent, trademark, trade secret, and copyright law and contractual restrictions to protect our intellectual property. In addition, we attempt to protect our intellectual property, technology, and confidential information by requiring our employees and consultants to enter into confidentiality and assignment of inventions agreements and third parties to enter into nondisclosure agreements as we deem appropriate. Despite our efforts to protect our proprietary rights, unauthorized parties may attempt to copy aspects of our platform’s features, software, and functionality or obtain and use information that we consider proprietary.

Competitors may adopt trademarks or trade names similar to ours, thereby harming our ability to build brand identity and possibly leading to user confusion. In addition, there could be potential trade name or trademark infringement claims asserted against us by owners of other registered or unregistered trademarks logos or slogans, for our use of registered or unregistered trademarks, logos or slogans, or third-party trademarks that incorporate variations of our trademarks. We have registered the CARGURUS and CG logos, as well as the word-mark CARGURUS, in the U.S., Canada, and the United Kingdom. Additionally, CarOffer has a number of registered and unregistered trademarks, including “CarOffer” and the CarOffer logo, and related marks, which CarOffer has registered as trademarks in the U.S.

We currently hold the “CarGurus.com” internet domain name and various other related domain names relating to our brands. The regulation of domain names is subject to change. Regulatory bodies could establish additional top-level domains, appoint additional

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domain name registrars, or modify the requirements for holding domain names. As a result, we may not be able to acquire or maintain all domain names that use the names of our brands. In addition, third parties have created and may in the future create copycat or squatter domains to deceive consumers, which could harm our brands, interfere with our ability to register domain names, and result in additional costs.

We may be unable to halt the operations of websites that aggregate or misappropriate our data.

From time to time, third parties may misappropriate our data through website scraping, robots, or other means and aggregate this data with data from other sources. In addition, copycat websites may misappropriate data in our marketplaces and attempt to imitate our brands or the functionality of our websites. If we become aware of such activities, we intend to employ technological or legal measures in an attempt to halt their operations. However, we may be unable to detect and remedy all such activities in a timely manner. In some cases, our available remedies may not be adequate to protect us against the impact of such operations. Regardless of whether we can successfully enforce our rights against these third parties, any measures that we may take could require us to expend significant financial or other resources, which could harm our business, results of operations, and financial condition. In addition, to the extent that such activity creates confusion among consumers or advertisers, our brands and business could be harmed.

Seasonality and other factors may cause fluctuations in our operating results and our marketing spend.

Across the retail automotive industry, consumer purchases are typically greatest in the first three quarters of each year, due in part to the introduction of new vehicle models from manufacturers and the seasonal nature of consumer spending, and our consumer-marketing spend generally fluctuates accordingly. This seasonality has not been immediately apparent historically due to the overall growth of other operating expenses. In addition, any reduction of our marketing spend in response to COVID-19 or other macroeconomic-related expense management or otherwise, and shifts in demand from dealers and consumers could impact the efficiency of our marketing spend. As our growth rates moderate or cease, the impact of these seasonality trends and other influences on our results of operations could become more pronounced. In addition, the volume of wholesale vehicle sales fluctuates from quarter to quarter as a result of macroeconomic issues, such as the global semiconductor chip shortage, which may have a corresponding impact on our results of operations. This variability is caused by several factors including the timing of used vehicles available for sale from selling customers, the seasonality of the retail market for used vehicles and/or inventory challenges in the automotive industry, which affect the demand side of the wholesale industry.

Failure to deal effectively with fraud or other illegal activity could lead to potential legal liability, harm our business, cause us to lose paying dealer customers and adversely affect our reputation, financial performance and prospects for growth.

Based on the nature of our business, we are exposed to potential fraudulent and illegal activity in our marketplaces, including: listings of automobiles that are not owned by the purported dealer or that the dealer has no intention of selling at the listed price; receipt of fraudulent leads that we may send to our dealers; and deceptive practices in our peer-to-peer marketplace. The measures we have in place to detect and limit the occurrence of such fraudulent and illegal activity in our marketplaces may not always be effective or account for all types of fraudulent or other illegal activity. Further, the measures that we use to detect and limit the occurrence of fraudulent and illegal activity must be dynamic, as technologies and ways to commit fraud and illegal activity are continually evolving. Failure to limit the impact of fraudulent and illegal activity on our websites could lead to potential legal liability, harm our business, cause us to lose paying dealer customers and adversely affect our reputation, financial performance and growth prospects.

We have identified a material weakness in our internal control over financial reporting. If we are unable to remediate this material weakness, we may not be able to accurately or timely report our financial condition or results of operations, which may adversely affect our business and the market price of our common stock.

We have identified a material weakness in our internal control over financial reporting. If we are unable to remediate this material weakness, we may not be able to accurately or timely report our financial condition or results of operations, which may adversely affect our business and the market price of our Class A common stock. A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement of our annual or interim financial statements will not be prevented or detected on a timely basis. We have identified deficiencies in controls at our CarOffer subsidiary. These deficiencies include controls over (i) certain IT general controls for systems that are relevant to the preparation of our financial statements and (ii) our financial statement close process, which in the aggregate constitute a material weakness. While this material weakness did not result in a material misstatement of our financial statements, it could impact the effectiveness of our segregation of duties controls, as well as the effectiveness of IT-dependent controls, which could result in misstatement(s) impacting financial statement accounts and disclosures, resulting in a material misstatement of our annual or interim financial statements that we would have failed to prevent or detect. As a result of this material weakness, our management concluded that our disclosure controls and procedures were not effective as of September 30, 2022.

We are in the process of implementing a remediation plan designed to improve our internal control over financial reporting to remediate this material weakness. This remediation plan includes implementation of additional controls and procedures, including timely performance of user access and change management reviews, as well as an effective review of journal entries and accounts reconciliations. We cannot assure you that the measures we have taken to date, and actions we may take in the future, will be sufficient

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to remediate the control deficiencies that led to the material weakness in our internal control over financial reporting or that they will prevent or avoid potential future material weaknesses. If we are unable to successfully remediate the material weakness in our internal control over financial reporting, the accuracy and timing of our financial reporting may be adversely affected, investors could lose confidence in the accuracy and completeness of our financial reports, the market price of our Class A common stock could decline, we could be subject to sanctions or investigations by Nasdaq, the SEC or other regulatory authorities, and our ability to access the capital markets could be limited.

Our 2022 Revolver contains certain covenants and other restrictions on our actions that may limit our operational flexibility or otherwise adversely affect our results of operations.

The terms of our 2022 Revolver include a number of covenants that limit our ability to, among other things, grant or incur liens, incur additional indebtedness, make certain restricted investments or payments, enter into certain mergers and acquisitions or engage in certain asset sales, subject in each case to certain exceptions. In addition, our 2022 Revolver also subjects us to financial covenants in respect of minimum liquidity and requires that we maintain a net leverage ratio. The terms of our 2022 Revolver may restrict our current and future operations and could adversely affect our ability to finance our future operations or capital needs. Complying with these covenants may make it more difficult for us to successfully execute our business strategy and compete against companies which are not subject to such restrictions. Further, interest rate fluctuations may materially adversely affect our results of operations and financial conditions due to the variable interest rate on our 2022 Revolver, in the event that we draw down funds thereunder.

A failure by us to comply with the covenants or payment requirements specified in our 2022 Revolver could result in an event of default, which would give the lenders the right to terminate their commitments to provide loans under our 2022 Revolver and to declare any borrowings outstanding, together with any accrued and unpaid interest and fees, to be immediately due and payable. If any debt under our 2022 Revolver were to be accelerated, we may not have sufficient cash or be able to borrow sufficient funds to refinance the debt or sell sufficient assets to repay the debt, which could immediately adversely affect our business, cash flows, results of operations, and financial condition. Even if we were able to obtain new financing, it may not be on commercially reasonable terms or on terms that are acceptable to us. As of September 30, 2022, there were no amounts outstanding under our 2022 Revolver.

Risks Related to Our Class A Common Stock

Our founder controls a majority of the voting power of our outstanding capital stock, and, therefore, has control over key decision-making and could control our actions in a manner that conflicts with the interests of other stockholders.

Primarily by virtue of his holdings in shares of our Class B common stock, which has a ten-to-one voting ratio compared to our Class A common stock, Langley Steinert, our founder, Chairman of the Board and Executive Chairman, is able to exercise voting rights with respect to a majority of the voting power of our outstanding capital stock and therefore has the ability to control the outcome of matters submitted to our stockholders for approval, including the election of directors and any merger, consolidation, or sale of all or substantially all of our assets. This concentrated control could delay, defer, or prevent a change of control, merger, consolidation, or sale of all or substantially all of our assets that our other stockholders support, or conversely this concentrated control could result in the consummation of such a transaction that our other stockholders do not support. This concentrated control could also discourage a potential investor from acquiring our Class A common stock, which might harm the trading price of our Class A common stock. In addition, Mr. Steinert has significant influence in the management and major strategic investments of our company as a result of his position as Executive Chairman, and his ability to control the election or replacement of our directors. As Chairman of the Board and our Executive Chairman, Mr. Steinert owes a fiduciary duty to our stockholders and must act in good faith in a manner he reasonably believes to be in the best interests of our stockholders. If Mr. Steinert’s status as an officer and a director is terminated, his fiduciary duties to our stockholders will also terminate, but his voting power as a stockholder will not be reduced as a result of such termination unless such termination is either made voluntarily by Mr. Steinert or due to Mr. Steinert’s death, or if the sum of the number of shares of our capital stock held by Mr. Steinert, by any Family Member of Mr. Steinert, and by any Permitted Entity of Mr. Steinert (as such capitalized terms are defined in our amended and restated certificate of incorporation attached to our Annual Report as Exhibit 3.1), assuming the exercise and settlement in full of all outstanding options and convertible securities and calculated on an as-converted to Class A common stock basis, is less than 9,091,484 shares. As a stockholder, even a controlling stockholder, Mr. Steinert is entitled to vote his shares in his own interests, which may not always be aligned with the interests of our other stockholders.

We believe that Mr. Steinert’s continued control of a majority of the voting power of our outstanding capital stock is beneficial to us and is in the best interests of our stockholders. In the event that Mr. Steinert no longer controls a majority of the voting power, whether as a result of the disposition of some or all his shares of Class A or Class B common stock, the conversion of the Class B common stock into Class A common stock in accordance with its terms, or otherwise, our business or the trading price of our Class A common stock may be adversely affected.

The multiple class structure of our common stock has the effect of concentrating voting control with our founder and certain other holders of our Class B common stock, which will limit or preclude the ability of our stockholders to influence corporate matters.

Our Class B common stock has ten votes per share and our Class A common stock has one vote per share. Our founder and certain of his affiliates hold a substantial number of the outstanding shares of our Class B common stock and therefore hold a substantial

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majority of the voting power of our outstanding capital stock. Because of the ten-to-one voting ratio between our Class B and Class A common stock, the holders of our Class B common stock collectively control a majority of the combined voting power of our common stock and therefore are able to control all matters submitted to our stockholders for approval so long as the shares of Class B common stock represent at least 9.1% of all outstanding shares of our Class A and Class B common stock. This concentrated control will limit or preclude the ability of our other stockholders to influence corporate matters for the foreseeable future. Additionally, transfers by holders of Class B common stock will generally result in those transferred shares converting into Class A common stock, subject to limited exceptions, such as certain transfers effected for estate planning or charitable purposes. The conversion of Class B common stock into Class A common stock has had and will continue to have the effect, over time, of increasing the relative voting power of those holders of Class B common stock who retain such shares. If, for example, Mr. Steinert retains a significant portion of his holdings of Class B common stock, he could continue to control a majority of the combined voting power of our outstanding capital stock.

Our status as a “controlled company” could make our Class A common stock less attractive to some investors or otherwise harm the trading price of our Class A common stock.

More than 50% of our voting power is held by Mr. Steinert. As a result, we are a “controlled company” under the corporate governance rules for Nasdaq-listed companies and may elect not to comply with certain Nasdaq corporate governance requirements. We rely and have relied on certain or all of these exemptions. Accordingly, should the interests of our controlling stockholder differ from those of other stockholders, the other stockholders may not have the same protections afforded to stockholders of companies that are subject to all of the corporate governance rules for Nasdaq-listed companies. Our status as a controlled company could make our Class A common stock less attractive to some investors or otherwise harm our stock price.

The trading price of our Class A common stock has been and may continue to be volatile and the value of our stockholders’ investment in our stock could decline.

The trading price of our Class A common stock has been and may continue to be volatile and fluctuate substantially. The trading price of our Class A common stock depends on a number of factors, including those described in this “Risk Factors” section, many of which are beyond our control and may not be related to our operating performance. Factors that could cause fluctuations in the trading price of our Class A common stock include the following: changes in the operating performance and stock market valuations of other technology companies generally, or those in our industry in particular; sales of shares of our Class A common stock by us or our stockholders; adverse changes to recommendations regarding our stock by covering securities analysts; failure of securities analysts to maintain coverage of us, changes in financial estimates by any securities analysts who follow our company, or our failure to meet these estimates or the expectations of investors; announcements by us or our competitors of new products; the public’s reaction to our issuances of earnings guidance or other public announcements and filing; real or perceived inaccuracies in our key metrics; actions of an activist stockholder; actual or anticipated changes in our operating results or fluctuations in our operating results or developments in our business, our competitors’ businesses, or the competitive landscape generally; litigation involving us or investigations by regulators into our operations or those of our competitors; developments or disputes concerning our proprietary rights; announced or completed acquisitions of businesses or technologies by us or our competitors; new laws or regulations or new interpretations of existing laws or regulations applicable to our business; changes in accounting standards, policies, or guidelines; any significant change in our management; changes in the automobile industry; the COVID-19 pandemic; and general economic conditions.

General Risk Factors

We participate in a highly competitive market, and pressure from existing and new companies may adversely affect our business and operating results.

We face significant competition from companies that provide listings, car-shopping information, lead generation, marketing, wholesale, and digital car-buying and -selling services designed to help consumers and dealers shop for cars and to enable dealers to reach these consumers. Our competitors include: online automotive marketplaces and websites; internet search engines; peer-to-peer marketplaces; social media marketplaces; sites operated by automobile dealers; online dealerships; and vehicle auction companies. We compete with these and other companies for a share of dealers’ overall marketing budget for online and offline media marketing spend and we compete with these and other companies in attracting consumers to our websites. To the extent that dealers view alternative marketing and media strategies to be superior to our marketplaces, we may not be able to maintain or grow the number of dealers subscribing to, and advertising on, our marketplaces, and our business and financial results may be adversely affected. We also expect that new competitors will continue to enter the online automotive retail and wholesale industries with competing marketplaces, products, and services, and that existing competitors will expand to offer competing products or services, which could have an adverse effect on our business and financial results.

