10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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, 2023

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: 001-40249

ThredUp Inc.

(Exact name of registrant as specified in its charter)

Delaware	26-4009181
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
969 Broadway, Suite 200 Oakland, California	94607
(Address of principal executive offices)	(Zip Code)

(415) 402-5202

(Registrant’s telephone number, including area code)

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Class A Common Stock, $0.0001 par value per share	TDUP	The Nasdaq Stock Market LLC Long-Term Stock Exchange

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, a 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	☐	Smaller 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  ☒

There were 77,290,731 shares of Class A common stock and 29,959,781 shares of Class B common stock outstanding as of October 31, 2023.

TABLE OF CONTENTS

		Page Number
	PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements	5
	Unaudited Condensed Consolidated Balance Sheets	5
	Unaudited Condensed Consolidated Statements of Operations	6
	Unaudited Condensed Consolidated Statements of Comprehensive Loss	7
	Unaudited Condensed Consolidated Statements of Stockholders’ Equity	8
	Unaudited Condensed Consolidated Statements of Cash Flows	10
	Notes to Unaudited Condensed Consolidated Financial Statements	11
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	20
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	28
Item 4.	Controls and Procedures	29
	PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	31
Item 1A.	Risk Factors	31
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	31
Item 3.	Defaults Upon Senior Securities	32
Item 4.	Mine Safety Disclosures	32
Item 5.	Other Information	32
Item 6.	Exhibits	32
	Signatures	34

2

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are statements that 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 “may,” “will,” “shall,” “should,” “expects,” “plans,” “anticipates,” “could,” “intends,” “target,” “projects,” “contemplates,” “believes,” “estimates,” “predicts,” “potential,” or “continue” or the negative of these words or other similar terms or expressions that concern our expectations, strategy, plans or intentions. Forward-looking statements contained in this Quarterly Report on Form 10-Q include, but are not limited to, statements about:

•our future financial performance, including our revenue, cost of revenue and operating expenses and our ability to achieve and maintain future profitability;

•the sufficiency of our cash, cash equivalents and capital resources to meet our liquidity needs;

•our ability to effectively manage or sustain our growth and to effectively expand our operations;

•our strategies, plans, objectives and goals, including our expectations regarding future infrastructure investments as well as restructuring activities;

•our ability to attract and retain buyers and sellers and the continued impact of network effects as we scale our platform;

•our ability to continue to generate revenue from new Resale-as-a-Service (“RaaS”) offerings as sources of revenue;

•trends in our key financial and operating metrics;

•our estimated market opportunity;

•economic and industry trends, projected growth or trend analysis, including the effects of foreign currency exchange rate fluctuations, inflationary pressures, increased interest rates, changing consumer habits, climate change and general global economic uncertainty;

•our ability to comply with applicable laws and regulations;

•our ability to remediate our material weakness in our internal control over financial reporting; and

•our ability to successfully integrate and realize the benefits of our past or future strategic acquisitions or investments.

You should not rely upon forward-looking statements as predictions of future events. The outcome of the events described in these forward-looking statements is subject to risks, uncertainties and other factors described in Part I, Item 1A, Risk Factors, of our Annual Report on Form 10-K for the year ended December 31, 2022, in Part II, Item 1A, Risk Factors, in our Quarterly Reports on Form 10-Q for the quarters ended March 31, 2023 and June 30, 2023 and elsewhere in this Quarterly Report on Form 10-Q, as well as in our other filings with the Securities and Exchange Commission (“SEC”). 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 Quarterly Report on Form 10-Q. The results, events and circumstances reflected in the forward-looking statements may not 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 Quarterly Report on Form 10-Q relate only to events as of the date on which the statements are made. We undertake no obligation to update any forward-looking statements made in this Quarterly Report on Form 10-Q to reflect events or circumstances after the date of this Quarterly Report on Form 10-Q or to reflect new information or the occurrence of unanticipated events, except as required by law.

***

Unless otherwise indicated or unless the context requires otherwise, all references in this document to “thredUP”, “the Company”, “we”, “us”, “our”, or similar references are to ThredUp Inc. and its consolidated subsidiaries.

thredUP is one of the world’s largest online resale platforms for apparel, shoes and accessories, based primarily on items processed, items sold and the capacity of our distribution centers.

3

The “estimated retail price” of an item is based on the estimated original retail price of a comparable item of the same quality, construction and material offered elsewhere in new condition. Our estimated original retail prices are set by our team of merchants who periodically monitor market prices for the brands and styles that we offer on our marketplaces.

4

PART I. FINANCIAL INFORMATION

Item 1.    Financial Statements

THREDUP INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

	September 30, 2023		December 31, 2022
	(in thousands, except par value amounts)
ASSETS
Current assets:
Cash and cash equivalents	$	68,552	$	38,029
Marketable securities	5,575		66,902
Accounts receivable, net	5,993		4,669
Inventory	18,173		17,519
Other current assets	7,199		7,076
Total current assets	105,492		134,195
Operating lease right-of-use assets	43,090		46,153
Property and equipment, net	90,270		92,482
Goodwill	11,455		11,592
Intangible assets	8,460		10,499
Other assets	6,621		7,027
Total assets	$	265,388	$	301,948
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	12,426	$	7,800
Accrued and other current liabilities	40,225		50,155
Seller payable	21,516		16,166
Operating lease liabilities, current	6,383		6,413
Current portion of long-term debt	3,834		3,879
Total current liabilities	84,384		84,413
Operating lease liabilities, non-current	45,257		48,727
Long-term debt, net of current portion	22,968		25,788
Other non-current liabilities	3,231		3,019
Total liabilities	155,840		161,947
Commitments and contingencies (Note 10)
Stockholders’ equity:
Class A and B common stock, $0.0001 par value; 1,120,000 shares authorized as of September 30, 2023 and December 31, 2022; 106,837 and 101,532 shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively	11		10
Additional paid-in capital	577,740		551,852
Accumulated other comprehensive loss	(3,941)		(4,234)
Accumulated deficit	(464,262)		(407,627)
Total stockholders’ equity	109,548		140,001
Total liabilities and stockholders’ equity	$	265,388	$	301,948

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

5

THREDUP INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)

	Three Months Ended				Nine Months Ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
	(in thousands, except per share amounts)
Revenue:
Consignment	$	57,838	$	41,553	$	157,732	$	137,524
Product	24,211		26,392		82,897		79,537
Total revenue	82,049		67,945		240,629		217,061
Cost of revenue:
Consignment	10,131		9,087		28,931		29,354
Product	15,291		14,362		48,246		40,335
Total cost of revenue	25,422		23,449		77,177		69,689
Gross profit	56,627		44,496		163,452		147,372
Operating expenses:
Operations, product, and technology	40,355		38,702		118,473		121,824
Marketing	19,406		14,752		54,919		51,370
Sales, general, and administrative	15,058		15,232		47,147		47,276
Total operating expenses	74,819		68,686		220,539		220,470
Operating loss	(18,192)		(24,190)		(57,087)		(73,098)
Interest expense	732		103		1,530		764
Other income, net	(845)		(624)		(2,006)		(1,108)
Loss before provision for income taxes	(18,079)		(23,669)		(56,611)		(72,754)
Provision for income taxes	3		9		24		31
Net loss	$	(18,082)	$	(23,678)	$	(56,635)	$	(72,785)
Loss per share, basic and diluted	$	(0.17)	$	(0.24)	$	(0.54)	$	(0.73)
Weighted-average shares used in computing loss per share, basic and diluted	105,898		100,253		103,918		99,409

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

6

THREDUP INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(Unaudited)

	Three Months Ended				Nine Months Ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
	(in thousands)
Net loss	$	(18,082)	$	(23,678)	$	(56,635)	$	(72,785)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(1,080)		(2,217)		(772)		(5,258)
Unrealized gain (loss) on available-for-sale securities	152		(28)		1,065		(1,284)
Total other comprehensive income (loss)	(928)		(2,245)		293		(6,542)
Total comprehensive loss	$	(19,010)	$	(25,923)	$	(56,342)	$	(79,327)

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

7

THREDUP INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(Unaudited)

	Common Stock
	Shares	Amount		Additional Paid-in Capital		Accumulated Other Comprehensive Loss		Accumulated Deficit		Total Stockholders’ Equity
	(in thousands)
Balance as of December 31, 2022	101,532	$	10	$	551,852	$	(4,234)	$	(407,627)	$	140,001
Issuance of common stock from exercise of stock options and restricted stock units	1,484	—		275						275
Stock-based compensation				9,720						9,720
Shares withheld for net share settlement	(180)	—		(270)						(270)
Net loss								(19,793)		(19,793)
Other comprehensive income						1,154				1,154
Balance as of March 31, 2023	102,836	10		561,577		(3,080)		(427,420)		131,087
Issuance of common stock from exercise of stock options, restricted stock units, and employee stock purchase plan	2,663	1		593						594
Stock-based compensation				7,958						7,958
Shares withheld for net share settlement	(164)	—		(348)						(348)
Net loss								(18,760)		(18,760)
Other comprehensive income						67				67
Balance as of June 30, 2023	105,335	$	11	$	569,780	$	(3,013)	$	(446,180)	$	120,598
Issuance of common stock from exercise of stock options, restricted stock units, and employee stock purchase plan	1,673	$	—	$	490					490
Stock-based compensation				$	8,190					8,190
Shares withheld for net share settlement	(171)	—		$	(720)					(720)
Net loss								(18,082)		(18,082)
Other comprehensive loss						(928)				(928)
Balance as of September 30, 2023	106,837	$	11	$	577,740	$	(3,941)	$	(464,262)	$	109,548