Our competitors could significantly impede our ability to expand the number of dealers using our marketplaces or could offer discounts that could significantly impede our ability to maintain our pricing structure. Our competitors may also develop and market new technologies that render our existing or future platforms and associated products less competitive, unmarketable, or obsolete. In addition, if our competitors develop platforms with similar or superior functionality to ours, or if our web traffic declines, we may need to decrease our subscription and advertising fees. If we are unable to maintain our current pricing structure due to competitive pressures, our revenue would likely be reduced and our financial results would be negatively affected. Furthermore, our existing and potential

57

competitors may have significantly more financial, technical, marketing, and other resources than we have, which may allow them to offer more competitive pricing and the ability to devote greater resources to the development, promotion, and support of their marketplaces, products, and services. They may also have more extensive automotive industry relationships than we have, longer operating histories, and greater name recognition. In addition, these competitors may be able to respond more quickly with technological advances and to undertake more extensive marketing or promotional campaigns than we can. To the extent that any competitor has existing relationships with dealers or auto manufacturers for marketing or data analytics solutions, those dealers and auto manufacturers may be unwilling to partner with us. If we are unable to compete with these competitors, the demand for our marketplaces and related products and services could substantially decline.

We must maintain proper and effective internal control over financial reporting and any failure to maintain the adequacy of these internal controls may adversely affect investor confidence in our company and, as a result, the value of our Class A common stock.

We are required, pursuant to Section 404 and the related rules adopted by the SEC, to furnish a report by management on, among other things, the effectiveness of our internal control over financial reporting on an annual basis. This assessment includes disclosure of any material weaknesses identified by our management in our internal control over financial reporting, such as those described above. In addition, our independent registered public accounting firm must attest to the effectiveness of our internal control over financial reporting under Section 404. Our independent registered public accounting firm may issue a report that is adverse to us in the event it is not satisfied with the level at which our controls are documented, designed or operating. We may not be able to remediate the material weakness described above and/or any future material weaknesses that may be identified, or to complete our evaluation, testing and required remediation in a timely fashion. We are also required to disclose significant changes made to our internal control procedures on a quarterly basis. Our compliance with Section 404 requires that we incur substantial accounting expense and expend significant management efforts. Any failure to maintain internal control over financial reporting could severely inhibit our ability to accurately report our financial condition or results of operations. If we are unable to assert that our internal control over financial reporting is effective or our independent registered public accounting firm is unable to express an opinion on the effectiveness of our internal control over financial reporting when it is required to issue such opinion, we could lose investor confidence in the accuracy and completeness of our financial reports, the market price of our Class A common stock could decline, and we could be subject to sanctions or investigations by Nasdaq, the SEC or other regulatory authorities. Failure to remedy the material weakness described above and/or any future material weaknesses that may be identified, or to implement or maintain other effective control systems required of public companies, could also restrict our future access to the capital markets.

We expect our results of operations to fluctuate on a quarterly and annual basis.

Our revenue and results of operations could vary significantly from period to period and may fail to match expectations as a result of a variety of factors, some of which are outside of our control, including the continued effects of the COVID-19 pandemic and other macroeconomic issues, such as the global semiconductor chip shortage. Our results may vary as a result of fluctuations in the number of dealers subscribing to our marketplaces, the size and seasonal variability of our advertisers’ marketing budgets, and the impact of vehicle arbitrations in a given quarter in connection with our IMCO product and the wholesale sale of automobiles. As a result of the potential variations in our revenue and results of operations, period-to-period comparisons may not be meaningful and the results of any one period should not be relied on as an indication of future performance. In addition, our results of operations may not meet the expectations of investors or covering analysts, which may adversely affect the trading price of our Class A common stock.

We could be subject to adverse changes in tax laws, regulations and interpretations, plus challenges to our tax positions.

We are subject to taxation in the United States and certain other jurisdictions in which we operate. Changes in applicable tax laws or regulations may be proposed or enacted that could materially and adversely affect our effective tax rate, tax payments, results of operations, financial condition and cash flows. In addition, tax laws and regulations are complex and subject to varying interpretations. There is also uncertainty over sales tax liability as a result of the U.S. Supreme Court’s decision in South Dakota v. Wayfair, Inc., which could precipitate reactions that could adversely increase our tax administrative costs and tax risk, and negatively affect our overall business, results of operations, financial condition and cash flows. We are also regularly subject to audits by tax authorities. Any adverse development or outcome in connection with any such tax audits, and any other audits or litigation, could materially and adversely impact our effective tax rate, tax payments, results of operations, financial condition and cash flows.

Confidentiality agreements may not adequately prevent disclosure of our trade secrets and other proprietary information.

In order to protect our technologies and processes, we rely in part on confidentiality agreements with our employees, independent contractors, and other advisors. These agreements may not effectively prevent disclosure of confidential information, including trade secrets, and may not provide an adequate remedy in the event of unauthorized disclosure of confidential information. To the extent that our employees, contractors, or other third parties with whom we do business use intellectual property owned by others in their work for us, disputes may arise as to the rights to related or resulting know-how and inventions. In addition, any changes in, or unexpected interpretations of, intellectual property laws may compromise our ability to enforce our trade secret and intellectual property rights. Costly and time-consuming litigation could be necessary to enforce and determine the scope of our proprietary rights, and failure to obtain or maintain protection of our trade secrets or other proprietary information could harm our business, results of operations, reputation, and competitive position.

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Item 5. Other Information.

On November 2, 2022, Yann Gellot, our Senior Vice President, Finance and Principal Accounting Officer, announced his intent to resign to pursue another career opportunity. Mr. Gellot will remain our Principal Accounting Officer through December 2, 2022, the effective date of his resignation. Additionally, on November 5, 2022, our Board of Directors designated Jason Trevisan, our Chief Executive Officer, to serve as our Principal Accounting Officer effective upon Mr. Gellot’s resignation on December 2, 2022 and until such time that we appoint a successor Principal Accounting Officer.

In satisfaction of the disclosure required under Items 401(b), (d) and (e) of Regulation S-K, or Regulation S-K, under the Securities Act of 1933, as amended, with respect to Mr. Trevisan, the section entitled “Board of Directors and Management” of our Proxy Statement filed with the SEC on April 27, 2022, is incorporated by reference herein. Since the beginning of our last fiscal year, we have not engaged in any transaction in which Mr. Trevisan had a direct or indirect material interest within the meaning of Item 404(a) of Regulation S-K.

59

Item 6. Exhibits.

The exhibits listed below are filed or incorporated by reference into this Quarterly Report.

		Incorporated by Reference
Exhibit Number	Exhibit Description	Form	File Number	Filing Date	Exhibit Number	Filed Herewith
10.1	Credit Agreement, dated September 26, 2022, by and among CarGurus, Inc., as borrower, PNC Bank, National Association, as administrative agent, collateral agent and an L/C Issuer, and the other lenders, L/C Issuers and other parties party thereto.	8-K	001-38233	September 29, 2022	10.1
10.2	First Amendment to Sublease, dated July 31, 2022, by and between CarGurus, Inc. and HubSpot, Inc.					X
31.1	Certification of Principal Executive Officer and Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.					X
32.1*	Certification of Principal Executive Officer and Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.					X
101.INS	Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded with the Inline XBRL document.
101.SCH	Inline XBRL Taxonomy Extension Schema Document.					X
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document.					X
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document.					X
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document.					X
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document.					X
104	The cover page from the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2022, formatted in Inline XBRL.					X

* The certification furnished in Exhibit 32.1 hereto is deemed to accompany this Quarterly Report and will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, except to the extent that the registrant specifically incorporates it by reference.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	CarGurus, Inc.
Date: November 8, 2022	By:	/s/ Jason Trevisan
		Jason Trevisan
		Chief Executive Officer (Principal Executive Officer and Principal Financial Officer)

61

EX-10.2

EXHIBIT 10.2

FIRST AMENDMENT TO SUBLEASE

This FIRST AMENDMENT TO SUBLEASE (this “Amendment”) is entered into this 31st day of July, 2022 (the “Effective Date”) by and between HUBSPOT, INC., a Delaware corporation (“Sublandlord”), and CARGURUS, INC., a Delaware corporation (“Subtenant”).

RECITALS:

A. WHEREAS, Sublandlord and Subtenant entered into that certain Sublease dated October 6, 2021 (the “Sublease”) whereby Subtenant leases from Sublandlord certain premises consisting of approximately 48,059 rentable square feet located on the fourth (4th) floor of the building commonly known as Two Canal Park, Cambridge, Massachusetts; and

B. WHEREAS, Sublandlord and Subtenant desire to amend the Sublease on the terms and conditions set forth herein.

AGREEMENT:

NOW, THEREFORE, in consideration of the premises contained herein and other good and valuable consideration, the receipt of which is hereby acknowledged, the parties agree as follows:

1. Sublease Term. The Sublease Term is hereby extended by five (5) months and shall now expire on April 30, 2024 or upon expiration or earlier termination of the Lease (the “Sublease Expiration Date”).

2. Extension Option. So long as there exists no default either at the time of exercise or on the first day of the Extension Term (as hereinafter defined) and Subtenant has not assigned the Sublease in whole or in part or sublet the Subleased Premises in whole or in part, Subtenant shall have the option to further extend the Sublease Term for three (3) additional months (the “Extension Term”) upon written notice to Sublandlord given not later than December 31, 2022. If Subtenant fails to exercise its option to further extend the Sublease Term by such date, then Subtenant’s option to further extend the Sublease Term shall automatically lapse and be of no further force or effect. If Subtenant exercises the option granted hereunder, the Extension Term shall be upon the same terms and conditions as are in effect under the Sublease, as amended, immediately preceding the commencement of such Extension Term, and Subtenant shall have no further right or option to extend the Sublease Term.

3. Master Landlord Consent to Amend. This Amendment is subject to and conditioned upon Sublandlord obtaining the written consent of Master Landlord hereto. Notwithstanding anything in this Amendment to the contrary, this Amendment shall be of no force or effect whatsoever, or be binding in any way, unless and until Master Landlord has given its written consent to this Amendment in accordance with the terms of the Master Lease.

4. No Brokers. Each party represents to the other that it has not dealt with any real estate broker, finder or other person with respect to this Amendment in any manner. Each party shall hold harmless the other party from all damages resulting from any claims that may be asserted against the other party by any broker, finder or other person with whom the indemnifying party has or purportedly has dealt.

5. Capitalized Terms. All capitalized terms used in the Amendment that are not defined in this Amendment shall have the meanings ascribed to such terms in the Sublease. In the event of any conflict between the terms of the Sublease and the terms of this Amendment, the definitions set forth in this Amendment shall control.

6. Ratified. Other than as expressly set forth herein, the terms and provisions of the Sublease are hereby ratified, confirmed and shall remain unmodified and in full force and effect.

[Signatures commence on following page]

EXECUTED as an instrument under seal as of the Effective Date.

SUBLANDLORD:

HUBSPOT, INC.,

a Delaware corporation

By: /s/ John Kelleher

Name: John Kelleher

Title: General Counsel

SUBTENANT:

CARGURUS, INC.,

a Delaware corporation

By: /s/ Jason Trevisan

Name: Jason Trevisan

Title: CEO

CONSENT TO FIRST AMENDMENT TO SUBLEASE

This CONSENT TO FIRST AMENDMENT TO SUBLEASE (the “Consent”) dated this 7th day of September, 2022 (the “Effective Date”), is made by and among TWO CANAL PARK MASSACHUSETTS, LLC, a Delaware limited liability company (the “Landlord”), HUBSPOT, INC., a Delaware corporation (the “Tenant”), and CARGURUS, INC., a Delaware corporation (the “Subtenant”).

RECITALS:

A. WHEREAS, Landlord, Tenant and Subtenant entered into that certain Consent to Sublease dated October 6, 2021 pursuant to which Landlord consented to that certain Sublease by and between Tenant and Subtenant for premises consisting of approximately 48,059 rentable square feet located on the fourth (4th) floor of the building commonly known as Two Canal Park, Cambridge, Massachusetts; and

B. WHEREAS, Tenant and Subtenant desire to amend the Sublease pursuant to the First Amendment to Sublease dated July 31, 2022, a copy of which is attached hereto as Exhibit A; and

C. WHEREAS, Tenant has requested Landlord’s consent to such First Amendment to Sublease and Landlord is willing to consent to the First Amendment to Sublease subject to the terms and conditions set forth herein.

AGREEMENT:

NOW THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties agree as follows:

1. Consent to Amendment to Sublease. The Landlord hereby consents to the First Amendment to Sublease, pursuant to which (a) the term of the Sublease (the “Sublease Term”) shall be extended by five (5) months and shall expire on April 30, 2024 or upon expiration or earlier termination of the Lease (the “Sublease Expiration Date”) and (b) Subtenant shall have an option to further extend the Sublease Term for an additional three (3) months, exercisable by notice to Tenant, in which event the Sublease Expiration Date shall be further extended to July 31, 2024.

2. Broker’s Fee. Tenant and Subtenant agree to indemnify and hold Landlord harmless from and against any loss, cost, expense, damage or liability, including reasonable attorneys’ fees, incurred as a result of a claim by any person or entity that it is entitled to a commission, finder’s fee or like payment in connection with the First Amendment to Sublease.

3. Ratified. Other than as expressly set forth herein, the terms and provisions of the Consent to Sublease are hereby ratified, confirmed and shall remain unmodified and in full force and effect.

[SIGNATURE PAGE TO FOLLOW]

IN WITNESS WHEREOF, the undersigned have executed this Consent as of the Effective Date.