8

	Common Stock
	Shares	Amount		Additional Paid-in Capital		Accumulated Other Comprehensive Loss		Accumulated Deficit		Total Stockholders’ Equity
	(in thousands)
Balance as of December 31, 2021	98,435	$	10	$	522,161	$	(1,094)	$	(315,343)	$	205,734
Issuance of common stock from exercise of stock options and restricted stock units	507	—		754						754
Stock-based compensation				3,618						3,618
Net loss								(20,708)		(20,708)
Other comprehensive loss						(1,710)				(1,710)
Balance as of March 31, 2022	98,942	10		526,533		(2,804)		(336,051)		187,688
Issuance of common stock from exercise of stock options, restricted stock units, and employee stock purchase plan	1,030	—		1,031						1,031
Stock-based compensation				10,353						10,353
Shares withheld for net share settlement	(19)	—		(157)						(157)
Net loss								(28,399)		(28,399)
Other comprehensive loss						(2,587)				(2,587)
Balance as of June 30, 2022	99,953	$	10	$	537,760	$	(5,391)	$	(364,450)	$	167,929
Issuance of common stock from exercise of stock options, restricted stock units, and employee stock purchase plan	779	$	—	$	229					$	229
Stock-based compensation				$	7,460					$	7,460
Net loss								$	(23,678)	$	(23,678)
Other comprehensive loss						$	(2,245)			$	(2,245)
Balance as of September 30, 2022	100,732	$	10	$	545,449	$	(7,636)	$	(388,128)	$	149,695

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

9

THREDUP INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Nine Months Ended
	September 30, 2023		September 30, 2022
	(in thousands)
Cash flows from operating activities:
Net loss	$	(56,635)	$	(72,785)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	13,881		10,217
Stock-based compensation expense	24,907		20,758
Reduction in carrying amount of right-of-use assets	4,788		4,820
Other	59		1,409
Changes in operating assets and liabilities:
Accounts receivable, net	(1,373)		795
Inventory	(873)		(6,222)
Other current and non-current assets	1,055		(1,732)
Accounts payable	4,049		(3,000)
Accrued and other current liabilities	(4,331)		6,918
Seller payable	5,358		(380)
Operating lease liabilities	(5,426)		2,396
Other non-current liabilities	(75)		(133)
Net cash used in operating activities	(14,616)		(36,939)
Cash flows from investing activities:
Purchases of marketable securities	(9,851)		(3,475)
Maturities of marketable securities	71,979		35,830
Purchases of property and equipment	(13,775)		(39,316)
Net cash provided by (used in) investing activities	48,353		(6,961)
Cash flows from financing activities:
Proceeds from debt, net of discount	—		491
Repayment of debt	(3,000)		(5,333)
Proceeds from issuance of stock-based awards	3,761		3,878
Payment of withholding taxes on stock-based awards	(3,744)		(1,958)
Net cash used in financing activities	(2,983)		(2,922)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(230)		(918)
Net change in cash, cash equivalents, and restricted cash	30,524		(47,740)
Cash, cash equivalents, and restricted cash, beginning of period	44,051		91,840
Cash, cash equivalents, and restricted cash, end of period	$	74,575	$	44,100

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

10

THREDUP INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. Organization and Description of Business

ThredUp Inc. (“thredUP” or the “Company”) was formed as a corporation in the State of Delaware in January 2009. thredUP operates a large resale platform that enables consumers to buy and sell primarily secondhand apparel, shoes, and accessories.

2. Significant Accounting Policies

Basis of Presentation and Use of Estimates

The accompanying unaudited condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany account balances and transactions have been eliminated upon consolidation. The unaudited condensed consolidated financial statements were prepared in accordance with the United States (“U.S.”) Generally Accepted Accounting Principles (“GAAP”) for interim financial information and with the instructions to Quarterly Report on Form 10‑Q and Article 10 of Regulation S-X. As permitted under those rules, certain footnotes or other financial information may be condensed or omitted.

The preparation of consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the amounts that are reported in the consolidated financial statements and the related disclosures. Actual results could differ from those estimates. Significant items subject to such estimates and assumptions include, but are not limited to: the useful lives of property and equipment and intangibles; allowance for sales returns; breakage on loyalty points and rewards, and gift cards; valuation of inventory, stock-based compensation, right-of-use assets, goodwill and acquired intangible assets, and income taxes.

In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all normal and recurring adjustments necessary to present fairly the financial position of the Company as of September 30, 2023, and the results of operations and cash flows for the interim periods presented.

The accompanying unaudited condensed consolidated financial statements and related financial information should be read in conjunction with the Company’s audited consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022 (the “2022 10-K”).

Recently Adopted Accounting Pronouncements

In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-13, Financial Instruments — Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This ASU changes the impairment model for most financial assets, requiring the use of an expected loss model that requires entities to estimate the lifetime expected credit loss on financial assets measured at amortized cost. Such credit losses will be recorded as an allowance to offset the amortized cost of the financial asset, resulting in a net presentation of the amount expected to be collected on the financial asset. In addition, credit losses relating to available-for-sale debt securities will now be recorded through an allowance for credit losses rather than as a direct write-down to the security. This standard is effective for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. The adoption of this guidance during the first quarter of 2023 did not have a material impact on the Company’s condensed consolidated financial statements.

Revenue from Loyalty Reward Redemption and Expiration

The Company has a customer loyalty program, which allows end-customers to earn and accumulate points with each qualifying purchase. Earned points can be redeemed for reward coupons, such as discounts, free shipping, or waived restocking fee, which can be applied to future purchases or returns. Unredeemed points expire after one year from the date the points were earned. Reward coupons expire six months from the date the reward is claimed. Points earned on purchases are a material right, representing a separate performance obligation.

The allocated consideration for the points earned through qualifying purchase transactions is deferred based on the standalone selling price of the points and recorded within deferred revenue under accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue is recognized for these performance obligations at a point in time when rewards are redeemed by the end customer or expired.

11

As of September 30, 2023 and December 31, 2022, the Company had a deferred revenue liability of $3.4 million and $3.3 million, respectively, related to its customer loyalty program, which is included in accrued and other current liabilities within the Company’s condensed consolidated balance sheets. The Company recognized revenue from loyalty reward redemption of $2.1 million and $2.2 million for the three months ended September 30, 2023 and 2022, respectively, and $6.7 million and $7.4 million for the nine months ended September 30, 2023 and 2022, respectively. As our loyalty points expire in 12 months and coupon rewards expire in six months, the revenue for the remaining performance obligation is expected to be recognized within a 12-month period.

Gift Cards and Site Credits

The Company sells thredUP gift cards on its e-commerce website and may also convert site credits to thredUP gift cards after one year at the discretion of the Company. thredUP gift cards do not expire or lose value over periods of inactivity. The Company accounts for gift cards by recognizing a gift card liability at the time a gift card is delivered to the customer. As of September 30, 2023 and December 31, 2022, $8.9 million and $10.9 million, respectively, of gift card liability was included in accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue from gift cards is generally recognized when the gift cards are redeemed by the customer and amounted to $0.5 million and $0.2 million for the three months ended September 30, 2023 and 2022, respectively, and $1.7 million and $0.7 million for the nine months ended September 30, 2023 and 2022, respectively.

The Company issues site credits for returns, which can be applied toward future charges but may not be converted into cash. Site credits may also be converted to thredUP gift cards after one year at the discretion of the Company. These credits are recognized as revenue when used. As of September 30, 2023 and December 31, 2022, $4.8 million and $7.2 million, respectively, of such customer site credits were included in accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue recognized from the redemption of site credits was $10.2 million and $11.9 million for the three months ended September 30, 2023 and 2022, respectively, and $30.1 million and $35.9 million for the nine months ended September 30, 2023 and 2022, respectively.

The Company recognizes breakage revenue when it determines that the redemption of gift cards is remote. Breakage revenue was $1.9 million and $2.3 million for the three and nine months ended September 30, 2023, respectively. Breakage revenue was not material for the three and nine months ended September 30, 2022.

Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Company’s condensed consolidated balance sheets that sum to the total of the same such amounts shown in the Company’s condensed consolidated statements of cash flows:

	September 30, 2023		December 31, 2022
	(in thousands)
Cash and cash equivalents	$	68,552	$	38,029
Restricted cash included in Other current assets	644		383
Restricted cash included in Other assets	5,379		5,639
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	74,575	$	44,051

Fair Value Measurements

The Company applies the provisions of FASB ASC Topic 820, Fair Value Measurements and Disclosures, for its financial and non-financial assets and liabilities. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC 820 establishes a fair value hierarchy, which prioritizes the inputs used in measuring fair value into three broad levels as follows:

•Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

12

•Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

•Level 3 inputs are unobservable inputs for the asset or liability.

The Company measures certain assets and liabilities at fair value as discussed throughout the notes to its condensed consolidated financial statements. As of September 30, 2023 and December 31, 2022, the carrying amounts of the Company’s accounts receivable, other current assets, other assets, accounts payable, seller payable and accrued and other current liabilities approximated their estimated fair values due to their relatively short maturities. Management believes the terms of its long-term variable-rate debt reflect current market conditions for an instrument with similar terms and maturity, and as such, the carrying value of the Company’s long-term debt approximated its fair value as of September 30, 2023 and December 31, 2022.

3. Financial Instruments and Fair Value Measurements

The following tables provide information about the Company’s financial instruments that are measured at fair value on a recurring basis and indicate the fair value hierarchy of the valuation techniques utilized to determine such values as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	10,096	$	—	$	—	$	10,096
U.S. treasury securities	—		17,571		—		17,571
Commercial paper	—		19,333		—		19,333
U.S. government agency discount notes	—		2,874		—		2,874
Total cash equivalents	10,096		39,778		—		49,874
Marketable securities:
U.S. treasury securities	—		2,480		—		2,480
U.S. government agency bonds	—		3,095		—		3,095
Total marketable securities	—		5,575		—		5,575
Total assets at fair value	$	10,096	$	45,353	$	—	$	55,449

	December 31, 2022
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	1,110	$	—	$	—	$	1,110
Commercial paper	—		14,460		—		14,460
Total cash equivalents	1,110		14,460		—		15,570
Marketable securities:
Corporate debt securities	25,488		—		—		25,488
U.S. treasury securities	19,176		—		—		19,176
U.S. government agency bonds	22,238		—		—		22,238
Total marketable securities	66,902		—		—		66,902
Total assets at fair value	$	68,012	$	14,460	$	—	$	82,472

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The following tables summarize the cost, gross unrealized gains, gross unrealized losses and fair value of the marketable securities as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)
U.S. treasury securities	2,482		—		(2)		2,480
U.S. government agency bonds	3,110		—		(15)		3,095
Total	$	5,592	$	—	$	(17)	$	5,575

	December 31, 2022
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)
Corporate debt securities	$	25,774	$	—	$	(286)	$	25,488
U.S. treasury securities	19,531		—		(355)		19,176
U.S. government agency bonds	22,679		—		(441)		22,238
Total	$	67,984	$	—	$	(1,082)	$	66,902

As of September 30, 2023 and December 31, 2022, the Company’s cash equivalents approximated their estimated fair value. As such, there are no unrealized gains or losses related to the Company’s cash equivalents.

For the Company’s marketable securities, which were all classified as available-for-sale, the Company utilizes third-party pricing services to obtain fair value. Third-party pricing methodologies incorporate bond terms and conditions, current performance data, proprietary pricing models, real-time quotes from contributing dealers, trade prices and other market data. The Company determined that the declines in the fair value of its marketable securities were not driven by credit-related factors. During the three and nine months ended September 30, 2023 and 2022, the Company did not recognize any losses on its marketable securities due to credit-related factors.

As of September 30, 2023, the Company’s money market funds were valued using Level 1 inputs because they were valued using quoted prices in active markets. The Company’s U.S. treasury securities, commercial paper, U.S. government agency discount notes, and U.S. government agency bonds were valued using Level 2 inputs because they were valued using quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.

As of September 30, 2023, there were no transfers into or out of Level 3 during the three and nine months ended September 30, 2023. As of September 30, 2023, of the $5.6 million carrying amount of marketable securities, all had a contractual maturity date of less than one year.

4. Property and Equipment, Net

Property and equipment, net consisted of the following:

	September 30, 2023		December 31, 2022
	(in thousands)
Property and equipment	$	133,980	$	124,412
Less: accumulated depreciation and amortization	(43,710)		(31,930)
Property and equipment, net	$	90,270	$	92,482

Depreciation and amortization expense of property and equipment was $4.7 million and $2.9 million for the three months ended September 30, 2023 and 2022, respectively, and $11.9 million and $8.3 million for the nine months ended September 30, 2023 and 2022, respectively.

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5. Goodwill and Other Intangible Assets

Goodwill is primarily attributable to the planned growth in the combined business after the acquisition of Remix Global EAD (“Remix”). Goodwill is reviewed for impairment at least annually, absent any interim indicators of impairment. Goodwill was $11.5 million and $11.6 million as of September 30, 2023 and December 31, 2022, respectively. The decrease in goodwill during the nine months ended September 30, 2023 was due to foreign currency translation adjustments.

The gross carrying amounts and accumulated amortization of the Company’s intangible assets with determinable lives as of September 30, 2023 and December 31, 2022 were as follows:

		September 30, 2023
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,757	$	(1,178)	$	3,579
Developed technology	3	4,482		(2,959)		1,523
Trademarks	9	4,305		(947)		3,358
Total		$	13,544	$	(5,084)	$	8,460

		December 31, 2022
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,814	$	(742)	$	4,072
Developed technology	3	4,536		(1,864)		2,672
Trademarks	9	4,351		(596)		3,755
Total		$	13,701	$	(3,202)	$	10,499

The changes in the gross carrying amounts were due to foreign currency translation adjustments.

Amortization expense related to developed technology, customer relationships, and trademarks is recorded within operations, product, and technology; sales, general, and administrative; and marketing expense, respectively, within the Company’s condensed consolidated statements of operations. Amortization expense of intangible assets with determinable lives was $0.7 million and $0.6 million for the three months ended September 30, 2023 and 2022, respectively, and $2.0 million and $1.9 million for the nine months ended September 30, 2023 and 2022, respectively.

6. Balance Sheet Components

Inventories consisted of the following:

	September 30, 2023		December 31, 2022
	(in thousands)
Work in process	$	3,222	$	2,639
Finished goods	14,951		14,880
Total	$	18,173	$	17,519

Work in process inventory relates to items that are currently undergoing preparation for sale, including itemization, cleaning, and repair.

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Accrued and other current liabilities consisted of the following:

	September 30, 2023		December 31, 2022
	(in thousands)
Gift card and site credit liabilities	$	13,784	$	18,101
Deferred revenue	6,807		7,582
Accrued compensation	4,751		4,993
Accrued taxes	4,500		4,326
Accrued vendor liabilities	4,303		9,116
Allowance for returns	4,195		4,907
Accrued other	1,885		1,130
Total	$	40,225	$	50,155

7. Long-Term Debt

In February 2019, the Company entered into a loan and security agreement (“Term Loan”) with Western Alliance Bank for an aggregate amount of up to $40.0 million.

The Term Loan was subsequently amended several times, with the most recent amendment taking place in July 2022. As amended, the Term Loan matures on July 14, 2027 and provides for an aggregate borrowing amount of up to $70.0 million, which bears interest at the prime rate published in the Wall Street Journal plus a margin of 1.25%, with a floor of 6.00%. The Company incurred an immaterial amount of debt issuance costs in connection with the amendment. For accounting purposes, pursuant to FASB ASC Topic 470, Debt, this transaction was accounted for as a modification of the Term Loan. The debt issuance costs were recognized in interest expense within the Company’s condensed consolidated statement of operations during the third quarter of 2022.

The Term Loan requires the Company to comply with certain financial covenants, including, among other things, liquidity requirements, minimum cash deposits with Western Alliance Bank, performance metrics, and a debt service coverage ratio. The Term Loan also contains affirmative and negative covenants customary for financings of this type, including, among other things, limitations or prohibitions on repurchasing common shares, declaring and paying dividends and other distributions, redeeming and repurchasing certain other indebtedness, loans and investments, additional indebtedness, liens, mergers, asset sales and transactions with affiliates. In addition, the Term Loan contains customary events of default. As of September 30, 2023 and December 31, 2022, the Company was in compliance with its debt covenants under the Term Loan.

The Term Loan is payable in consecutive monthly installments. Interest is due monthly on amounts outstanding under the Term Loan. The Company is permitted to make voluntary prepayments without penalty or premium at any time.

As of September 30, 2023 and December 31, 2022, the effective interest rate for borrowings under the Term Loan was 10.73% and 9.70%, respectively.

During the nine months ended September 30, 2023, the Company did not make any borrowings under the Term Loan and repaid a total of $3.0 million on amounts outstanding under the Term Loan. During the nine months ended September 30, 2022, the Company borrowed $0.7 million under the Term Loan and repaid a total of $5.3 million on amounts outstanding under the Term Loan. As of September 30, 2023 and December 31, 2022, the amounts outstanding under the Term Loan were $27.3 million and $30.3 million, respectively.