LANDLORD:

TWO CANAL PARK MASSACHUSETTS, LLC,

a Delaware limited liability company

By: Bay State REIT, LLC

a Delaware limited liability company, its Manager

By: U.S. Real Estate Investment Fund REIT, Inc.

a Delaware corporation, its Manager

By: /s/ Thomas Taranto

Name: Thomas Taranto

Title: Vice President

TENANT:

HUBSPOT, INC.,

a Delaware corporation

By: /s/ John Kelleher

Name: John Kelleher

Title: General Counsel

SUBTENANT:

CARGURUS, INC.,

a Delaware corporation

By: /s/ Jason Trevisan

Name: Jason Trevisan

Title: CEO

EXHIBIT “A” TO CONSENT TO FIRST AMENDMENT TO SUBLEASE

THE FIRST AMENDMENT TO SUBLEASE

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO

RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Jason Trevisan, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of CarGurus, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: November 8, 2022	By:	/s/ Jason Trevisan
		Jason Trevisan
		Chief Executive Officer (Principal Executive Officer and Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of CarGurus, Inc. (the “Company”) for the period ending September 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Jason Trevisan, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, based on my knowledge:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 8, 2022	By:	/s/ Jason Trevisan
		Jason Trevisan
		Chief Executive Officer (Principal Executive Officer and Principal Financial Officer)

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2022	Nov. 03, 2022
Document And Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Entity Registrant Name	CARGURUS, INC.
Trading Symbol	CARG
Entity Central Index Key	0001494259
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Current Reporting Status	Yes
Entity File Number	001-38233
Entity Tax Identification Number	04-3843478
Entity Address, Address Line One	2 Canal Park
Entity Address, Address Line Two	4th Floor
Entity Address, City or Town	Cambridge
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02141
City Area Code	617
Local Phone Number	354-0068
Entity Interactive Data Current	Yes
Document Quarterly Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	DE
Title of 12(b) Security	Class A Common Stock, par value $0.001 per share
Security Exchange Name	NASDAQ
Class A Common Stock
Document And Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		102,936,206
Class B Common Stock
Document And Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		15,999,173

XML

Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 404,429	$ 231,944
Investments		90,000
Accounts receivable, net of allowance for doubtful accounts of $1,122 and $420, respectively	120,059	189,324
Inventory	28,166	19,656
Prepaid expenses, prepaid income taxes and other current assets	29,647	16,430
Deferred contract costs	8,039	9,045
Restricted cash	13,506	6,709
Total current assets	603,846	563,108
Property and equipment, net	36,833	32,210
Intangible assets, net	60,535	83,915
Goodwill	156,216	158,287
Operating lease right-of-use assets	55,793	60,609
Restricted cash	9,376	9,627
Deferred tax assets	44,008	13,378
Deferred contract costs, net of current portion	7,298	5,867
Other non-current assets	8,950	4,573
Total assets	982,855	931,574
Current liabilities
Accounts payable	67,149	66,153
Accrued expenses, accrued income taxes and other current liabilities	56,970	78,586
Deferred revenue	12,737	12,784
Operating lease liabilities	12,025	13,186
Total current liabilities	148,881	170,709
Operating lease liabilities	52,942	57,519
Deferred tax liabilities	23	58
Other non–current liabilities	30,466	23,639
Total liabilities	232,312	251,925
Commitments and contingencies (Note 8)
Redeemable noncontrolling interest	172,612	162,808
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued and outstanding
Additional paid-in capital	418,013	387,868
Retained earnings	163,796	129,258
Accumulated other comprehensive loss	(3,997)	(403)
Total stockholders’ equity	577,931	516,841
Total liabilities, redeemable noncontrolling interest and stockholders’ equity	982,855	931,574
Class A Common Stock
Stockholders’ equity:
Common stock	103	102
Class B Common Stock
Stockholders’ equity:
Common stock	$ 16	$ 16

XML

Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Allowance for doubtful accounts	$ 1,122	$ 420
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Class A Common Stock
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	102,903,347	101,773,034
Common stock, shares outstanding	102,903,347	101,773,034
Class B Common Stock
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	15,999,173	15,999,173
Common stock, shares outstanding	15,999,173	15,999,173

XML

Unaudited Condensed Consolidated Income Statements - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue		$ 426,454	$ 222,915	$ 1,368,291	$ 612,031
Cost of revenue	[1]	275,669	60,033	847,780	134,408
Gross profit		150,785	162,882	520,511	477,623
Operating expenses:
Sales and marketing		83,319	66,626	266,505	200,935
Product, technology, and development		30,208	26,539	92,215	79,333
General and administrative		4,760	20,414	71,395	67,095
Depreciation and amortization		3,842	9,227	11,539	25,916
Total operating expenses		122,129	122,806	441,654	373,279
Income from operations		28,656	40,076	78,857	104,344
Other income (expense), net		200	143	(75)	426
Income before income taxes		28,856	40,219	78,782	104,770
Provision for income taxes		10,032	10,952	23,059	28,556
Consolidated net income		18,824	29,267	55,723	76,214
Net (loss) income attributable to redeemable noncontrolling interest		(1,576)	68	(3,871)	(3,398)
Net income attributable to CarGurus, Inc.		20,400	29,199	59,594	79,612
Accretion of redeemable noncontrolling interest to redemption value		(86,564)		25,056
Net income attributable to common stockholders - basic		$ 106,964	$ 29,199	$ 34,538	$ 79,612
Net income per share attributable to common stockholders: (Note 10)
Basic		$ 0.90	$ 0.25	$ 0.29	$ 0.68
Diluted		$ 0.14	$ 0.24	$ 0.28	$ 0.66
Weighted-average number of shares of common stock used in computing net income per share attributable to common stockholders:
Basic		118,683,642	117,412,164	118,370,925	116,955,188
Diluted		132,243,636	120,438,373	122,159,270	119,051,228
Marketplace [Member]
Revenue		$ 165,309	$ 159,925	$ 492,524	$ 476,183
Cost of revenue	[1]	14,956	11,687	40,422	33,986
Wholesale [Member]
Revenue		47,045	45,215	213,976	112,532
Cost of revenue	[1]	41,789	28,992	146,489	75,344
Product [Member]
Revenue		214,100	17,775	661,791	23,316
Cost of revenue	[1]	$ 218,924	$ 19,354	$ 660,869	$ 25,078

[1] Includes depreciation and amortization expense for the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021 of $7,341, $1,429, $22,063 and $3,571, respectively.

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Unaudited Condensed Consolidated Income Statements (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Depreciation and amortization expense	$ 7,341	$ 1,429	$ 22,063	$ 3,571

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Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 18,824	$ 29,267	$ 55,723	$ 76,214
Other comprehensive income:
Foreign currency translation adjustment	(1,519)	(738)	(3,594)	(1,573)
Consolidated comprehensive income	17,305	28,529	52,129	74,641
Comprehensive (loss) income attributable to redeemable noncontrolling interests	(1,576)	68	(3,871)	(3,398)
Comprehensive income attributable to CarGurus, Inc.	$ 18,881	$ 28,461	$ 56,000	$ 78,039

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Unaudited Condensed Consolidated Statements of Redeemable Noncontrolling Interest and Stockholders' Equity - USD ($) $ in Thousands	Total	Class A Common Stock	Class B Common Stock	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2020	$ 373,586			$ 94	$ 19	$ 242,181	$ 129,412	$ 1,880
Beginning balance, Shares at Dec. 31, 2020				94,310,309	19,076,500
Net (loss) income	22,361						22,361
Redeemable Noncontrolling Interest, Net income (loss)	(2,810)
Stock–based compensation expense	14,929					14,929
Issuance of common stock upon exercise of stock options	258					258
Issuance of common stock upon exercise of stock options, Shares				93,455
Issuance of common stock upon vesting of restricted stock units				$ 1		(1)
Issuance of common stock upon vesting of restricted stock units, Shares				473,883
Payment of withholding taxes on net share settlements of equity awards	(5,041)					(5,041)
Payment of withholding taxes on net share settlements of equity awards, Shares				(162,950)
Conversion of common stock				$ 1	$ (1)
Conversion of common stock, shares issued				929,597	(929,597)
Issuance of common stock upon for acquisition	103,645			$ 3		103,642
Issuance of common stock upon for acquisition, Shares				3,115,282
Acquisition of a 51% interest in CarOffer, LLC	58,031
Foreign currency translation adjustment	(1,083)							(1,083)
Ending balance at Mar. 31, 2021	508,655			$ 99	$ 18	355,968	151,773	797
Redeemable Noncontrolling Interest, Ending balance at Mar. 31, 2021	55,221
Ending balance, Shares at Mar. 31, 2021				98,759,576	18,146,903
Beginning balance at Dec. 31, 2020	373,586			$ 94	$ 19	242,181	129,412	1,880
Beginning balance, Shares at Dec. 31, 2020				94,310,309	19,076,500
Net (loss) income	79,612
Payment of withholding taxes on net share settlements of equity awards, Shares		(404,626)
Foreign currency translation adjustment	(1,573)
Ending balance at Sep. 30, 2021	589,256			$ 101	$ 16	379,808	209,024	307
Redeemable Noncontrolling Interest, Ending balance at Sep. 30, 2021	54,633
Ending balance, Shares at Sep. 30, 2021				101,003,874	16,470,842
Beginning balance at Mar. 31, 2021	508,655			$ 99	$ 18	355,968	151,773	797
Redeemable Noncontrolling Interest, Beginning balance at Mar. 31, 2021	55,221
Beginning balance, Shares at Mar. 31, 2021				98,759,576	18,146,903
Net (loss) income	28,052						28,052
Redeemable Noncontrolling Interest, Net income (loss)	(656)
Stock–based compensation expense	15,253					15,253
Issuance of common stock upon exercise of stock options	140					140
Issuance of common stock upon exercise of stock options, Shares				36,027
Issuance of common stock upon vesting of restricted stock units, Shares				391,468
Payment of withholding taxes on net share settlements of equity awards	(3,167)					(3,167)
Payment of withholding taxes on net share settlements of equity awards, Shares				(126,703)
Foreign currency translation adjustment	248							248
Ending balance at Jun. 30, 2021	549,181			$ 99	$ 18	368,194	179,825	1,045
Redeemable Noncontrolling Interest, Ending balance at Jun. 30, 2021	54,565
Ending balance, Shares at Jun. 30, 2021				99,060,368	18,146,903
Net (loss) income	29,199						29,199
Redeemable Noncontrolling Interest, Net income (loss)	68
Stock–based compensation expense	14,581					14,581
Issuance of common stock upon exercise of stock options	139					139
Issuance of common stock upon exercise of stock options, Shares				43,909
Issuance of common stock upon vesting of restricted stock units, Shares				338,509
Payment of withholding taxes on net share settlements of equity awards	(3,106)					(3,106)
Payment of withholding taxes on net share settlements of equity awards, Shares		(114,973)		(114,973)
Conversion of common stock				$ 2	$ (2)
Conversion of common stock, shares issued				1,676,061	(1,676,061)
Foreign currency translation adjustment	(738)							(738)
Ending balance at Sep. 30, 2021	589,256			$ 101	$ 16	379,808	209,024	307
Redeemable Noncontrolling Interest, Ending balance at Sep. 30, 2021	54,633
Ending balance, Shares at Sep. 30, 2021				101,003,874	16,470,842
Beginning balance at Dec. 31, 2021	516,841			$ 102	$ 16	387,868	129,258	(403)
Redeemable Noncontrolling Interest, Beginning balance at Dec. 31, 2021	162,808
Beginning balance, Shares at Dec. 31, 2021		101,773,034	15,999,173	101,773,034	15,999,173
Net (loss) income	19,910						19,910
Redeemable Noncontrolling Interest, Net income (loss)	(1,072)
Stock–based compensation expense	15,353					15,353
Issuance of common stock upon exercise of stock options	680					680
Issuance of common stock upon exercise of stock options, Shares				74,163
Redeemable noncontrolling interest , accretion to redemption value	82,000
Accretion of redeemable noncontrolling interest to redemption value	(82,000)						(82,000)
Issuance of common stock upon vesting of restricted stock units, Shares				451,084
Payment of withholding taxes on net share settlements of equity awards	(5,430)					(5,430)
Payment of withholding taxes on net share settlements of equity awards, Shares				(155,736)
Tax distribution to redeemable noncontrolling interest holders	(3,986)
Foreign currency translation adjustment	(489)							(489)
Ending balance at Mar. 31, 2022	464,865			$ 102	$ 16	398,471	67,168	(892)
Redeemable Noncontrolling Interest, Ending balance at Mar. 31, 2022	239,750
Ending balance, Shares at Mar. 31, 2022				102,142,545	15,999,173
Beginning balance at Dec. 31, 2021	516,841			$ 102	$ 16	387,868	129,258	(403)
Redeemable Noncontrolling Interest, Beginning balance at Dec. 31, 2021	162,808
Beginning balance, Shares at Dec. 31, 2021		101,773,034	15,999,173	101,773,034	15,999,173
Net (loss) income	59,594
Payment of withholding taxes on net share settlements of equity awards, Shares		(531,318)
Foreign currency translation adjustment	(3,594)
Ending balance at Sep. 30, 2022	577,931			$ 103	$ 16	418,013	163,796	(3,997)
Redeemable Noncontrolling Interest, Ending balance at Sep. 30, 2022	172,612
Ending balance, Shares at Sep. 30, 2022		102,903,347	15,999,173	102,903,347	15,999,173
Beginning balance at Mar. 31, 2022	464,865			$ 102	$ 16	398,471	67,168	(892)
Redeemable Noncontrolling Interest, Beginning balance at Mar. 31, 2022	239,750
Beginning balance, Shares at Mar. 31, 2022				102,142,545	15,999,173
Net (loss) income	19,284						19,284
Redeemable Noncontrolling Interest, Net income (loss)	(1,223)
Stock–based compensation expense	14,697					14,697
Issuance of common stock upon exercise of stock options	25					25
Issuance of common stock upon exercise of stock options, Shares				23,240
Redeemable noncontrolling interest , accretion to redemption value	29,620
Accretion of redeemable noncontrolling interest to redemption value	(29,620)						(29,620)
Issuance of common stock upon vesting of restricted stock units, Shares				447,555
Payment of withholding taxes on net share settlements of equity awards	(5,830)					(5,830)
Payment of withholding taxes on net share settlements of equity awards, Shares				(147,533)
Tax distribution to redeemable noncontrolling interest holders	(3,642)
Foreign currency translation adjustment	(1,586)							(1,586)
Ending balance at Jun. 30, 2022	461,835			$ 102	$ 16	407,363	56,832	(2,478)
Redeemable Noncontrolling Interest, Ending balance at Jun. 30, 2022	264,505
Ending balance, Shares at Jun. 30, 2022				102,465,807	15,999,173
Net (loss) income	20,400						20,400
Redeemable Noncontrolling Interest, Net income (loss)	(1,576)
Stock–based compensation expense	14,910					14,910
Issuance of common stock upon exercise of stock options	14					14
Issuance of common stock upon exercise of stock options, Shares				21,600
Redeemable noncontrolling interest , accretion to redemption value	(86,564)
Accretion of redeemable noncontrolling interest to redemption value	86,564						86,564
Issuance of common stock upon vesting of restricted stock units				$ 1		(1)
Issuance of common stock upon vesting of restricted stock units, Shares				643,989
Payment of withholding taxes on net share settlements of equity awards	(4,273)					(4,273)
Payment of withholding taxes on net share settlements of equity awards, Shares		(228,049)		(228,049)
Tax distribution to redeemable noncontrolling interest holders	(3,753)
Foreign currency translation adjustment	(1,519)							(1,519)
Ending balance at Sep. 30, 2022	577,931			$ 103	$ 16	$ 418,013	$ 163,796	$ (3,997)
Redeemable Noncontrolling Interest, Ending balance at Sep. 30, 2022	$ 172,612
Ending balance, Shares at Sep. 30, 2022		102,903,347	15,999,173	102,903,347	15,999,173

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Unaudited Condensed Consolidated Statements of Redeemable Noncontrolling Interest and Stockholders' Equity (Parenthetical)	Sep. 30, 2022	Mar. 31, 2021	Jan. 14, 2021
Car Offer
Business acquisition, percentage of interest acquired	51.00%	51.00%	51.00%

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Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating Activities
Consolidated net income	$ 55,723	$ 76,214
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	33,602	29,487
Currency loss (gain) on foreign denominated transactions	617	(72)
Deferred taxes	(30,665)	5,774
Provision for doubtful accounts	1,129	727
Stock-based compensation expense	41,550	42,551
Amortization of deferred financing costs	7
Amortization of deferred contract costs	8,332	9,643
Impairment of website development costs		2,351
Changes in operating assets and liabilities:
Accounts receivable, net	63,484	(51,595)
Inventory	(8,510)	(4,057)
Prepaid expenses, prepaid income taxes, and other assets	(14,675)	(2,970)
Deferred contract costs	(9,089)	(6,522)
Accounts payable	1,310	24,548
Accrued expenses, accrued income taxes, and other liabilities	18,924	4,808
Deferred revenue	(20)	3,390
Lease obligations	(916)	786
Net cash provided by operating activities	160,803	135,063
Investing Activities
Purchases of property and equipment	(4,168)	(4,935)
Capitalization of website development costs	(8,275)	(4,145)
Cash paid for acquisitions, net of cash acquired		(64,273)
Investments in certificates of deposit		(90,000)
Maturities of certificates of deposit	90,000	100,000
Net cash (used in) provided by investing activities	77,557	(63,353)
Financing Activities
Proceeds from exercise of stock options	719	537
Payment of finance lease obligations	(51)	(29)
Payment of withholding taxes on net share settlement of equity awards	(14,171)	(11,314)
Repayment of line of credit		(14,250)
Payment of deferred financing costs	(2,578)
Payment of tax distributions to redeemable noncontrolling interest holders	(19,843)
Payments made to third party payment processor	(21,765)
Net cash used in financing activities	(57,689)	(25,056)
Impact of foreign currency on cash, cash equivalents, and restricted cash	(1,640)	(359)
Net increase in cash, cash equivalents, and restricted cash	179,031	46,295
Cash, cash equivalents, and restricted cash at beginning of period	248,280	200,926
Cash, cash equivalents, and restricted cash at end of period	427,311	247,221
Supplemental disclosure of cash flow information:
Cash paid for income taxes	53,249	21,798
Cash paid for operating lease liabilities	13,535	12,320
Cash paid for interest	25
Supplemental noncash disclosure of cash flow information:
Unpaid purchases of property and equipment, capitalized website development, capitalized internal-use software and capitalized hosting arrangements	224	504
Capitalized stock-based compensation expense in website development and internal-use software costs and hosting arrangements	3,410	2,212
Obtaining a right-of-use asset in exchange for a finance lease liability		664
Obtaining a right-of-use asset in exchange for an operating lease liability	5,307	12,336
Issuance of stock for acquisition		$ 103,645
Accretion of Redeemable Noncontrolling Interest to Redemption Value	25,056
Accrued tax distributions to redeemable noncontrolling interest holders	$ 239

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Organization and Business Description

9 Months Ended

Sep. 30, 2022

Accounting Policies [Abstract]

Organization and Business Description

1. Organization and Business Description

CarGurus, Inc. (the “Company”) is a multinational, online automotive platform for buying and selling vehicles that is building upon its industry-leading listings marketplace with both digital retail solutions and the CarOffer online wholesale platform. The CarGurus marketplace gives consumers the confidence to purchase or sell a vehicle either online or in-person, and it gives dealerships the power to accurately price, effectively market, instantly acquire and quickly sell vehicles, all with a nationwide reach. The Company uses proprietary technology, search algorithms and data analytics to bring trust, transparency and competitive pricing to the automotive shopping experience.

The Company is headquartered in Cambridge, Massachusetts and was incorporated in the State of Delaware on June 26, 2015.

The Company operates principally in the United States. In the United States, it also operates as independent brands the Autolist online marketplace, which it wholly owns, and the CarOffer, LLC (“CarOffer”) digital wholesale marketplace, in which it has a 51% interest. In addition to the United States, the Company operates online marketplaces under the CarGurus brand in Canada and the United Kingdom. In the United Kingdom, it also operates as an independent brand the PistonHeads online marketplace, which it wholly owns.

The Company has subsidiaries in the United States, Canada, Ireland, and the United Kingdom and, prior to the first quarter of 2022, had two reportable segments – United States and International. Effective as of the first quarter of 2022, the Company revised its segment reporting from two reportable segments to one reportable segment. See Note 12 of the Unaudited Condensed Consolidated Financial Statements included elsewhere in this Quarterly Report for further segment reporting and geographical information.

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2022

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

Basis of Presentation

The accompanying interim condensed consolidated financial statements (the “Unaudited Condensed Consolidated Financial Statements”) are unaudited. The Unaudited Condensed Consolidated Financial Statements and related disclosures have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”). Any reference in these notes to applicable guidance is meant to refer to GAAP as found in the Accounting Standards Codification (“ASC”) and Accounting Standards Update (“ASU”) of the Financial Accounting Standards Board (“FASB”).

The Unaudited Condensed Consolidated Financial Statements have also been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Accordingly, certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. The Unaudited Condensed Consolidated Financial Statements reflect all adjustments, consisting of only normal recurring adjustments, necessary for the fair presentation of the Company’s financial position as of September 30, 2022 and December 31, 2021, results of operations, comprehensive income, and changes in shareholders’ equity for the three and nine months ended September 30, 2022 and 2021 and cash flows for the nine months ended September 30, 2022 and 2021. These interim period results are not necessarily indicative of the results to be expected for any other interim period or the full year.

The Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC on February 25, 2022 (the “Annual Report”).

While the Company disclosed total revenue in the Unaudited Condensed Consolidated Income Statements in the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2021, filed with the SEC on November 9, 2021, the accompanying Unaudited Condensed Consolidated Income Statements for the three and nine months ended September 30, 2021 presents revenues disaggregated into marketplace, wholesale, and product revenues to conform to the current year presentation, as a result of the acquisition of a 51% interest in CarOffer.

Principles of Consolidation

The accompanying Unaudited Condensed Consolidated Financial Statements include the accounts of the Company and its subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

Subsequent Event Considerations

The Company considers events or transactions that occur after the balance sheet date but prior to the issuance of the financial statements to provide additional evidence for certain estimates or to identify matters that require additional disclosure. The Company has evaluated all subsequent events and determined that there are no material recognized or unrecognized subsequent events requiring disclosure, other than those disclosed in Note 13 of these Unaudited Condensed Consolidated Financial Statements.

Use of Estimates

The preparation of the Unaudited Condensed Consolidated Financial Statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting period.

Although the Company regularly assesses these estimates, actual results could differ materially from these estimates. The Company bases its estimates on historical experience and various other assumptions that it believes to be reasonable under the circumstances. Actual results may differ from management’s estimates if these results differ from historical experience, or other assumptions do not turn out to be substantially accurate, even if such assumptions are reasonable when made. Changes in estimates are recognized in the period in which they become known.

Critical estimates relied upon in preparing the Unaudited Condensed Consolidated Financial Statements include the determination of sales allowance and variable consideration in the Company’s revenue recognition, allowance for doubtful accounts, the impairment of long-lived assets, the capitalization of product, technology, and development costs for website development, internal-use software and hosting arrangements, the valuation of acquired assets and liabilities, the valuation and recoverability of intangible assets and goodwill, the valuation of redeemable noncontrolling interest, the recoverability of the Company’s net deferred tax assets and related valuation allowance, the valuation of inventory, and the valuation of equity and liability-classified compensation awards under ASC Topic 718, Stock-based Compensation (“ASC 718”). Accordingly, the Company considers these to be its critical accounting estimates, and believes that of the Company’s significant accounting policies, these policies involve the greatest degree of judgment and complexity.

Concentration of Credit Risk

The Company has no significant off-balance sheet risk, such as foreign exchange contracts, option contracts, or other foreign hedging arrangements. Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash, cash equivalents, investments, and trade accounts receivable.

The Company maintains its cash, cash equivalents, and investments principally with accredited financial institutions of high credit standing. Although the Company deposits its cash, cash equivalents, and investments with multiple financial institutions, its deposits may often exceed governmental insured limits.

The Company is exposed to credit losses primarily through its trade accounts receivable, which includes receivables in transit from a third-party payment processor. The third-party payment processor collects customer payments on the Company's behalf and remits them to the Company. Customer payments received, but not remitted as of period end are deemed to be receivables in transit. Additionally, the third-party payment processor provides payments in advance for certain selling dealers. If the third-party payment processor does not receive buying dealer payments associated with the transaction paid in advance, the Company would guarantee losses incurred by the third-party payment processor and the balance would be deducted from future remittances to the Company. To date, losses associated with these guarantees have not been material. Payments received in advance are presented as cash flows from financing activities in the Unaudited Condensed Consolidated Statements of Cash Flows.

The Company offsets gross trade accounts receivable with payments received in advance from the third-party payment processor as it has the right of offset. At any point in time, the Company could have amounts due from the third-party payment processor for funds the third-party payment processor has collected from buying dealers and has not yet remitted to the Company, as well as amounts paid by the third-party payment processor to the Company in advance of collecting payments from buying dealers. Therefore, as the Company has the right to offset, the Company can either have a net receivable balance due from the third-party payment processor which is recognized within accounts receivable, or the Company can have a net liability which is recognized within accrued expenses if the advance payments exceed the receivable position from the third-party payment processor as of the balance sheet date.

As of September 30, 2022, gross trade accounts receivable from receivables in transit from the third-party payment processor was $23,310, offset by payments received in advance of $25,058, which resulted in a net liability of $1,748 recognized within accrued expenses, accrued income taxes and other current liabilities in the Unaudited Condensed Consolidated Balance Sheets. As of December 31, 2021, gross trade accounts receivable from receivables in transit from the third-party payment processor was $18,747, offset by payments received in advance of $46,822, which resulted in a net liability of $28,075 recognized within accrued expenses, accrued income taxes and other current liabilities in the Unaudited Condensed Consolidated Balance Sheets.

The Company routinely assesses the creditworthiness of its customers and does not require collateral. The Company generally has not experienced any material losses related to receivables from individual customers, or groups of customers. The majority of the Company's accounts receivable results from a third-party payment processor for wholesale and product revenue transactions. The Company has had no material losses related to wholesale and product receivables as it does not release title to the vehicle until successfully collecting funds from the buying dealer. Due to these factors, no additional credit risk beyond amounts provided for collection losses is believed by management to be probable in the Company’s accounts receivable.

As of September 30, 2022, one customer accounted for 16% of net accounts receivable. As of December 31, 2021, two customers accounted for 47% and 18% of net accounts receivable, respectively. Although 16% of net accounts receivable was attributable to one customer as of September 30, 2022 and 47% and 18% of net accounts receivable was attributable to two customers as of December 31, 2021, the remainder of the accounts receivable was dispersed among more than 1,000 customers. These customers who account for greater than 10% of net accounts receivable are related to wholesale and product receivables. Because the Company does not release title on vehicles until funds are successfully collected as discussed above, there is no significant credit risk associated with these customers. Other than the receivables associated with these customers discussed above, credit risk with respect to accounts receivable is dispersed due to the large number of customers.

As of September 30, 2022 and December 31, 2021, $6,199 and $7,356, respectively, was included in net accounts receivable, representing unbilled accounts receivable relating primarily to advertising customers invoiced in the period subsequent to services rendered.

For the three and nine months ended September 30, 2022 and 2021, no individual customer accounted for more than 10% of total revenue.

Significant Accounting Policies

The Unaudited Condensed Consolidated Financial Statements reflect the application of certain significant accounting policies as described below and elsewhere in these notes to the Unaudited Condensed Consolidated Financial Statements. As of September 30, 2022, there have been no material changes in the Company’s significant accounting policies, which are detailed in the Annual Report, other than as described below.

Stock-Based Compensation

During the three months ended June 30, 2022, the Company refined its model for determining the fair value of liability-classified awards as a result of obtaining gross profit actuals through the trailing twelve-month ended June 30, 2022 measuring period. The fair value is now determined using a Monte Carlo simulation model, instead of using the previous Least Square Monte Carlo simulation model. The determination of the fair value is affected by CarOffer’s equity value, EBITDA, Excess Parent Capital (as defined in the CarOffer Operating Agreement), and revenue forecasts that drive the exercise price of future call/put rights, as well as a number of assumptions including market price of risk, volatility, correlation, and risk-free interest rate. Liability-classified awards are remeasured to fair value each period until settlement.

As disclosed in the Company's Current Report on Form 8-K filed with the SEC on September 29, 2022, the Company determined not to exercise the Company's call right to acquire up to an additional 25% of the fully diluted capitalization of CarOffer. The valuation of these liability awards continues to be valued using a Monte Carlo simulation and is now derived from the Company’s 2024 call right and CarOffer’s 2024 put right.

Deferred Financing Costs

The Company capitalizes certain legal and other third-party fees that are directly associated with obtaining access to capital via credit facilities. Deferred financing costs incurred in connection with obtaining access to capital are recognized within other non-current assets in the Unaudited Condensed Consolidated Balance Sheets and within financing activities in the Unaudited Condensed Consolidated Statement of Cash Flows. These costs are amortized on a straight-line basis over the term of the applicable credit facility and recognized as interest expense within other income (expense), net in the Unaudited Condensed Consolidated Income Statements and as an adjustment to consolidated net income in the Unaudited Condensed Consolidated Statement of Cash Flows.

For the three and nine months ended September 30, 2022, the Company recognized deferred financing costs of $2,578. For the three and nine months ended September 30, 2022, amortization of deferred financing costs was immaterial.

Recent Accounting Pronouncements Not Yet Adopted

From time to time, new accounting pronouncements are issued by the FASB or other standard setting bodies and adopted by the Company on or prior to the specified effective date. Unless otherwise discussed, the Company believes that the impact of recently issued standards that are not yet effective will not have a material impact on its financial position or results of operations upon adoption. As of September 30, 2022, there are no new material accounting pronouncements that the Company is considering adopting.