During the three months ended September 30, 2023 and 2022, the Company incurred $0.7 million and $0.6 million, respectively, of interest costs relating to the Term Loan. There was no capitalized interest during the three months ended September 30, 2023 and $0.5 million was capitalized as part of an asset for the three month ended September 30, 2022.

During the nine months ended September 30, 2023 and 2022, the Company incurred $2.0 million and $1.8 million, respectively, of interest costs relating to the Term Loan, of which $0.6 million and $1.0 million, respectively, were capitalized as part of an asset.

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As of September 30, 2023, the future annual principal payments of the Term Loan were as follows:

	Amount
	(in thousands)
2023	$	1,000
2024	4,000
2025	4,000
2026	4,000
2027	14,333
Total principal payments	27,333
Less: unamortized debt discount	(531)
Less: current portion of long-term debt	(3,834)
Non-current portion of long-term debt	$	22,968

8. Common Stock and Stockholders’ Equity

Each share of Class A common stock is entitled to one vote per share. Each share of Class B common stock is entitled to ten votes per share and is convertible at any time into one share of Class A common stock.

The table below summarizes the Class A common stock and Class B common stock authorized, issued and outstanding as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	76,866
Class B common stock	120,000	29,971
Total	1,120,000	106,837

	December 31, 2022
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	70,723
Class B common stock	120,000	30,809
Total	1,120,000	101,532

9. Stock-Based Compensation

The Company has stock-based compensation plans, which are more fully described in Note 11, Stock-Based Compensation Plans, to the Consolidated Financial Statements included in the 2022 10-K. During the nine months ended September 30, 2023, the Company granted restricted stock units subject to service conditions.

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Stock-Based Compensation Expense

The following table provides information about stock-based compensation expense by financial statement line item:

	Three Months Ended				Nine Months Ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
	(in thousands)
Operations, product, and technology	$	2,858	$	2,480	$	9,442	$	7,842
Marketing	1,264		818		3,392		2,377
Sales, general, and administrative	3,766		3,879		12,073		10,539
Total stock-based compensation expense	$	7,888	$	7,177	$	24,907	$	20,758

Stock-based compensation expense capitalized in internal use software was not material for the three months ended September 30, 2023 and 2022, respectively, and was $0.5 million and $0.4 million for the nine months ended September 30, 2023 and 2022, respectively.

Stock Options

The following table summarizes the activities for all stock options under the Company’s share-based compensation plans for the nine months ended September 30, 2023:

	Number of Options Outstanding	Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Life	Aggregate Intrinsic Value (1)
	(in thousands)				(in thousands)
Outstanding as of December 31, 2022	17,872	$	1.97	5.20 years	$	1,442
Granted	—	$	—
Exercised	(505)	$	1.86
Forfeited or expired	(347)	$	3.36
Outstanding as of September 30, 2023	17,020	$	1.95	4.50 years	$	36,049
Exercisable as of September 30, 2023	15,128	$	1.91	4.21 years	$	32,498

(1)The intrinsic value is the amount by which the current market value of the underlying stock exceeds the exercise price of the stock awards.

There were no options granted during the three and nine months ended September 30, 2023 and 2022. The total intrinsic value of stock options exercised during the nine months ended September 30, 2023 was $0.6 million.

As of September 30, 2023, the total unrecognized compensation cost related to all nonvested stock options was $1.7 million and the related weighted-average period over which it is expected to be recognized was approximately 1.06 years.

Restricted Stock Units

The following table summarizes the activities for all restricted stock units (“RSUs”) under the Company’s share-based compensation plans for the nine months ended September 30, 2023:

	Number of Shares	Weighted-Average Grant Date Fair Value Per Share
	(in thousands)
Outstanding and nonvested as of December 31, 2022	7,855	$	8.01
Granted	8,917	$	1.86
Vested	(4,788)	$	5.14
Forfeited	(1,075)	$	4.65
Outstanding and nonvested as of September 30, 2023	10,909	$	4.57

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The total vesting date fair value of RSUs that vested during the nine months ended September 30, 2023 was $24.6 million.

During the three months ended March 31, 2023, the Company modified the vesting schedule of substantially all RSUs outstanding as of December 31, 2022 from 4 years to 3 years and recognized compensation expense of $2.4 million related to the acceleration of the vesting schedule.

As of September 30, 2023, the total unrecognized compensation cost related to all nonvested RSUs was $47.0 million and the related weighted-average period over which it is expected to be recognized was approximately 1.88 years.

10. Commitments and Contingencies

Legal Contingencies

The Company is subject to litigation claims and assessments from time to time in the ordinary course of business. The Company’s management does not believe that any such matters, individually or in the aggregate, will have a material adverse effect on the Company’s business, financial condition, results of operations or cash flows.

Indemnifications

In the normal course of business, the Company enters into contracts and agreements that contain a variety of representations and warranties and provide for limited and customary indemnification obligations. The Company’s exposure under these agreements is unknown because it involves claims that may be made against the Company in the future, but that have not yet been made.

11. Income Taxes

The quarterly income tax provision reflects an estimate of the corresponding quarter’s state taxes in the United States. The provision for income tax expense for the three and nine months ended September 30, 2023 and 2022 was determined based upon estimates of the Company’s annual effective tax rate for the years ending December 31, 2023 and 2022, respectively. Since the Company is in a full valuation allowance position due to losses incurred since inception, the provision for taxes consists solely of certain state income taxes.

12. Loss Per Share

The following participating securities have been excluded from the computation of diluted loss per share for the periods presented because including them would have been anti-dilutive:

	September 30, 2023	September 30, 2022
	(in thousands)
Outstanding stock options	17,020	17,966
Restricted stock units	10,909	8,693
Delayed share issuance related to acquisition	—	131
Employee stock purchase plan	97	230
Total	28,026	27,020

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

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with other information, including our condensed consolidated financial statements and related notes included in Part I, Item 1, Financial Statements, of this Quarterly Report on Form 10-Q; Part I, Item 1A, Risk Factors, of this Quarterly Report on Form 10-Q; and our consolidated financial statements and related notes appearing in our Annual Report on Form 10-K for the year ended December 31, 2022 (the “2022 10-K”). The following discussion contains forward-looking statements that reflect our plans, estimates and beliefs. Our actual results could differ materially from those discussed in the forward-looking statements. You should review the section titled “Special Note Regarding Forward-Looking Statements” for a discussion of forward-looking statements and the section titled “Risk Factors” for a discussion of 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. Our historical results are not necessarily indicative of the results that may be expected for any period in the future, and our interim results are not necessarily indicative of the results we expect for the full calendar year or any other period.

Overview

thredUP operates one of the world’s largest online resale platforms for apparel, shoes and accessories. Our mission is to inspire a new generation of consumers to think secondhand first. We believe in a sustainable fashion future and we are proud that our business model creates a positive impact to the benefit of our buyers, sellers, clients, employees, investors and the environment. Our custom-built operating platform consists of distributed processing infrastructure, proprietary software and systems and data science expertise. This platform is powering the rapidly emerging resale economy, one of the fastest growing sectors in retail, according to a GlobalData market survey conducted in January 2023.

thredUP’s proprietary operating platform is the foundation for our managed marketplace, where we have bridged online and offline technology to make the buying and selling of tens of millions of unique items easy and fun. The marketplaces we have built enable buyers in the U.S. and in Europe to browse and purchase resale items for primarily apparel, shoes and accessories across a wide range of price points. Buyers love shopping value, premium and luxury brands all in one place, at up to 90% off estimated retail price. Sellers love thredUP because we make it easy to clean out their closets and unlock value for themselves or for the charity of their choice while doing good for the planet. thredUP’s sellers order a Clean Out Kit, fill it and return it to us using our prepaid label. We take it from there and do the work to make those items available for resale. Aside from Clean Out Kits, thredUP also sources inventory from a variety of supply channels, such as wholesale supply in Europe.

In addition to our core marketplace, some of the world’s leading brands and retailers are taking advantage of our RaaS offering, which allows them to conveniently offer a scalable closet clean out service and/or resale shop to their customers. We believe RaaS will accelerate the growth of this emerging category and form the backbone of the modern resale experience domestically and internationally.

Key Factors Affecting Our Performance

Macroeconomic Factors

Macroeconomic factors, including inflation, increased interest rates, significant capital market volatility, and global economic and geopolitical developments have direct and indirect impacts on our results of operations that are difficult to isolate and quantify. These factors contributed to increases in our operating costs during 2022 and the first three quarters of 2023 primarily due to increased transportation costs and wage rates. In addition, rising fuel, utility, and food costs, rising interest rates, and recessionary fears may impact customer demand and our ability to forecast consumer spending patterns. We expect some or all of these factors to continue to impact our operations at least throughout the rest of 2023.