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Revenue Recognition

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Revenue Recognition

3. Revenue Recognition

The following table summarizes revenue from contracts with customers by product for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Marketplace	$	165,309	$	159,925	$	492,524	$	476,183
Dealer-to-Dealer		70,741		57,626		273,296		130,484
IMCO		190,404		5,364		602,471		5,364
Total	$	426,454	$	222,915	$	1,368,291	$	612,031

The Company provides disaggregation of revenue (i) based on marketplace, Dealer-to-Dealer, and CarGurus Instant Max Cash Offer (“IMCO”) products as disclosed above, (ii) based on marketplace, wholesale and product revenue sources on the face of its Unaudited Condensed Consolidated Income Statements, and (iii) based on geographic region (see Note 12). The marketplace product is included in the marketplace revenue source. The Dealer-to-Dealer and IMCO products are included in both the wholesale and product revenue sources. The Company believes these categories best depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors.

ASC Topic 606, Revenue from Contracts with Customers (“ASC 606”) requires that the Company disclose the aggregate amount of transaction price that is allocated to performance obligations that have not yet been satisfied as of the relevant quarter end.

For contracts with an original expected duration greater than one year, the aggregate amount of the transaction price allocated to the performance obligations that were unsatisfied as of September 30, 2022 was approximately $6.9 million, which the Company expects to recognize over the next 12 months.

For contracts with an original expected duration of one year or less, the Company has applied the practical expedient available under ASC 606 to not disclose the amount of transaction price allocated to unsatisfied performance obligations as of September 30, 2022. For performance obligations not satisfied as of September 30, 2022, and to which this expedient applies, the nature of the performance obligations, the variable consideration and any consideration from contracts with customers not included in the transaction price is consistent with performance obligations satisfied as of September 30, 2022.

For the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021, revenue recognized from amounts included in deferred revenue at the beginning of the period, was $15,071, $13,120, $12,784, and $9,137, respectively.

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Fair Value of Financial Instruments

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

4. Fair Value of Financial Instruments

As of September 30, 2022 and December 31, 2021, assets measured at fair value on a recurring basis consist of the following:

	As of September 30, 2022
	Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs)		Significant Other Observable Inputs (Level 2 Inputs)		Significant Unobservable Inputs (Level 3 Inputs)		Total
Cash equivalents:
Money market funds	$	273,574	$	—	$	—	$	273,574
Total	$	273,574	$	—	$	—	$	273,574

	As of December 31, 2021
	Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs)		Significant Other Observable Inputs (Level 2 Inputs)		Significant Unobservable Inputs (Level 3 Inputs)		Total
Cash equivalents:
Money market funds	$	157,525	$	—	$	—	$	157,525
Investments:
Certificates of deposit		—		90,000		—		90,000
Total	$	157,525	$	90,000	$	—	$	247,525

The Company measures eligible assets and liabilities at fair value with changes in value recognized in earnings. Fair value treatment may be elected either upon initial recognition of an eligible asset or liability or, for an existing asset or liability, if an event triggers a new basis of accounting. During the nine months ended September 30, 2022 and year ended December 31, 2021, the Company did not elect to remeasure any of its existing financial assets and liabilities and did not elect the fair value option for any financial assets transacted.

Cash and cash equivalents primarily consist of cash on deposit with banks and amounts held in interest-bearing money market accounts. Cash equivalents are carried at cost, which approximates their fair market value.

The Company considers all highly liquid investments with an original maturity of 90 days or less at the date of purchase to be cash equivalents. Investments not classified as cash equivalents with maturities one year or less from the balance sheet date are classified as short-term investments, while investments with maturities in excess of one year from the balance sheet date are classified as long-term investments. Management determines the appropriate classification of investments at the time of purchase and re-evaluates such determination at each balance sheet date. Investments are carried at cost, which approximates their fair market value.

As of September 30, 2022, the Company did not hold any investments. As of December 31, 2021, investments consist of the following:

	As of December 31, 2021
	Amortized Cost		Gross Unrealized Gains		Gross  Unrealized  Losses		Estimated Fair Value
Investments:
Certificates of deposit due in one year or less	$	90,000	$	—	$	—	$	90,000
Total	$	90,000	$	—	$	—	$	90,000

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Property and Equipment, Net

9 Months Ended

Sep. 30, 2022

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

5. Property and Equipment, Net

As of September 30, 2022 and December 31, 2021, property and equipment, net consist of the following:

	As of September 30, 2022			As of December 31, 2021
Server and computer equipment	$	8,038		$	8,349
Capitalized internal-use software		6,197			3,041
Capitalized website development		32,554			22,037
Furniture and fixtures		8,599			8,615
Leasehold improvements		24,057			24,082
Construction in progress		2,155			854
Finance lease right-of-use assets		454			556
		82,054			67,534
Less accumulated depreciation and amortization		(45,221	)		(35,324	)
Total	$	36,833		$	32,210

For the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021, depreciation and amortization expense, excluding amortization of intangible assets and amortization of capitalized hosting arrangements, was $3,514, $2,755, $10,556 and $7,068, respectively.

During the nine months ended September 30, 2022, capitalized website development increased $10,517 due to continued investment in the Company's product offerings.

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Accrued Expenses, Accrued Income Taxes and Other Current Liabilities and Other Non-Current Liabilities

9 Months Ended

Sep. 30, 2022

Payables and Accruals [Abstract]

Accrued Expenses, Accrued Income Taxes and Other Current Liabilities and Other Non-Current Liabilities

6. Accrued Expenses, Accrued Income Taxes and Other Current Liabilities and Other Non-Current Liabilities

As of September 30, 2022 and December 31, 2021, accrued expenses, accrued income taxes and other current liabilities consist of the following:

	As of September 30, 2022		As of December 31, 2021
Accrued bonus	$	5,567	$	11,777
Accrued income taxes		9,425		6,344
Accrued tax distributions to redeemable noncontrolling interest holders		239		8,701
Payments received in advance from third-party payment processor		1,748		28,075
Reserve for returns and cancellations		13,802		2,254
Other accrued expenses and other current liabilities		26,189		21,435
Total	$	56,970	$	78,586

O

The decrease of $6,210 in accrued bonus is due to the midyear payout of the fiscal year 2022 bonuses in the third quarter of 2022.

The decrease of $26,327 in the payments received in advance from third-party payment processors is due to the timing of payments remitted by the third-party.

The decrease of $8,462 in the accrued tax distributions to redeemable noncontrolling interest holders is due to cash settlement of the balance as of December 31, 2021 during the nine months ended September 30, 2022, offset by the accrual for tax distributions to noncontrolling interest holders for the estimated tax liability on their respective taxable income earned as of September 30, 2022.

The increase of $11,548 in the reserve for returns and cancellations is primarily due to increased IMCO sales volume. Upon recognizing a sales transaction, the Company estimates the amount of transaction price that will be reversed in a subsequent period and records a reserve for returns and cancellations. Actual returns and cancellations are recorded against this returns reserve as incurred.

As of September 30, 2022 and December 31, 2021, other non-current liabilities consist of the following:

	As of September 30, 2022		As of December 31, 2021
CO Incentive Unit and Subject Unit liability-classified awards	$	26,898	$	21,095
Other non-current liabilities		3,568		2,544
Total	$	30,466	$	23,639

In connection with the Company's acquisition of a 51% interest in CarOffer, the then-outstanding unvested incentive units (“CO Incentive Units”) of CarOffer and unvested Class CO CarOffer units (the “Subject Units”) remained outstanding. The increase of $5,803 related to CO Incentive Unit and Subject Unit liability-classified awards is due to continued recognition of expense over the vesting period, offset by the mark to market valuation adjustments.

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Debt

9 Months Ended

Sep. 30, 2022

Debt Disclosure [Abstract]

Debt

7. Debt

As of September 30, 2022 and December 31, 2021, the Company had no long-term debt outstanding.

Revolving Credit Facility

On September 26, 2022, the Company entered into a Credit Agreement (the “Credit Agreement”) by and among the Company, PNC Bank, National Association, as administrative agent and collateral agent and an L/C Issuer (as defined in the Credit Agreement), and the other lenders, L/C Issuers and parties thereto from time to time. The Credit Agreement consists of a revolving credit facility (the “2022 Revolver”), which allows the Company to borrow up to $400.0 million, $50.0 million of which may be comprised of a letter of credit sub-facility. The borrowing capacity under the Credit Agreement may be increased in accordance with the terms and subject to the adjustments as set forth in the Credit Agreement. For example, the borrowing capacity may be increased by an amount up to the greater of $250.0 million or 100% of Four Quarter Consolidated EBITDA (as defined in the Credit Agreement) if certain criteria are met and subject to certain restrictions. Any such increase requires lender approval. Proceeds of any borrowings may be used for general corporate purposes. The 2022 Revolver is scheduled to mature on September 26, 2027.

The applicable interest rate is, at the Company's option, based on a number of different benchmark rates and applicable spreads, as determined by the Company's Consolidated Secured Net Leverage Ratio (as defined below). The 2022 Revolver is also subject to a commitment fee with respect of the unutilized revolving commitments at a rate ranging from 0.125% to 0.175% per annum based on the ratio of the outstanding principal amount of the Company’s secured indebtedness to the trailing four quarters of consolidated EBITDA (as determined under the Credit Agreement, the “Consolidated Secured Net Leverage Ratio”).

The 2022 Revolver is secured by a first priority lien on substantially all tangible and intangible property of the Company and its subsidiary, Auto List, Inc., as well as any future guarantors, and pledges of the equity of CarOffer and certain wholly-owned subsidiaries, in each case subject to certain exceptions, limitations and exclusions from the collateral. The 2022 Revolver includes customary events of default and requires the Company to comply with customary affirmative and negative covenants, including a financial covenant requiring that the Company not exceed certain Consolidated Secured Net Leverage Ratio ranges at the end of each fiscal quarter. The Company was in compliance with all covenants as of September 30, 2022.

As of September 30, 2022, there were no borrowings and no letters of credit outstanding under the 2022 Revolver.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2022

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

8. Commitments and Contingencies

Contractual Obligations and Commitments

As of September 30, 2022, all of the Company’s property, equipment, and externally sourced internal-use software have been purchased with cash with the exception of amounts related to unpaid property and equipment, capitalized website development, capitalized internal-use software and capitalized hosting arrangements and amounts related to obligations under finance leases as disclosed in the Unaudited Condensed Consolidated Statements of Cash Flows. The Company has no material long-term purchase obligations outstanding with any vendor or third-party.

Leases

The Company’s primary operating lease obligations consist of various leases for office space in: Boston, Massachusetts; Cambridge, Massachusetts; San Francisco, California; Addison, Texas; and Dublin, Ireland.

As of September 30, 2022, there were no material changes in the Company’s leases from those disclosed in the Annual Report.

The Company’s leases in Boston, Massachusetts, Cambridge, Massachusetts and San Francisco, California have associated letters of credit, which are recognized within restricted cash in the Unaudited Condensed Consolidated Balance Sheet. As of September 30, 2022 and December 31, 2021, restricted cash was $22,882 and $16,336, respectively, and primarily related to cash held at a financial institution in an interest‑bearing cash account as collateral for the letters of credit related to the contractual provisions for the Company’s building leases and pass-through payments from customers related to the Company’s wholesale business. As of September 30, 2022 and December 31, 2021, portions of restricted cash were classified as a short-term asset and long‑term asset, as disclosed on the Unaudited Condensed Consolidated Balance Sheet.

Acquisitions

On January 14, 2021 the Company completed the acquisition of a 51% interest in CarOffer, an automated instant vehicle trade platform based in Addison, Texas, with the option to acquire portions of the remaining equity in the future. Details of this acquisition are more fully described in Note 4 to the financial statements contained within the Annual Report. As disclosed in the Company's Current Report on Form 8-K filed with the SEC on September 29, 2022, the Company determined not to exercise its call right to acquire up to an additional 25% of the fully diluted capitalization of CarOffer.

Legal Matters

From time to time the Company may become involved in legal proceedings or be subject to claims arising in the ordinary course of its business. The Company is not presently subject to any pending or threatened litigation that it believes, if determined adversely to the Company, individually, or taken together, would reasonably be expected to have a material adverse effect on its business or financial results. However, litigation is inherently unpredictable and the future outcome of legal proceedings and other contingencies may be unexpected or differ from the Company’s estimated liabilities, which could have a material adverse effect on the Company’s future financial results.

Guarantees and Indemnification Obligations

In the ordinary course of business, the Company enters into agreements with its customers, partners and service providers that include commercial provisions with respect to licensing, infringement, guarantees, indemnification, and other common provisions.

The Company provides certain guarantees to dealers through products such as its 45-Day Guarantee and OfferGuard product offerings on the CarOffer platform, which are accounted for under ASC Topic 460, Guarantees.

45-Day Guarantee is an arrangement through which a selling dealer lists a car on the CarOffer platform, and the Company provides an offer to purchase the vehicle listed at a specified price at any time over a 45-day period. This provides the seller with a put option, where they have the right, but not the obligation, to require the Company to purchase the vehicle during this window. OfferGuard is an arrangement through which a buying dealer purchases a car on the CarOffer platform, and the Company provides an offer to purchase the vehicle at a specified price between days 1 and 3, and days 42 and 45 if the dealer is not able to sell the vehicle after 42 days.

A guarantee liability is initially measured using the amount of consideration received from the dealer for the purchase of the guarantee. The initial liability is released, and guarantee income is recognized, upon the earliest of the following: the vehicle sells during the guarantee period, the seller exercises it’s put option during the guarantee period, or the option expires unexercised at the end of the guarantee period. Guarantee income is recognized within wholesale revenue in the Unaudited Condensed Consolidated Income Statements. When it is probable and reasonably estimable that the Company will incur a loss on a vehicle that it is required to purchase, a liability, and a corresponding charge to cost of sales is recognized for the amount of the loss in the Unaudited Condensed Consolidated Balance Sheets. Gains and losses resulting from the dealers exercise of guarantees are recognized within cost of sales in the Unaudited Condensed Consolidated Balance Sheets.

For the three and nine months ended September 30, 2022 and 2021 income for guarantees purchased by dealers was $2,717, $1,916, $8,329 and $4,522, respectively. For the three and nine months ended September 30, 2022 and 2021, the net loss resulting from the dealer's exercise of guarantees was $2,354, $1,074, $4,653 and $1,135, respectively.

As of September 30, 2022, the maximum potential amount of future payments that the Company could be required to make under these guarantees was $86,819. Of the maximum potential amount of future payments, none are considered probable. The exercise of guarantees has historically been infrequent and even when such exercises did occur, the losses were immaterial. As such, as of September 30, 2022, the Company had no material contingent loss liabilities.