Overview of Third Quarter Results

Revenue: Total revenue was $82.0 million, representing an increase of 20.8% year-over-year.

Gross Profit and Margin: Gross profit totaled $56.6 million, representing an increase of 27.3% year-over-year. Gross margin was 69.0%, an increase of 350 basis points from 65.5% in the comparable quarter last year.

Net Loss: Net loss was $18.1 million, or a negative 22.0% of revenue, for the third quarter of 2023, compared to a net loss of $23.7 million, or a negative 34.8% of revenue, for the third quarter of 2022.

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Non-GAAP Adjusted EBITDA Loss: Non-GAAP Adjusted EBITDA loss was $3.6 million, or a negative 4.4% of revenue, for the third quarter of 2023, compared to Non-GAAP Adjusted EBITDA loss of $11.0 million, or a negative 16.2% of revenue, for the third quarter of 2022. Non-GAAP Adjusted EBITDA loss and Non-GAAP Adjusted EBITDA loss margin are non-GAAP measures which may not be comparable to similarly-titled measures used by other companies. See below for a reconciliation of Non-GAAP Adjusted EBITDA loss to net loss.

Active Buyers and Orders: Active Buyers totaled 1.8 million and Orders totaled 1.8 million in the third quarter of 2023, representing an increase of 4.1% and an increase of 11.4%, respectively, compared to the third quarter of 2022.

Key Financial and Operating Metrics

We review a number of operating and financial metrics, including the following key business and non-GAAP metrics, to evaluate our business, measure our performance, identify trends affecting our business, formulate business plans and make strategic decisions. These key financial and operating metrics are set forth below for the periods presented.

	Three Months Ended								Nine Months Ended
	September 30, 2023			September 30, 2022			Change		September 30, 2023			September 30, 2022			Change
	(in thousands, except percentages)
Active Buyers (as of period end)	1,763			1,694			4.1	%	1,763			1,694			4.1	%
Orders	1,803			1,618			11.4	%	5,103			4,962			2.8	%
Total revenue	$	82,049		$	67,945		20.8	%	$	240,629		$	217,061		10.9	%
Gross profit	$	56,627		$	44,496		27.3	%	$	163,452		$	147,372		10.9	%
Gross margin	69.0		%	65.5		%	350	bps	67.9		%	67.9		%	—	bps
Net loss	$	(18,082)		$	(23,678)		(23.6)	%	$	(56,635)		$	(72,785)		(22.2)	%
Net loss margin	(22.0)		%	(34.8)		%	1,280	bps	(23.5)		%	(33.5)		%	1,000	bps
Non-GAAP Adjusted EBITDA loss(1)	$	(3,588)		$	(11,041)		(67.5)	%	$	(15,235)		$	(37,545)		(59.4)	%
Non-GAAP Adjusted EBITDA loss margin(1)	(4.4)		%	(16.2)		%	1,180	bps	(6.3)		%	(17.3)		%	1,100	bps

(1)Non-GAAP Adjusted EBITDA loss and Non-GAAP Adjusted EBITDA loss margin are non-GAAP measures which may not be comparable to similarly-titled measures used by other companies. See below for a reconciliation of Non-GAAP Adjusted EBITDA loss to net loss.

Active Buyers

An Active Buyer is a thredUP buyer who has made at least one purchase in the last twelve months. A thredUP buyer is a customer who has created an account and purchased in our marketplaces, including through our RaaS clients, and is identified by a unique email address. A single person could have multiple thredUP accounts and count as multiple Active Buyers. The number of Active Buyers is a key driver of revenue for our marketplaces.

Orders

Orders means the total number of orders placed by buyers across our marketplaces, including through our RaaS clients, in a given period, net of cancellations.

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Non-GAAP Financial Metrics

Non-GAAP Adjusted EBITDA Loss and Non-GAAP Adjusted EBITDA Loss Margin

Non-GAAP Adjusted EBITDA loss means net loss adjusted to exclude, where applicable in a given period, interest expense, provision for income taxes, depreciation and amortization, stock-based compensation expense, acquisition-related expenses, and severance and other charges. Non-GAAP Adjusted EBITDA loss margin represents Non-GAAP Adjusted EBITDA loss divided by Total revenue. We use Non-GAAP Adjusted EBITDA loss and Non-GAAP Adjusted EBITDA loss margin, non-GAAP metrics, to evaluate and assess our operating performance and the operating leverage in our business, and for internal planning and forecasting purposes. We believe that Non-GAAP Adjusted EBITDA loss and Non-GAAP Adjusted EBITDA loss margin, when taken collectively with our GAAP results, may be helpful to investors because they provide consistency and comparability with past financial performance and assist in comparisons with other companies, some of which use similar non-GAAP financial information to supplement their GAAP results.

The following table provides a reconciliation of net loss to Non-GAAP Adjusted EBITDA loss:

	Three Months Ended						Nine Months Ended
	September 30, 2023			September 30, 2022			September 30, 2023			September 30, 2022
	(in thousands)
Net loss	$	(18,082)		$	(23,678)		$	(56,635)		$	(72,785)
Interest expense	732			103			1,530			764
Provision for income taxes	3			9			24			31
Depreciation and amortization	5,364			3,539			13,881			10,217
Stock-based compensation expense	7,888			7,177			24,907			20,758
Severance and other	507			1,809			1,058			3,470
Non-GAAP Adjusted EBITDA loss	$	(3,588)		$	(11,041)		$	(15,235)		$	(37,545)
Total revenue	$	82,049		$	67,945		$	240,629		$	217,061
Non-GAAP Adjusted EBITDA loss margin	(4.4)		%	(16.2)		%	(6.3)		%	(17.3)		%

Comparison of the Three and Nine Months Ended September 30, 2023 and 2022

Revenue

	Three Months Ended						Change				Nine Months Ended						Change
	September 30, 2023			September 30, 2022			Amount		%		September 30, 2023			September 30, 2022			Amount		%
	(in thousands, except percentages)
Consignment revenue	$	57,838		$	41,553		$	16,285	39.2	%	$	157,732		$	137,524		$	20,208	14.7	%
Product revenue	24,211			26,392			(2,181)		(8.3)	%	82,897			79,537			3,360		4.2	%
Total revenue	$	82,049		$	67,945		$	14,104	20.8	%	$	240,629		$	217,061		$	23,568	10.9	%
Consignment revenue as a percentage of total revenue	70.5		%	61.2		%					65.5		%	63.4		%
Product revenue as a percentage of total revenue	29.5		%	38.8		%					34.5		%	36.6		%

Total revenue increased $14.1 million, or 20.8%, for the three months ended September 30, 2023 as compared to the same period in 2022. The increase in revenue for the three months ended September 30, 2023 as compared to the same period in 2022 was due to an 11.4% increase in Orders and a 4.1% increase in Active Buyers.

Total revenue increased $23.6 million, or 10.9%, for the nine months ended September 30, 2023 as compared to the same period in 2022. The increase in revenue for the nine months ended September 30, 2023 as compared to the same period in 2022 was due to a 4.1% increase in Active Buyers and a 2.8% increase in Orders.

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Cost of Revenue

	Three Months Ended						Change				Nine Months Ended						Change
	September 30, 2023			September 30, 2022			Amount		%		September 30, 2023			September 30, 2022			Amount		%
	(in thousands, except percentages)
Cost of consignment revenue	$	10,131		$	9,087		$	1,044	11.5	%	$	28,931		$	29,354		$	(423)	(1.4)	%
Cost of product revenue	15,291			14,362			929		6.5	%	48,246			40,335			7,911		19.6	%
Total cost of revenue	$	25,422		$	23,449		$	1,973	8.4	%	$	77,177		$	69,689		$	7,488	10.7	%
Gross profit	$	56,627		$	44,496		$	12,131	27.3	%	$	163,452		$	147,372		$	16,080	10.9	%
Gross margin	69.0		%	65.5		%					67.9		%	67.9		%

Gross margin was 69.0% and 65.5% for the three months ended September 30, 2023 and 2022, respectively, or an increase of 350 basis points, and 67.9% for the nine months ended September 30, 2023 and 2022.

Consignment revenue is recognized net of seller payouts and cost of items sold, whereas for product revenue, seller payouts and cost of items sold are included as a component of cost of revenue. As such, product revenue has a lower gross margin than consignment revenue.

The increase in gross margin for the three months ended September 30, 2023 as compared to the same period in 2022 was primarily due to the mix shift between consignment and product revenue as our RaaS partners transition to the consignment model. Consignment revenue increased by 39.2% while product revenue decreased by 8.3%. The increase in gross margin was primarily due to a 340 basis point decrease in shipping, labor and packaging costs as a percentage of revenue.

Gross margin for the nine months ended September 30, 2023 was flat as compared to the same period in 2022, which was due to a 210 basis point increase in payouts, offset by a similar decrease in shipping, labor and packaging costs.

Cost of Consignment Revenue

	Three Months Ended						Change				Nine Months Ended						Change
	September 30, 2023			September 30, 2022			Amount		%		September 30, 2023			September 30, 2022			Amount		%
	(in thousands, except percentages)
Cost of consignment revenue	$	10,131		$	9,087		$	1,044	11.5	%	$	28,931		$	29,354		$	(423)	(1.4)	%
Consignment gross margin	82.5		%	78.1		%					81.7		%	78.7		%

Consignment gross margin was 82.5% and 78.1% for the three months ended September 30, 2023 and 2022, respectively, or an increase of 440 basis points, and 81.7% and 78.7% for the nine months ended September 30, 2023 and 2022, respectively, or an increase of 300 basis points.

The increase in consignment gross margin for the three months ended September 30, 2023 as compared to the same period in 2022 was primarily due to a 410 basis point decrease in outbound shipping, labor and packaging costs.

The increase in consignment gross margin for the nine months ended September 30, 2023 as compared to the same period in 2022 was primarily due to a 290 basis point decrease in outbound shipping, labor and packaging costs.

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Cost of Product Revenue    

	Three Months Ended						Change				Nine Months Ended						Change
	September 30, 2023			September 30, 2022			Amount		%		September 30, 2023			September 30, 2022			Amount		%
	(in thousands, except percentages)
Cost of product revenue	$	15,291		$	14,362		$	929	6.5	%	$	48,246		$	40,335		$	7,911	19.6	%
Product gross margin	36.8		%	45.6		%					41.8		%	49.3		%

Product gross margin was 36.8% and 45.6% for the three months ended September 30, 2023 and 2022, respectively, or a decrease of 880 basis points, and 41.8% and 49.3% for the nine months ended September 30, 2023 and 2022, respectively, or a decrease of 750 basis points.

The decrease in product gross margin for the three months ended September 30, 2023 as compared to the same period in 2022 was primarily due to the growth of our European operations as a percentage of product revenue, which has lower gross margin, partially offset by a 340 basis point decrease in labor, shipping and packaging costs.

The decrease in product gross margin for the nine months ended September 30, 2023 as compared to the same period in 2022 was due to the growth of our European operations as a percentage of product revenue, which has lower gross margin, partially offset by a 100 basis point decrease in labor, shipping and packaging costs.

Operations, Product, and Technology

	Three Months Ended						Change				Nine Months Ended						Change
	September 30, 2023			September 30, 2022			Amount		%		September 30, 2023			September 30, 2022			Amount		%
	(in thousands, except percentages)
Operations, product, and technology	$	40,355		$	38,702		$	1,653	4.3	%	$	118,473		$	121,824		$	(3,351)	(2.8)	%
Operations, product, and technology as a percentage of total revenue	49.2		%	57.0		%					49.2		%	56.1		%

Operations, product, and technology expenses increased $1.7 million, or 4.3%, for the three months ended September 30, 2023 as compared to the same period in 2022. The increase was primarily due to a $1.7 million increase in facilities, technology, and other allocated costs and a $0.4 million increase in personnel-related costs, offset by a $0.3 million decrease in inbound shipping costs and a $0.2 million decrease in professional services.

Operations, product, and technology expenses decreased $3.4 million, or 2.8% for the nine months ended September 30, 2023 as compared to the same period in 2022. The decrease was due to a $4.7 million decrease in personnel-related costs, a $1.0 million decrease in inbound shipping, and a $0.9 million decrease in professional services, offset by a $3.2 million increase in facilities, technology, and other allocated costs.

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Marketing

	Three Months Ended						Change				Nine Months Ended						Change
	September 30, 2023			September 30, 2022			Amount		%		September 30, 2023			September 30, 2022			Amount		%
	(in thousands, except percentages)
Marketing	$	19,406		$	14,752		$	4,654	31.5	%	$	54,919		$	51,370		$	3,549	6.9	%
Marketing as a percentage of total revenue	23.7		%	21.7		%					22.8		%	23.7		%

Marketing expenses increased $4.7 million, or 31.5%, for the three months ended September 30, 2023 as compared to the same period in 2022. The increase was due to a $4.6 million increase in social advertising and other lead generation costs and a $0.8 million increase in personnel-related costs, partially offset by a $0.6 million decrease in professional services and other costs.

Marketing expenses increased $3.5 million, or 6.9%, for the nine months ended September 30, 2023 as compared to the same period in 2022. The increase was due to a $2.9 million increase in social advertising and other lead generation costs and a $1.8 million increase in personnel-related costs, of which $1.0 million was related to stock-based compensation expense, partially offset by a $1.1 million decrease in professional services and other costs.

Sales, General and Administrative

	Three Months Ended						Change				Nine Months Ended						Change
	September 30, 2023			September 30, 2022			Amount		%		September 30, 2023			September 30, 2022			Amount		%
	(in thousands, except percentages)
Sales, general, and administrative	$	15,058		$	15,232		$	(174)	(1.1)	%	$	47,147		$	47,276		$	(129)	(0.3)	%
Sales, general, and administrative as a percentage of total revenue	18.4		%	22.4		%					19.6		%	21.8		%

Sales, general and administrative decreased $0.2 million, or 1.1%, for the three months ended September 30, 2023 as compared to the same period in 2022. The decrease was due to a $0.3 million decrease in personnel-related costs, partially offset by a $0.1 million increase in facilities, technology, and other costs.

Sales, general, and administrative expenses remained flat for the nine months ended September 30, 2023 as compared to the same period in 2022, which was due to a $2.3 million decrease in professional services, partially offset by a $1.6 million increase in personnel-related costs and a $0.6 million increase in facilities, technology, and other costs.

Interest Expense

	Three Months Ended				Change				Nine Months Ended				Change
	September 30, 2023		September 30, 2022		Amount		%		September 30, 2023		September 30, 2022		Amount		%
	(in thousands, except percentages)
Interest expense	$	732	$	103	$	629	610.7	%	$	1,530	$	764	$	766	100.3	%

Interest expense increased $0.6 million for the three months ended September 30, 2023 as compared to the same period in 2022. The increase during the three months ended September 30, 2023 was primarily due to $0.5 million of capitalized interest expense during the three months ended September 30, 2022 in conjunction with the build-out of our distribution centers. There was no such capitalized interest during the three months ended September 30, 2023.

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Interest expense increased $0.8 million for the nine months ended September 30, 2023 as compared to the same period in 2022. This increase was primarily due to a $0.6 million increase in interest costs and a $0.3 million decrease in capitalized interest expense in conjunction with the build-out of our distribution centers, offset by a $0.1 million decrease in amortization of debt issuance costs.

Other Income, Net

	Three Months Ended				Change				Nine Months Ended				Change
	September 30, 2023		September 30, 2022		Amount		%		September 30, 2023		September 30, 2022		Amount		%
	(in thousands, except percentages)
Other income, net	$	(845)	$	(624)	$	(221)	35.4	%	$	(2,006)	$	(1,108)	$	(898)	81.0	%

Other income, net increased $0.2 million for the three months ended September 30, 2023 as compared to the same period in 2022. The increase was primarily due to an increase in interest income on our marketable securities due to a higher interest rate environment.

Other income, net increased $0.9 million for the nine months ended September 30, 2023 as compared to the same period in 2022. The increase was primarily due to an increase in interest income on our marketable securities due to a higher interest rate environment.

Liquidity and Capital Resources

We have historically generated negative cash flows from operations and have primarily financed our operations through private and public sales of equity securities and debt. As of September 30, 2023, we had cash, cash equivalents and short-term marketable securities of $74.1 million. Additionally, we have a term loan facility (“Term Loan”) under which $38.0 million remained available to be drawn as of September 30, 2023 and we were in full compliance with our debt covenants under the Term Loan as of that date. See Note 7, Long-Term Debt, to the Condensed Consolidated Financial Statements included in Part I, Item 1, Financial Statements, of this Quarterly Report on Form 10-Q for a further discussion on our Term Loan.

We expect operating losses and negative cash flows from operations to continue in 2023 as we continue to invest in growing our business and our infrastructure. Our primary use of cash includes operating costs such as distribution network spend, product and technology expenses, marketing expenses, personnel expenses and other expenditures necessary to support our operations and our growth. Additionally, our primary capital expenditures are related to the set-up, expansion and/or automation of our distribution network. Based upon our current operating plans, we believe that our existing cash, cash equivalents and short-term marketable securities will be sufficient for at least the next 12 months to meet our short- and long-term capital requirements, and we do not anticipate expanding our distribution network to include additional locations in the near term. Our cash flow forecast is a forward-looking statement that involves risks and uncertainties, and actual results could vary materially.

Our future capital requirements will depend on many factors, including but not limited to, the timing of our increased distribution center automation and expansion plans to support planned revenue growth, the expansion of sales and marketing activities, the potential introduction of new offerings and new RaaS clients, the continuing growth of our marketplaces and overall economic conditions. However, we expect that our capital expenditures will be limited in the remainder of 2023 as we have completed the first phase of our new distribution center in Texas. We may seek additional equity or debt financing. See the section titled “Risk Factors—Risks Relating to Our Indebtedness and Liquidity—We may require additional capital to support business growth, and this capital might not be available or may be available only by diluting existing stockholders” within the 2022 10-K.