As of December 31, 2021, the maximum potential amount of future payments that the Company could be required to make under these guarantees was $76,075. Of the maximum potential amount of future payments, none are considered probable. The exercise of guarantees has historically been infrequent and even when such exercises did occur, the losses were immaterial. As such, as of December 31, 2021, the Company had no contingent loss liabilities.

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Stock-based Compensation

9 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement [Abstract]

Stock-based Compensation

9. Stock-based Compensation

For the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021, stock compensation expense by award type and where the stock-based compensation expense was recognized in the Company’s Unaudited Condensed Consolidated Income Statements is as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022		2021
Options	$	647		$	630	$	1,937	$	1,882
Restricted stock units		13,324			13,852		39,613		41,539
CO Incentive Units and Subject Units		(20,917	)		687		5,803		9,681
Total	$	(6,946	)	$	15,169	$	47,353	$	53,102

The decreases of $21,604 for the three months ended September 30, 2022 compared to the three months ended September 30, 2021 and $3,878 for the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 in CO Incentive Units and Subject Units stock-based compensation expense was due to a decrease in fair value.

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022		2021
Cost of revenue	$	212		$	110	$	417	$	311
Sales and marketing expense		104			2,717		8,173		9,040
Product, technology, and development expense		4,201			5,583		16,720		17,585
General and administrative expense		(11,463	)		6,759		22,043		26,166
Total	$	(6,946	)	$	15,169	$	47,353	$	53,102

For the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021, excluded from stock-based compensation expense is $939, $777, $3,410, and $2,212 of capitalized website development costs, capitalized internal-use software costs and capitalized hosting arrangements, respectively.

During the three months ended September 30, 2022 and 2021 and the nine months ended September 30, 2022 and 2021, the Company withheld 228,049, 114,973, 531,318, and 404,626 shares of Class A common stock, respectively, to satisfy employee tax withholding requirements for net share settlements of equity awards. The shares withheld return to the authorized, but unissued pool under the Company's Omnibus Incentive Compensation Plan and can be reissued by the Company. For the three months ended September 30, 2022 and 2021 and for the nine months ended September 30, 2022 and 2021, total payments to satisfy employee tax withholding requirements for net share settlements of equity awards were $2,911, $3,106, $14,171, and $11,314, respectively, and are reflected as a financing activity in the Unaudited Condensed Consolidated Statements of Cash Flows.

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Earnings Per Share

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Earnings Per Share

10. Earnings Per Share

The Company has two classes of common stock authorized: Class A common stock and Class B common stock. The rights of the holders of Class A and Class B common stock are identical, except with respect to voting and conversion. Each share of Class A common stock is entitled to one vote per share and each share of Class B common stock is entitled to ten votes per share. Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder at any time or automatically upon certain events described in the Company’s amended and restated certificate of incorporation, including upon either the death or voluntary termination of the Company’s Executive Chairman. The Company allocates undistributed earnings attributable to common stock between the common stock classes on a one‑to‑one basis when computing net income per share. As a result, basic and diluted net income per share of Class A common stock and per share of Class B common stock are equivalent.

During the three and nine months ended September 30, 2022, no shares of Class B common stock were converted to Class A common stock. During the three and nine months ended September 30, 2021, holders of Class B common stock converted 1,676,061 and 2,605,658 shares of Class B common stock to Class A common stock, respectively.

Basic net income per share (“Basic EPS”) is computed by dividing consolidated net income adjusted for net (loss) income attributable to the redeemable noncontrolling interest and changes in the redemption value of redeemable noncontrolling interest, if applicable, by the weighted-average number of common shares outstanding during the reporting period. The Company computes the weighted-average number of common shares outstanding during the reporting period using the total number of shares of Class A common stock and Class B common stock outstanding as of the last day of the previous year plus the weighted-average of any additional shares issued and outstanding during the reporting period.

Diluted net income per share (“Diluted EPS”) gives effect to all potentially dilutive securities. Diluted EPS is computed by dividing consolidated net income adjusted for net (loss) income attributable to the redeemable noncontrolling interest and changes in the redemption value of redeemable noncontrolling interest, if applicable and dilutive, by the weighted-average number of common shares outstanding during the reporting period using (i) the number of shares of common stock used in the Basic EPS calculation as indicated above, (ii) if dilutive, the incremental weighted-average common stock that the Company would issue upon the exercise of stock options and the vesting of RSUs, (iii) if dilutive, market-based performance awards based on the number of shares that would be issuable as of the end of the reporting period assuming the end of the reporting period was also the end of the contingency period. The dilutive effect of these common stock equivalents is reflected in diluted earnings per share by application of the treasury stock method. The if-converted method is used to calculate the number of shares issuable upon exercise of the 2024 Put Right (as defined in Note 4 to the financial statements contained within the Annual Report), inclusive of CarOffer noncontrolling interest and incentive and subject units, that would be issuable as of the end of the reporting period assuming the end of the reporting period was also the end of the contingency period.

For the three and nine months ended September 30, 2022 and 2021, a reconciliation of the numerator and denominator used in the calculation of basic and diluted net income per share is as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022			2021
Numerator:
Consolidated net income	$	18,824		$	29,267	$	55,723		$	76,214
Net (loss) income attributable to redeemable noncontrolling interest		(1,576	)		68		(3,871	)		(3,398	)
Accretion of redeemable noncontrolling interest to redemption value		(86,564	)		—		25,056			—
Net income attributable to common stockholders — basic	$	106,964		$	29,199	$	34,538		$	79,612
Net (loss) income attributable to redeemable noncontrolling interest		(1,576	)		68		—			(588	)
Accretion of redeemable noncontrolling interest to redemption value		(86,564	)		—		—			—
Net income attributable to common stockholders — diluted	$	18,824		$	29,267	$	34,538		$	79,024
Denominator:
Weighted-average number of shares of common stock used    in computing net income per share attributable to    common stockholders — basic		118,683,642			117,412,164		118,370,925			116,955,188
Dilutive effect of share equivalents resulting from stock    options		252,048			418,054		288,523			460,553
Dilutive effect of share equivalents resulting from    unvested restricted stock units		166,415			491,175		455,857			403,967
Dilutive effect of share equivalents resulting from CarOffer    incentive units and noncontrolling interest		13,141,531			2,116,980		3,043,965			1,231,520
Weighted-average number of shares of common stock    used in computing net income per share attributable to    common stockholders — diluted		132,243,636			120,438,373		122,159,270			119,051,228
Net income per share attributable to common stockholders:
Basic	$	0.90		$	0.25	$	0.29		$	0.68
Diluted	$	0.14		$	0.24	$	0.28		$	0.66

For the three and nine months ended September 30, 2022 and 2021, potentially dilutive common stock equivalents that have been excluded from the calculation of diluted weighted-average shares outstanding as their effect would have been anti-dilutive are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Stock options outstanding		589,090		588,490		592,259		501,306
Restricted stock units outstanding		3,681,606		2,181,061		2,203,409		2,507,873
CO Incentive Units, Subject Units and noncontrolling    interest		—		—		9,001,896		—

For the three and nine months ended September 30, 2021, shares of Class A common stock potentially issuable under market-based performance awards of approximately 282,921 were excluded from the calculation of weighted average shares used to compute Diluted EPS, as the market-based vesting conditions had not been achieved as of the reporting period end date and as such there were zero contingently issuable shares. During the three months ended March 31, 2022, the Company modified its market-based performance awards to contain only service-based vesting conditions in line with the Company's other restricted stock unit awards.

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Income Taxes

9 Months Ended

Sep. 30, 2022

Income Tax Disclosure [Abstract]

Income Taxes

11. Income Taxes

During the three months ended September 30, 2022, the Company recorded an income tax provision of $10,032, representing an effective tax rate of 33.0%. The effective tax rate for the three months ended September 30, 2022 was greater than the statutory tax rate of 21%, principally due to state and local income taxes, non-deductible employee commuter fringe benefits, shortfalls on the taxable compensation of share-based awards and the Section 162(m) excess officer compensation limitation, partially offset by federal and state research and development tax credits.

During the nine months ended September 30, 2022, the Company recorded an income tax provision of $23,059, representing an effective tax rate of 27.9%. The effective tax rate for the nine months ended September 30, 2022 was greater than the statutory rate of 21%, principally due to state and local income taxes, non-deductible employee commuter fringe benefits, shortfalls on the taxable compensation of share-based awards and the Section 162(m) excess officer compensation limitation, partially offset by federal and state research and development tax credits.

During the three months ended September 30, 2021, the Company recorded an income tax provision of $10,952, representing an effective tax rate of 27.3%. The effective tax rate for the three months ended September 30, 2021 was higher than the statutory tax rate of 21% principally due to state and local income taxes, shortfalls on the taxable compensation of share-based awards and the Section 162(m) excess officer compensation limitation, which became applicable in May 2021 upon the expiration of the transition period permitted following the Company’s initial public offering (“IPO”), partially offset by federal and state research and development tax credits.

During the nine months ended September 30, 2021, the Company recorded an income tax provision of $28,556, representing an effective tax rate of 26.4%. The effective tax rate for the nine months ended September 30, 2021 was higher than the statutory tax rate of 21% principally due to state and local income taxes, shortfalls on the taxable compensation of share-based awards and the Section 162(m) excess officer compensation limitation, which became applicable in May 2021 upon the expiration of the transition period permitted following the IPO, partially offset by federal and state research and development tax credits.

The Company and its subsidiaries are subject to various U.S. federal, state, and foreign income tax examinations. The Company is currently not subject to income tax examination for the tax years of 2017 and prior as a result of applicable statute of limitations of the Internal Revenue Service (“IRS”) and a majority of applicable state jurisdictions. The Company is currently not subject to examination in its foreign jurisdictions for tax years 2016 and prior.

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Segment and Geographic Information

9 Months Ended

Sep. 30, 2022

Segment Reporting [Abstract]

Segment and Geographic Information

12. Segment and Geographic Information

Effective the first quarter of 2022, the Company revised its segment reporting from two reportable segments, United States and International, to one reportable segment. The Company concluded the change in segment reporting was not a triggering event for goodwill impairment. The change in segment reporting was made to align with changes made in the manner the Company’s chief operating decision maker (the “CODM”) reviews the Company’s operating results in assessing performance and allocating resources. The CODM now assesses the Company's performance on a consolidated basis rather than by geographical location as a result of the international segment becoming less significant relative to the overall business. The CODM reviews revenue and operating income as a proxy for the operating performance of the Company’s operations. The Company’s Chief Executive Officer is the CODM.

For the three and nine months ended September 30, 2022 and 2021, information regarding the Company’s operations by segment is represented within the Unaudited Condensed Consolidated Income Statements.

For the three and nine months ended September 30, 2022 and 2021, information regarding the Company’s revenue by geographical region is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Revenue by Geographic Region:
United States	$	415,547	$	211,554	$	1,334,811	$	581,149
International		10,907		11,361		33,480		30,882
Total	$	426,454	$	222,915	$	1,368,291	$	612,031

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Subsequent Events

9 Months Ended

Sep. 30, 2022

Subsequent Events [Abstract]

Subsequent Events

13. Subsequent Event

On November 2, 2022, Yann Gellot, the Company's Senior Vice President, Finance and Principal Accounting Officer, announced his intent to resign to pursue another career opportunity. Mr. Gellot will remain with the Company as Principal Accounting Officer through December 2, 2022, the effective date of his resignation. Additionally, on November 5, 2022, the Company's Board of Directors designated Jason Trevisan, the Company's Chief Executive Officer, to serve as the Company's Principal Accounting Officer effective upon Mr. Gellot's resignation on December 2, 2022 and until such time that the Company appoints a successor Principal Accounting Officer.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2022

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying interim condensed consolidated financial statements (the “Unaudited Condensed Consolidated Financial Statements”) are unaudited. The Unaudited Condensed Consolidated Financial Statements and related disclosures have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”). Any reference in these notes to applicable guidance is meant to refer to GAAP as found in the Accounting Standards Codification (“ASC”) and Accounting Standards Update (“ASU”) of the Financial Accounting Standards Board (“FASB”).

The Unaudited Condensed Consolidated Financial Statements have also been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Accordingly, certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. The Unaudited Condensed Consolidated Financial Statements reflect all adjustments, consisting of only normal recurring adjustments, necessary for the fair presentation of the Company’s financial position as of September 30, 2022 and December 31, 2021, results of operations, comprehensive income, and changes in shareholders’ equity for the three and nine months ended September 30, 2022 and 2021 and cash flows for the nine months ended September 30, 2022 and 2021. These interim period results are not necessarily indicative of the results to be expected for any other interim period or the full year.

The Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC on February 25, 2022 (the “Annual Report”).

While the Company disclosed total revenue in the Unaudited Condensed Consolidated Income Statements in the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2021, filed with the SEC on November 9, 2021, the accompanying Unaudited Condensed Consolidated Income Statements for the three and nine months ended September 30, 2021 presents revenues disaggregated into marketplace, wholesale, and product revenues to conform to the current year presentation, as a result of the acquisition of a 51% interest in CarOffer.

Principles of Consolidation

Principles of Consolidation

The accompanying Unaudited Condensed Consolidated Financial Statements include the accounts of the Company and its subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

Subsequent Event Considerations

Subsequent Event Considerations

The Company considers events or transactions that occur after the balance sheet date but prior to the issuance of the financial statements to provide additional evidence for certain estimates or to identify matters that require additional disclosure. The Company has evaluated all subsequent events and determined that there are no material recognized or unrecognized subsequent events requiring disclosure, other than those disclosed in Note 13 of these Unaudited Condensed Consolidated Financial Statements.

Use of Estimates

Use of Estimates

The preparation of the Unaudited Condensed Consolidated Financial Statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting period.

Although the Company regularly assesses these estimates, actual results could differ materially from these estimates. The Company bases its estimates on historical experience and various other assumptions that it believes to be reasonable under the circumstances. Actual results may differ from management’s estimates if these results differ from historical experience, or other assumptions do not turn out to be substantially accurate, even if such assumptions are reasonable when made. Changes in estimates are recognized in the period in which they become known.

Critical estimates relied upon in preparing the Unaudited Condensed Consolidated Financial Statements include the determination of sales allowance and variable consideration in the Company’s revenue recognition, allowance for doubtful accounts, the impairment of long-lived assets, the capitalization of product, technology, and development costs for website development, internal-use software and hosting arrangements, the valuation of acquired assets and liabilities, the valuation and recoverability of intangible assets and goodwill, the valuation of redeemable noncontrolling interest, the recoverability of the Company’s net deferred tax assets and related valuation allowance, the valuation of inventory, and the valuation of equity and liability-classified compensation awards under ASC Topic 718, Stock-based Compensation (“ASC 718”). Accordingly, the Company considers these to be its critical accounting estimates, and believes that of the Company’s significant accounting policies, these policies involve the greatest degree of judgment and complexity.

Concentration of Credit Risk

Concentration of Credit Risk

The Company has no significant off-balance sheet risk, such as foreign exchange contracts, option contracts, or other foreign hedging arrangements. Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash, cash equivalents, investments, and trade accounts receivable.

The Company maintains its cash, cash equivalents, and investments principally with accredited financial institutions of high credit standing. Although the Company deposits its cash, cash equivalents, and investments with multiple financial institutions, its deposits may often exceed governmental insured limits.

The Company is exposed to credit losses primarily through its trade accounts receivable, which includes receivables in transit from a third-party payment processor. The third-party payment processor collects customer payments on the Company's behalf and remits them to the Company. Customer payments received, but not remitted as of period end are deemed to be receivables in transit. Additionally, the third-party payment processor provides payments in advance for certain selling dealers. If the third-party payment processor does not receive buying dealer payments associated with the transaction paid in advance, the Company would guarantee losses incurred by the third-party payment processor and the balance would be deducted from future remittances to the Company. To date, losses associated with these guarantees have not been material. Payments received in advance are presented as cash flows from financing activities in the Unaudited Condensed Consolidated Statements of Cash Flows.

The Company offsets gross trade accounts receivable with payments received in advance from the third-party payment processor as it has the right of offset. At any point in time, the Company could have amounts due from the third-party payment processor for funds the third-party payment processor has collected from buying dealers and has not yet remitted to the Company, as well as amounts paid by the third-party payment processor to the Company in advance of collecting payments from buying dealers. Therefore, as the Company has the right to offset, the Company can either have a net receivable balance due from the third-party payment processor which is recognized within accounts receivable, or the Company can have a net liability which is recognized within accrued expenses if the advance payments exceed the receivable position from the third-party payment processor as of the balance sheet date.

As of September 30, 2022, gross trade accounts receivable from receivables in transit from the third-party payment processor was $23,310, offset by payments received in advance of $25,058, which resulted in a net liability of $1,748 recognized within accrued expenses, accrued income taxes and other current liabilities in the Unaudited Condensed Consolidated Balance Sheets. As of December 31, 2021, gross trade accounts receivable from receivables in transit from the third-party payment processor was $18,747, offset by payments received in advance of $46,822, which resulted in a net liability of $28,075 recognized within accrued expenses, accrued income taxes and other current liabilities in the Unaudited Condensed Consolidated Balance Sheets.

The Company routinely assesses the creditworthiness of its customers and does not require collateral. The Company generally has not experienced any material losses related to receivables from individual customers, or groups of customers. The majority of the Company's accounts receivable results from a third-party payment processor for wholesale and product revenue transactions. The Company has had no material losses related to wholesale and product receivables as it does not release title to the vehicle until successfully collecting funds from the buying dealer. Due to these factors, no additional credit risk beyond amounts provided for collection losses is believed by management to be probable in the Company’s accounts receivable.

As of September 30, 2022, one customer accounted for 16% of net accounts receivable. As of December 31, 2021, two customers accounted for 47% and 18% of net accounts receivable, respectively. Although 16% of net accounts receivable was attributable to one customer as of September 30, 2022 and 47% and 18% of net accounts receivable was attributable to two customers as of December 31, 2021, the remainder of the accounts receivable was dispersed among more than 1,000 customers. These customers who account for greater than 10% of net accounts receivable are related to wholesale and product receivables. Because the Company does not release title on vehicles until funds are successfully collected as discussed above, there is no significant credit risk associated with these customers. Other than the receivables associated with these customers discussed above, credit risk with respect to accounts receivable is dispersed due to the large number of customers.

As of September 30, 2022 and December 31, 2021, $6,199 and $7,356, respectively, was included in net accounts receivable, representing unbilled accounts receivable relating primarily to advertising customers invoiced in the period subsequent to services rendered.

For the three and nine months ended September 30, 2022 and 2021, no individual customer accounted for more than 10% of total revenue.

Significant Accounting Policies

Significant Accounting Policies

The Unaudited Condensed Consolidated Financial Statements reflect the application of certain significant accounting policies as described below and elsewhere in these notes to the Unaudited Condensed Consolidated Financial Statements. As of September 30, 2022, there have been no material changes in the Company’s significant accounting policies, which are detailed in the Annual Report, other than as described below.

Stock-Based Compensation

During the three months ended June 30, 2022, the Company refined its model for determining the fair value of liability-classified awards as a result of obtaining gross profit actuals through the trailing twelve-month ended June 30, 2022 measuring period. The fair value is now determined using a Monte Carlo simulation model, instead of using the previous Least Square Monte Carlo simulation model. The determination of the fair value is affected by CarOffer’s equity value, EBITDA, Excess Parent Capital (as defined in the CarOffer Operating Agreement), and revenue forecasts that drive the exercise price of future call/put rights, as well as a number of assumptions including market price of risk, volatility, correlation, and risk-free interest rate. Liability-classified awards are remeasured to fair value each period until settlement.

As disclosed in the Company's Current Report on Form 8-K filed with the SEC on September 29, 2022, the Company determined not to exercise the Company's call right to acquire up to an additional 25% of the fully diluted capitalization of CarOffer. The valuation of these liability awards continues to be valued using a Monte Carlo simulation and is now derived from the Company’s 2024 call right and CarOffer’s 2024 put right.

Deferred Financing Costs

The Company capitalizes certain legal and other third-party fees that are directly associated with obtaining access to capital via credit facilities. Deferred financing costs incurred in connection with obtaining access to capital are recognized within other non-current assets in the Unaudited Condensed Consolidated Balance Sheets and within financing activities in the Unaudited Condensed Consolidated Statement of Cash Flows. These costs are amortized on a straight-line basis over the term of the applicable credit facility and recognized as interest expense within other income (expense), net in the Unaudited Condensed Consolidated Income Statements and as an adjustment to consolidated net income in the Unaudited Condensed Consolidated Statement of Cash Flows.

For the three and nine months ended September 30, 2022, the Company recognized deferred financing costs of $2,578. For the three and nine months ended September 30, 2022, amortization of deferred financing costs was immaterial.

Recent Accounting Pronouncements not Yet Adopted

Recent Accounting Pronouncements Not Yet Adopted

From time to time, new accounting pronouncements are issued by the FASB or other standard setting bodies and adopted by the Company on or prior to the specified effective date. Unless otherwise discussed, the Company believes that the impact of recently issued standards that are not yet effective will not have a material impact on its financial position or results of operations upon adoption. As of September 30, 2022, there are no new material accounting pronouncements that the Company is considering adopting.

Earnings Per Share

The Company has two classes of common stock authorized: Class A common stock and Class B common stock. The rights of the holders of Class A and Class B common stock are identical, except with respect to voting and conversion. Each share of Class A common stock is entitled to one vote per share and each share of Class B common stock is entitled to ten votes per share. Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder at any time or automatically upon certain events described in the Company’s amended and restated certificate of incorporation, including upon either the death or voluntary termination of the Company’s Executive Chairman. The Company allocates undistributed earnings attributable to common stock between the common stock classes on a one‑to‑one basis when computing net income per share. As a result, basic and diluted net income per share of Class A common stock and per share of Class B common stock are equivalent.

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Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Summary of Revenue from Contracts with Customers by Product

The following table summarizes revenue from contracts with customers by product for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Marketplace	$	165,309	$	159,925	$	492,524	$	476,183
Dealer-to-Dealer		70,741		57,626		273,296		130,484
IMCO		190,404		5,364		602,471		5,364
Total	$	426,454	$	222,915	$	1,368,291	$	612,031

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Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Value Levels, Assets Measured at Fair Value on Recurring Basis

As of September 30, 2022 and December 31, 2021, assets measured at fair value on a recurring basis consist of the following:

	As of September 30, 2022
	Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs)		Significant Other Observable Inputs (Level 2 Inputs)		Significant Unobservable Inputs (Level 3 Inputs)		Total
Cash equivalents:
Money market funds	$	273,574	$	—	$	—	$	273,574
Total	$	273,574	$	—	$	—	$	273,574

	As of December 31, 2021
	Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs)		Significant Other Observable Inputs (Level 2 Inputs)		Significant Unobservable Inputs (Level 3 Inputs)		Total
Cash equivalents:
Money market funds	$	157,525	$	—	$	—	$	157,525
Investments:
Certificates of deposit		—		90,000		—		90,000
Total	$	157,525	$	90,000	$	—	$	247,525

Schedule of Investments

As of September 30, 2022, the Company did not hold any investments. As of December 31, 2021, investments consist of the following:

	As of December 31, 2021
	Amortized Cost		Gross Unrealized Gains		Gross  Unrealized  Losses		Estimated Fair Value
Investments:
Certificates of deposit due in one year or less	$	90,000	$	—	$	—	$	90,000
Total	$	90,000	$	—	$	—	$	90,000

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Property and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2022

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

As of September 30, 2022 and December 31, 2021, property and equipment, net consist of the following:

	As of September 30, 2022			As of December 31, 2021
Server and computer equipment	$	8,038		$	8,349
Capitalized internal-use software		6,197			3,041
Capitalized website development		32,554			22,037
Furniture and fixtures		8,599			8,615
Leasehold improvements		24,057			24,082
Construction in progress		2,155			854
Finance lease right-of-use assets		454			556
		82,054			67,534
Less accumulated depreciation and amortization		(45,221	)		(35,324	)
Total	$	36,833		$	32,210

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Accrued Expenses, Accrued Income Taxes and Other Current Liabilities and Other Non-Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2022

Payables and Accruals [Abstract]

Schedule of Accrued Expenses, Accrued Income Taxes and Other Current Liabilities

As of September 30, 2022 and December 31, 2021, accrued expenses, accrued income taxes and other current liabilities consist of the following:

	As of September 30, 2022		As of December 31, 2021
Accrued bonus	$	5,567	$	11,777
Accrued income taxes		9,425		6,344
Accrued tax distributions to redeemable noncontrolling interest holders		239		8,701
Payments received in advance from third-party payment processor		1,748		28,075
Reserve for returns and cancellations		13,802		2,254
Other accrued expenses and other current liabilities		26,189		21,435
Total	$	56,970	$	78,586

Schedule of Other Non-Current Liabilities

As of September 30, 2022 and December 31, 2021, other non-current liabilities consist of the following:

	As of September 30, 2022		As of December 31, 2021
CO Incentive Unit and Subject Unit liability-classified awards	$	26,898	$	21,095
Other non-current liabilities		3,568		2,544
Total	$	30,466	$	23,639

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Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Stock-based Compensation Expense by Award Type

stock compensation expense by award type and where the stock-based compensation expense was recognized in the Company’s Unaudited Condensed Consolidated Income Statements is as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022		2021
Options	$	647		$	630	$	1,937	$	1,882
Restricted stock units		13,324			13,852		39,613		41,539
CO Incentive Units and Subject Units		(20,917	)		687		5,803		9,681
Total	$	(6,946	)	$	15,169	$	47,353	$	53,102

Summary of Allocation of Stock-based Compensation Expense

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022		2021
Cost of revenue	$	212		$	110	$	417	$	311
Sales and marketing expense		104			2,717		8,173		9,040
Product, technology, and development expense		4,201			5,583		16,720		17,585
General and administrative expense		(11,463	)		6,759		22,043		26,166
Total	$	(6,946	)	$	15,169	$	47,353	$	53,102

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Schedule of Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net Income Per Share

For the three and nine months ended September 30, 2022 and 2021, a reconciliation of the numerator and denominator used in the calculation of basic and diluted net income per share is as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2022			2021		2022			2021
Numerator:
Consolidated net income	$	18,824		$	29,267	$	55,723		$	76,214
Net (loss) income attributable to redeemable noncontrolling interest		(1,576	)		68		(3,871	)		(3,398	)
Accretion of redeemable noncontrolling interest to redemption value		(86,564	)		—		25,056			—
Net income attributable to common stockholders — basic	$	106,964		$	29,199	$	34,538		$	79,612
Net (loss) income attributable to redeemable noncontrolling interest		(1,576	)		68		—			(588	)
Accretion of redeemable noncontrolling interest to redemption value		(86,564	)		—		—			—
Net income attributable to common stockholders — diluted	$	18,824		$	29,267	$	34,538		$	79,024
Denominator:
Weighted-average number of shares of common stock used    in computing net income per share attributable to    common stockholders — basic		118,683,642			117,412,164		118,370,925			116,955,188
Dilutive effect of share equivalents resulting from stock    options		252,048			418,054		288,523			460,553
Dilutive effect of share equivalents resulting from    unvested restricted stock units		166,415			491,175		455,857			403,967
Dilutive effect of share equivalents resulting from CarOffer    incentive units and noncontrolling interest		13,141,531			2,116,980		3,043,965			1,231,520
Weighted-average number of shares of common stock    used in computing net income per share attributable to    common stockholders — diluted		132,243,636			120,438,373		122,159,270			119,051,228
Net income per share attributable to common stockholders:
Basic	$	0.90		$	0.25	$	0.29		$	0.68
Diluted	$	0.14		$	0.24	$	0.28		$	0.66

Schedule of Potentially Dilutive Common Stock Equivalents Excluded from Calculation of Diluted Weighted-average Shares Outstanding

For the three and nine months ended September 30, 2022 and 2021, potentially dilutive common stock equivalents that have been excluded from the calculation of diluted weighted-average shares outstanding as their effect would have been anti-dilutive are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Stock options outstanding		589,090		588,490		592,259		501,306
Restricted stock units outstanding		3,681,606		2,181,061		2,203,409		2,507,873
CO Incentive Units, Subject Units and noncontrolling    interest		—		—		9,001,896		—

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Segment and Geographic Information (Tables)

9 Months Ended

Sep. 30, 2022

Segment Reporting [Abstract]

Summary of Operations by Segment and Geographical Area

For the three and nine months ended September 30, 2022 and 2021, information regarding the Company’s revenue by geographical region is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Revenue by Geographic Region:
United States	$	415,547	$	211,554	$	1,334,811	$	581,149
International		10,907		11,361		33,480		30,882
Total	$	426,454	$	222,915	$	1,368,291	$	612,031

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Organization and Business Description - Additional Information (Details) - Segment	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Mar. 31, 2021	Jan. 14, 2021
Business Acquisition [Line Items]
State of incorporation	DE
Date of incorporation	Jun. 26, 2015
Number of reportable segments	1	2
Car Offer
Business Acquisition [Line Items]
Business acquisition, percentage of interest acquired	51.00%		51.00%	51.00%