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Cash Flows

The following table summarizes our cash flows for the periods indicated:

	Nine Months Ended
	September 30, 2023		September 30, 2022
	(in thousands)
Net cash provided by (used in):
Operating activities	$	(14,616)	$	(36,939)
Investing activities	48,353		(6,961)
Financing activities	(2,983)		(2,922)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(230)		(918)
Net change in cash, cash equivalents and restricted cash	$	30,524	$	(47,740)

Changes in Cash Flows from Operating Activities

Net cash used in operating activities was $14.6 million during the nine months ended September 30, 2023, compared to net cash used of $36.9 million during the nine months ended September 30, 2022. Operating cash flows during the nine months ended September 30, 2023 reflect our net loss of $56.6 million, non-cash adjustments of $43.6 million primarily for depreciation, amortization, stock-based compensation, and the reduction of the carrying amount of right of use assets, and a net cash outflow of $1.6 million due to changes in our operating assets and liabilities. The $1.6 million outflow from changes in operating assets and liabilities was primarily due to a $12.0 million decrease due to lower operating lease liabilities and accrued liabilities, and higher accounts receivable and inventory, partially offset by a $10.5 million increase due to higher seller payables and accounts payable and lower other current and non-current assets.

Changes in Cash Flows from Investing Activities

Net cash provided by investing activities for the nine months ended September 30, 2023 increased $55.3 million as compared to the same period in 2022. The increase in cash inflows was primarily due to an increase in cash inflows of $29.8 million from net maturities of marketable securities and a $25.5 million decrease in purchases of property and equipment in the current period.

Changes in Cash Flows from Financing Activities

Net cash used in financing activities for the nine months ended September 30, 2023 increased $0.1 million as compared to the same period in 2022 which was primarily due to a decrease of $2.3 million in repayments of debt, offset by a net decrease of $1.9 million in cash outflows related to stock-based award activity.

Critical Accounting Policies and Estimates

U.S. GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the year. We base our estimates and assumptions on current facts, historical experience and various other factors that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities and the recording of revenue, costs and expenses. Actual results could differ from those estimates.

There have been no material changes to our critical accounting policies since the 2022 10-K. For a description of critical accounting policies that affect our significant judgments and estimates used in the preparation of our condensed consolidated financial statements, see Part II, Item 7, Management’s Discussion and Analysis of Financial Condition and Results of Operations, of the 2022 10-K.

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JOBS Act Accounting Election

We are an “emerging growth company,” as defined in the Jumpstart Our Business Startups Act (“JOBS Act”). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards until such time as those standards apply to private companies. We have elected to use this extended transition period until we are no longer an emerging growth company or until we affirmatively and irrevocably opt out of the extended transition period. Accordingly, our condensed consolidated financial statements may not be comparable to companies that comply with new or revised accounting pronouncements as of public company effective dates.

New Accounting Pronouncements

See discussion under Note 2, Significant Accounting Policies, to the Condensed Consolidated Financial Statements included in Part I, Item 1, Financial Statements, of this Quarterly Report on Form 10-Q for information on new accounting pronouncements.

Item 3.    Quantitative and Qualitative Disclosures About Market Risk

We are exposed to market risks in the ordinary course of our business. These risks primarily include:

Interest Rate Risk

As of September 30, 2023, we had cash and cash equivalents of $68.6 million and marketable securities of $5.6 million, consisting primarily of money market funds, commercial paper, corporate debt securities, U.S. treasury securities and U.S. government agency bonds and discount notes, which carry a degree of interest rate risk. The primary objective of our investment activities is to preserve principal while maximizing income without significantly increasing risk. 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. Due to the short- to intermediate-term nature of our investments, we have not been exposed to, nor do we anticipate being exposed to, material risks due to fluctuations in interest rates.

The Term Loan bears variable interest rates tied to the prime rate, with a floor of 6.00%, and therefore carries interest rate risk. If interest rates were to increase or decrease by 1% for the year and our borrowing amounts on the Term Loan remained constant, our annual interest expense would not materially increase or decrease. See the risk factor discussion captioned "Risks Relating to Our Indebtedness and Liquidity—Recent events affecting the financial services industry could have an adverse impact on our business, results of operations and financial conditions" under Part II, Item 1A of this Quarterly Report on Form 10-Q for more discussion on adverse developments affecting the financial services industry that may have an adverse impact on our business, results of operations and financial conditions.

Inflation Risk

As of September 30, 2023, inflation remains at elevated levels in the U.S. and overseas where we conduct our business, resulting in rising interest rates and fuel, labor and processing, freight and other costs that have affected our gross margin and operating expenses. We believe these increases have negatively impacted our business, and although difficult to quantify, inflation is potentially having an adverse effect on our customers’ ability to purchase in our marketplaces, resulting in slowing revenue and Order growth. If we are unable to increase our prices to sufficiently offset the rising costs of doing business, our profitability and financial position could be adversely impacted.

Foreign Currency Exchange Rate Risk

We transact business in Europe through Remix in multiple currencies. As a result, our operating results, cash flows and net investment in Remix are subject to fluctuations due to changes in foreign currency exchange rates. As of September 30, 2023, our most significant currency exposure was the Bulgarian lev. We manage our foreign currency exchange rate risks through natural hedges including foreign currency revenue and costs matching, as well as foreign currency assets offsetting liabilities. We have not entered into any hedging arrangements with respect to foreign currency risk, but we may do so in the future if our exposure to foreign currency becomes more significant.

Assets and liabilities of our foreign operations are translated into dollars at period-end rates, while income and expenses are translated using the average exchange rate during the period in which the transactions occurred. The related translation adjustments were reflected as an unfavorable foreign currency translation adjustment of $0.8 million during the nine months ended September 30, 2023, which was recognized in accumulated other comprehensive loss within our condensed consolidated balance sheet.

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A hypothetical 10% change in foreign currency exchange rates would not have had a material impact on our financial condition or results of operations during any of the periods presented.

Item 4.    Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we evaluated the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), as of the end of the period covered by this report. The term “disclosure controls and procedures,” as defined under the Exchange Act, means controls and procedures that are designed to ensure that information required to be disclosed in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to our management, including the Chief Executive Officer and the Chief Financial Officer, to allow timely decisions regarding required disclosures. Any controls and procedures, no matter how well designed and operated, can provide only reasonable, not absolute, assurance of achieving the desired control objective and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Further, no evaluation of control can provide absolute assurance that misstatements due to error or fraud will not occur or that all control issues and instances of fraud, if any, within the Company have been detected.

Because of the material weakness in our internal control over financial reporting discussed below, our Chief Executive Officer and Chief Financial Officer concluded that, as of September 30, 2023, our disclosure controls and procedures were not effective. In light of this fact, our management, including our Chief Executive Officer and Chief Financial Officer, has put in place processes and controls and other post-closing procedures and has concluded that, notwithstanding the material weakness in our internal control over financial reporting, the unaudited interim condensed consolidated financial statements for the periods covered by and included in this Quarterly Report on Form 10-Q fairly present, in all material respects, our financial position, results of operations and cash flows for the periods presented in conformity with GAAP.

Previously Reported Material Weaknesses in Internal Control Over Financial Reporting

As previously described in the 2022 10-K, in connection with the audits of our consolidated financial statements in certain prior years, we and our independent registered public accounting firms identified certain control deficiencies in the design and implementation of our internal control over financial reporting that, in the aggregate, constituted a material weakness. 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 consolidated financial statements will not be prevented or detected on a timely basis.

Our material weakness related to the following control deficiency:

•We did not design and maintain adequate controls over the preparation and review of certain account reconciliations and journal entries. Specifically, we did not design and maintain controls and we did not maintain a sufficient complement of accounting personnel to ensure account reconciliations were prepared and reviewed at the appropriate level of precision on a consistent and timely basis.

The deficiency described above, if not remediated, could result in a misstatement of one or more account balances or disclosures in our annual or interim consolidated financial statements that would not be prevented or detected, and, accordingly, we determined that this control deficiency constitutes a material weakness.

Remediation Plans

To address our material weakness, we have added accounting and finance personnel and implemented new financial accounting processes, controls, and systems. We are continuing to take steps to remediate the material weakness described above through hiring additional qualified accounting and finance resources and further evolving our accounting close processes. We will not be able to fully remediate this control deficiency until these steps have been completed and the controls have been operating effectively for a sufficient period of time.

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Changes in Internal Control over Financial Reporting

We are taking actions to remediate the material weakness relating to our internal control over financial reporting, as described above. Except as described above, there was not any change in our internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during our most recent fiscal quarter 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

We are not a party to any material pending legal proceedings. From time to time, we may be subject to legal proceedings and claims arising in the ordinary course of business.