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Summary of Significant Accounting Policies - Additional Information (Details) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022 USD ($) Customer $ / shares	Sep. 30, 2021 Customer	Sep. 30, 2022 USD ($) Customer $ / shares	Sep. 30, 2021 Customer	Dec. 31, 2021 USD ($) Customer $ / shares	Mar. 31, 2021	Jan. 14, 2021
Summary Of Significant Accounting Policies [Line Items]
Description of significant off-balance sheet risk			The Company has no significant off-balance sheet risk, such as foreign exchange contracts, option contracts, or other foreign hedging arrangements.
Accrued expenses, accrued income taxes and other current liabilities	$ 56,970		$ 56,970		$ 78,586
Deferred financing costs	2,578		2,578
Trade Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Gross trade accounts receivable from receivables in transit from the third-party payment processor	23,310		23,310		18,747
Receivables offset by payments received in advance	25,058		25,058		46,822
Accrued expenses, accrued income taxes and other current liabilities	$ 1,748		$ 1,748		$ 28,075
Class A Common Stock
Summary Of Significant Accounting Policies [Line Items]
Common stock, par value | $ / shares	$ 0.001		$ 0.001		$ 0.001
Car Offer
Summary Of Significant Accounting Policies [Line Items]
Business acquisition, percentage of interest acquired	51.00%		51.00%			51.00%	51.00%
Sales Revenue, Net | Concentration of Credit Risk
Summary Of Significant Accounting Policies [Line Items]
Number of major customers | Customer	0	0	0	0
Net Accounts Receivable | Advertising Customers
Summary Of Significant Accounting Policies [Line Items]
Unbilled accounts receivable	$ 6,199		$ 6,199		$ 7,356
Net Accounts Receivable | Concentration of Credit Risk
Summary Of Significant Accounting Policies [Line Items]
Number of major customers | Customer			1		2
Net Accounts Receivable | Concentration of Credit Risk | Customer One
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk, percentage			16.00%		47.00%
Net Accounts Receivable | Concentration of Credit Risk | Customer Two
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk, percentage					18.00%
Minimum | Net Accounts Receivable | Concentration of Credit Risk
Summary Of Significant Accounting Policies [Line Items]
Number of major customers | Customer			1,000		1,000
Minimum | Net Accounts Receivable | Concentration of Credit Risk | Customer One
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk, percentage			10.00%		10.00%
Call Option | Car Offer
Summary Of Significant Accounting Policies [Line Items]
Business acquisition, option to acquire remaining percentage of interest	25.00%		25.00%

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Revenue Recognition - Summary of Revenue from Contracts with Customers by Product (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 426,454	$ 222,915	$ 1,368,291	$ 612,031
Marketplace
Disaggregation of Revenue [Line Items]
Revenue	165,309	159,925	492,524	476,183
Dealer-to-Dealer
Disaggregation of Revenue [Line Items]
Revenue	70,741	57,626	273,296	130,484
IMCO
Disaggregation of Revenue [Line Items]
Revenue	$ 190,404	$ 5,364	$ 602,471	$ 5,364

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Revenue Recognition - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue from Contract with Customer [Abstract]
Revenue recognized	$ 15,071	$ 13,120	$ 12,784	$ 9,137
Performance obligation unsatisfied	$ 6,900		$ 6,900

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Fair Value of Financial Instruments - Schedule of Fair Value Levels, Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments:		$ 90,000
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments:		$ 90,000
Debt Securities Held To Maturity Type Extensible List		us-gaap:CertificatesOfDepositMember
Total	$ 273,574	$ 247,525
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	273,574	157,525
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2 Inputs)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments:		$ 90,000
Debt Securities Held To Maturity Type Extensible List		us-gaap:CertificatesOfDepositMember
Total		$ 90,000
Fair Value, Measurements, Recurring | Money Market Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents:	273,574	157,525
Fair Value, Measurements, Recurring | Money Market Funds | Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents:	$ 273,574	$ 157,525

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Fair Value of Financial Instruments - Additional Information (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Held to maturity fair value	$ 0	$ 90,000,000

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Fair Value of Financial Instruments - Schedule of Investments (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Certificates of deposit due in one year or less, Amortized Cost		$ 90,000,000
Held to maturity amortized cost		90,000,000
Certificates of deposit due in one year or less, Estimated Fair Value		90,000,000
Held to maturity fair value	$ 0	$ 90,000,000

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Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 82,054	$ 67,534
Less accumulated depreciation and amortization	(45,221)	(35,324)
Property and equipment, net	36,833	32,210
Server and computer equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	8,038	8,349
Capitalized internal-use software
Property Plant And Equipment [Line Items]
Property and equipment, gross	6,197	3,041
Capitalized Website Development
Property Plant And Equipment [Line Items]
Property and equipment, gross	32,554	22,037
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	8,599	8,615
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	24,057	24,082
Construction in Progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	2,155	854
Finance Lease Right-of-use Assets
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 454	$ 556

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Property and Equipment, Net - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Property, Plant and Equipment [Line Items]
Depreciation and amortization excluding amortization of intangible assets and capitalized hosting arrangements	$ 3,514	$ 2,755	$ 10,556	$ 7,068
Capitalized Website Development
Property, Plant and Equipment [Line Items]
Increase (decrease) in property and equipment			$ 10,517

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Goodwill and Other Intangible Assets - Summary of Changes in Carrying Value of Goodwill (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Balance at December 31, 2020	$ 158,287
Balance at June 30, 2021	$ 156,216

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Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Finite Lived Intangible Assets [Line Items]
Net Carrying Amount	$ 60,535	$ 83,915

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Goodwill and Other Intangible Assets - Summary of Estimated Amortization Expense of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Net Carrying Amount	$ 60,535	$ 83,915

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Accrued Expenses, Accrued Income Taxes and Other Current Liabilities and Other Non-Current Liabilities - Schedule of Accrued Expenses, Accrued Income Taxes and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Accrued Liabilities, Current [Abstract]
Accrued bonus	$ 5,567	$ 11,777
Accrued income taxes	9,425	6,344
Accrued tax distributions to redeemable noncontrolling interest holders	239	8,701
Payments received in advance from third-party payment processor	1,748	28,075
Reserve for returns and cancellations	13,802	2,254
Other accrued expenses and other current liabilities	26,189	21,435
Total	$ 56,970	$ 78,586

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Accrued Expenses, Accrued Income Taxes and Other Current Liabilities and Other Non-Current Liabilities - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Mar. 31, 2021	Jan. 14, 2021
Business Acquisition [Line Items]
Decrease in accrued bonus	$ 6,210
Decrease in payments received in advance from third-party payment processor		$ 26,327
Increase reserve for returns and cancellations		11,548
Decrease in accrued tax distributions to redeemable noncontrolling interest		8,462
Increase In CO incentive unit and subject unit liability-classified awards		$ 5,803
Car Offer
Business Acquisition [Line Items]
Business acquisition, percentage of interest acquired	51.00%	51.00%	51.00%	51.00%

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Accrued Expenses, Accrued Income Taxes and Other Current Liabilities and Other Non-Current Liabilities - Schedule of Other Non-Current Liabilities - (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Payables and Accruals [Abstract]
CO Incentive Unit and Subject Unit liability-classified awards	$ 26,898	$ 21,095
Other non-current liabilities	3,568	2,544
Total	$ 30,466	$ 23,639

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Debt - Additional Information (Details) - USD ($)		9 Months Ended
	Sep. 26, 2022	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Long-term debt outstanding		$ 0	$ 0
Line of credit facility maturity date		Sep. 26, 2027
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility maximum borrowing amount	$ 400,000,000.0
Letter of credit facility		$ 0
Line of credit facility increased in maximum borrowing capacity	$ 250,000,000.0
Increase in borrowing capacity equal to percentage of four quarter EBDITA	100.00%
Minimum | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility unutilized commitment fee percentage	0.125%
Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility unutilized commitment fee percentage	0.175%
Letter of Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Letter of credit facility	$ 50,000,000.0	$ 0

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Commitments and Contingencies - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) Days	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2021	Jan. 14, 2021
Commitments And Contingencies [Line Items]
Restricted cash	$ 22,882		$ 22,882		$ 16,336
Guarantee income	2,717	$ 1,916	8,329	$ 4,522
Exercise of guarantee net loss	$ 2,354	$ 1,074	$ 4,653	$ 1,135
Car Offer
Commitments And Contingencies [Line Items]
Business acquisition, percentage of interest acquired	51.00%		51.00%			51.00%	51.00%
Guarantees, description			provides certain guarantees to dealers through products such as its 45-Day Guarantee and OfferGuard product offerings on the CarOffer platform, which are accounted for under ASC Topic 460, Guarantees.
Number of days guarantee period | Days			45
Guarantees	$ 86,819		$ 86,819		76,075
Loss contingent liabilities	$ 0		$ 0		$ 0
Call Option | Car Offer
Commitments And Contingencies [Line Items]
Business acquisition, option to acquire remaining percentage of interest	25.00%		25.00%

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Stock-based Compensation - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Capitalized website development and internal-use software costs excluded from stock-based compensation expense	$ 939	$ 777	$ 3,410	$ 2,212
Employee tax withholding requirements for net share settlements of equity awards	$ 2,911	$ 3,106	$ 14,171	$ 11,314
Class A Common Stock
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Employee tax withholding requirements and option costs due to net share settlement	228,049	114,973	531,318	404,626
CarOffer Incentive Units and Subject Units
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Decrease in stock-based compensation expense	$ 21,604		$ 3,878

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Stock-based Compensation - Summary of Stock-based Compensation Expense by Award Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total	$ (6,946)	$ 15,169	$ 47,353	$ 53,102
Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total	647	630	1,937	1,882
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total	13,324	13,852	39,613	41,539
CarOffer Incentive Units and Subject Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total	$ (20,917)	$ 687	$ 5,803	$ 9,681

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Stock-based Compensation - Summary of Allocation of Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total	$ (6,946)	$ 15,169	$ 47,353	$ 53,102
Cost of Revenue
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total	212	110	417	311
Sales and Marketing Expense
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total	104	2,717	8,173	9,040
Product, Technology, and Development Expense
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total	4,201	5,583	16,720	17,585
General and Administrative
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total	$ (11,463)	$ 6,759	$ 22,043	$ 26,166

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Earnings Per Share - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2022 shares	Sep. 30, 2021 shares	Sep. 30, 2022 Vote shares	Sep. 30, 2021 shares
Earnings Per Share Basic [Line Items]
Conversion of stock, description			Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder at any time or automatically upon certain events described in the Company’s amended and restated certificate of incorporation, including upon either the death or voluntary termination of the Company’s Executive Chairman.
Undistributed earnings ratio used to calculate allocation to class of stock			100.00%
Market Based Performance Awards
Earnings Per Share Basic [Line Items]
Potentially dilutive common stock equivalents excluded from calculation of diluted weighted-average shares outstanding		282,921		282,921
Class A Common Stock
Earnings Per Share Basic [Line Items]
Right to voting			one vote per share
Number of votes entitled to stockholders per share | Vote			1
Conversion of stock	0	1,676,061	0	2,605,658
Class B Common Stock
Earnings Per Share Basic [Line Items]
Right to voting			ten votes per share
Number of votes entitled to stockholders per share | Vote			10
Class of share converted to another class			one share of Class A common stock
Conversion of stock			1

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Earnings Per Share - Schedule of Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Consolidated net income	$ 18,824	$ 29,267	$ 55,723	$ 76,214
Net (loss) income attributable to redeemable noncontrolling interest	(1,576)	68	(3,871)	(3,398)
Accretion of redeemable noncontrolling interest to redemption value	(86,564)		25,056
Net income attributable to common stockholders - basic	106,964	29,199	34,538	79,612
Net (loss) income attributable to redeemable noncontrolling interest	(1,576)	68		(588)
Net income attributable to common stockholders - diluted	$ 18,824	$ 29,267	$ 34,538	$ 79,024
Denominator:
Weighted-average number of shares of common stock used in computing net income per share attributable to common stockholders — basic	118,683,642	117,412,164	118,370,925	116,955,188
Dilutive effect of share equivalents resulting from stock options	252,048	418,054	288,523	460,553
Dilutive effect of share equivalents resulting from unvested restricted stock units	166,415	491,175	455,857	403,967
Dilutive effect of share equivalents resulting from CarOffer incentive units and noncontrolling interest	13,141,531	2,116,980	3,043,965	1,231,520
Weighted-average number of shares of common stock used in computing net income per share attributable to common stockholders — diluted	132,243,636	120,438,373	122,159,270	119,051,228
Net income per share attributable to common stockholders:
Basic	$ 0.90	$ 0.25	$ 0.29	$ 0.68
Diluted	$ 0.14	$ 0.24	$ 0.28	$ 0.66

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Earnings Per Share - Schedule of Potentially Dilutive Common Stock Equivalents Excluded from Calculation of Diluted Weighted-average Shares Outstanding (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock Options Outstanding
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potentially dilutive common stock equivalents excluded from calculation of diluted weighted-average shares outstanding	589,090	588,490	592,259	501,306
Restricted Stock Units Outstanding
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potentially dilutive common stock equivalents excluded from calculation of diluted weighted-average shares outstanding	3,681,606	2,181,061	2,203,409	2,507,873
CO Incentive Units, Subject Units and noncontrolling interest
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potentially dilutive common stock equivalents excluded from calculation of diluted weighted-average shares outstanding			9,001,896

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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Tax Examination [Line Items]
Income tax provision (benefit)	$ 10,032	$ 10,952	$ 23,059	$ 28,556
Effective income tax rate	33.00%	27.30%	27.90%	26.40%
Statutory tax rate	21.00%	21.00%	21.00%	21.00%
Foreign
Income Tax Examination [Line Items]
Closed tax year			2016
Internal Revenue Service (IRS) | Foreign
Income Tax Examination [Line Items]
Closed tax year			2017
Internal Revenue Service (IRS) | Domestic Tax Authority
Income Tax Examination [Line Items]
Closed tax year			2017
Internal Revenue Service (IRS) | State
Income Tax Examination [Line Items]
Closed tax year			2017

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Segment and Geographic Information - Additional Information (Details) - Segment	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Number of reportable segments	1	2

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Segment and Geographic Information - Summary of Operations by Segment and Geographical Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Total	$ 426,454	$ 222,915	$ 1,368,291	$ 612,031
United States
Segment Reporting Information [Line Items]
Total	415,547	211,554	1,334,811	581,149
International
Segment Reporting Information [Line Items]
Total	$ 10,907	$ 11,361	$ 33,480	$ 30,882