Item 1A.    Risk Factors

The Company is supplementing the risk factors previously disclosed in the section titled “Risk Factors” in Part I, Item 1A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2022 filed with the SEC on March 7, 2023 (our “Fiscal 2022 10-K”) and Part II, Item 1A, Risk Factors, of our Quarterly Reports on Form 10-Q for the quarter ended March 31, 2023 (“Q1 2023 10-Q”) and the quarter ended June 30, 2023 (“Q2 2023 10-Q”) to include the following risk factors, which should be read in conjunction with the other risk factors presented in our Fiscal 2022 10-K, our Q1 2023 10-Q and our Q2 2023 10-Q.

Our business is affected by seasonality and we may be adversely affected by weather conditions, including any potential effects from climate change.

Seasonality in our core marketplace does not follow that of traditional retailers, such as typical concentration of revenue in the holiday quarter, and we see relatively stable demand from our buyers throughout the year. However, our business has in the past, and may in the future be adversely affected by unseasonable weather conditions, including those resulting from climate change in both our U.S. and EU markets. For example, we have observed that periods of unseasonably warm weather in the fall and winter may lead to reduced consumer spending on winter apparel that tends to have a higher average selling price, which negatively impacts our business. The effects of unseasonably warm weather are particularly pronounced on our Remix platform, which unlike our core marketplace, tends to see an increased concentration of revenue in winter months due to increased sales of winter apparel. As the effects of climate change increase, we expect the frequency and impact of weather and climate related events and conditions to increase as well. Any and all of these risks may materially and adversely affect our financial condition, results of operations and cash flows.

We rely on consumer discretionary spending and have been and may continue to be adversely affected by economic downturns and other macroeconomic conditions or trends.

Our business and results of operations are subject to global economic conditions and their impact on consumer discretionary spending, particularly in the retail market. Some of the factors that may negatively influence consumer spending on retail items include economic downturns, high levels of unemployment, high consumer debt levels, reductions in net worth, declines in asset values, home foreclosures and reductions in home values, fluctuating interest rates and credit availability, inflation, resumption of federal student loan payments, fluctuating fuel and other energy costs, fluctuating commodity prices and general uncertainty regarding the overall future political and economic environment. Economic conditions in particular regions may also be affected by natural disasters, such as earthquakes, hurricanes and wildfires; unforeseen public health crises, such as pandemics and epidemics, including the COVID-19 pandemic; political crises, such as a government shutdown, terrorist attacks, war and other incidents of political instability, such as Russia’s invasion of Ukraine and the Israel-Hamas war; or other catastrophic events, whether occurring in the United States or internationally.

Traditionally, consumer purchases of new retail items have declined during periods of economic uncertainty, when disposable income is reduced or when there is a reduction in consumer confidence. This has also resulted in increases in inventory levels which can lead to increased price competition and depressed margins. Such economic uncertainty and decrease in the rate of retail purchases in the primary market may slow the rate at which individuals choose to supply their secondhand items to us, which could result in a decrease of items available in our marketplaces, and may also slow the rate at which individuals choose to buy secondhand items and their value on our marketplaces, including through a relative increase in purchases in the primary market compared with the resale market. The presence or absence of government stimulus funding programs has had and may continue to have an impact on consumer discretionary spending and, consequently, purchases through our marketplaces. Further, we cannot guarantee that buyers will continue to buy at current rates if the economy worsens. Adverse economic changes could reduce consumer confidence, and thereby negatively affect our results of operations.

Item 2.    Unregistered Sales of Equity Securities and Use of Proceeds

(a)None.

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(b)On March 30, 2021, we closed our IPO, in which we sold 13,800,000 shares of our Class A common stock at an offering price of $14.00 per share, including 1,800,000 shares pursuant to the exercise of the underwriters’ option to purchase additional shares of our Class A common stock, resulting in net proceeds to us of $175.5 million after deducting offering costs, underwriting discounts and commissions of $17.7 million. All of the shares offered, issued and sold in our IPO were registered under the Securities Act pursuant to a registration statement on Form S-1 (File No. 333-253834), which was declared effective by the SEC on March 25, 2021. There has been no material change in the planned use of proceeds from the IPO as disclosed in our final prospectus filed pursuant to Rule 424(b) on March 26, 2021.

(c)None.

Item 3.    Defaults Upon Senior Securities

None.

Item 4.    Mine Safety Disclosures

Not applicable.

Item 5.    Other Information

(a)None.

(b)None.

Item 6.    Exhibits

(a)Exhibit Index:

32

		Incorporated by Reference
Exhibit Number	Description	Form	Exhibit	Filing Date
3.1	Amended and Restated Certificate of Incorporation of the Registrant	S-1	3.2	3/3/2021
3.2	Amended and Restated Bylaws of the Registrant, as adopted on February 16, 2023	8-K	3.1	2/21/2023
4.1	Form of Class A common stock certificate of the Registrant	S-1	4.1	3/3/2021
4.2	Tenth Amended and Restated Investors’ Rights Agreement, dated February 16, 2021, by and among the Registrant and certain of its stockholders	S-1	4.2	3/3/2021
31.1*	Certification of Principal Executive Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Certification of Principal Financial Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**	Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2**	Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS*	XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH*	Inline XBRL Taxonomy Extension Schema Document
101.CAL*	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF*	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB*	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE*	Inline XBRL Taxonomy Extension Presentation Linkbase Document
104*	Cover Page Interactive Data File (formatted as inline XBRL with applicable taxonomy extension information contained in Exhibits 101)

*    Filed herewith.

**    Furnished herewith.

†    Certain schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K under the Securities Act. The Company agrees to furnish supplementally any omitted schedules to the Securities and Exchange Commission upon request.

^    Portions of this exhibit have been omitted pursuant to Item 601(b)(10)(iv) of Regulation S-K because they are both (i) not material and (ii) the type that the registrant treats as private or confidential. A copy of the omitted portions will be furnished to the Securities and Exchange Commission upon request.

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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.

THREDUP INC.
By:	/s/ SEAN SOBERS
	Sean Sobers
	Chief Financial Officer
	(Principal Financial and Accounting Officer)

Date: November 6, 2023

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EX-31.1

Exhibit 31.1

CERTIFICATION OF PERIODIC REPORT UNDER SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, James Reinhart, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of ThredUp 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.

By:	/s/ JAMES REINHART
	James Reinhart
	Chief Executive Officer
	(Principal Executive Officer)

Date: November 6, 2023

EX-31.2

Exhibit 31.2

CERTIFICATION OF PERIODIC REPORT UNDER SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, Sean Sobers, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of ThredUp 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.

By:	/s/ SEAN SOBERS
	Sean Sobers
	Chief Financial Officer
	(Principal Financial and Accounting Officer)

Date: November 6, 2023

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

I, James Reinhart, Chief Executive Officer of ThredUp Inc. (the “Company”), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

•the Quarterly Report on Form 10-Q of the Company for the quarter ended September 30, 2023 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

•the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company for the periods presented therein.

By:	/s/ JAMES REINHART
	James Reinhart
	Chief Executive Officer
	(Principal Executive Officer)

Date: November 6, 2023

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, Sean Sobers, Chief Financial Officer of ThredUp Inc. (the “Company”), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

•the Quarterly Report on Form 10-Q of the Company for the quarter ended September 30, 2023 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

•the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company for the periods presented therein.

By:	/s/ SEAN SOBERS
	Sean Sobers
	Chief Financial Officer
	(Principal Financial and Accounting Officer)

Date: November 6, 2023

XML

Cover - shares	9 Months Ended
	Sep. 30, 2023	Oct. 31, 2023
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-40249
Entity Registrant Name	ThredUp Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-4009181
Entity Address, Address Line One	969 Broadway
Entity Address, Address Line Two	Suite 200
Entity Address, City or Town	Oakland
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94607
City Area Code	415
Local Phone Number	402-5202
Title of 12(b) Security	Class A Common Stock, $0.0001 par value per share
Trading Symbol	TDUP
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Amendment Flag	false
Entity Central Index Key	0001484778
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Class A common stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		77,290,731
Class B common stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		29,959,781

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 68,552	$ 38,029
Marketable securities	5,575	66,902
Accounts receivable, net	5,993	4,669
Inventory	18,173	17,519
Other current assets	7,199	7,076
Total current assets	105,492	134,195
Operating lease right-of-use assets	43,090	46,153
Property and equipment, net	90,270	92,482
Goodwill	11,455	11,592
Intangible assets	8,460	10,499
Other assets	6,621	7,027
Total assets	265,388	301,948
Current liabilities:
Accounts payable	12,426	7,800
Accrued and other current liabilities	40,225	50,155
Seller payable	21,516	16,166
Operating lease liabilities, current	6,383	6,413
Current portion of long-term debt	3,834	3,879
Total current liabilities	84,384	84,413
Operating lease liabilities, non-current	45,257	48,727
Long-term debt, net of current portion	22,968	25,788
Other non-current liabilities	3,231	3,019
Total liabilities	155,840	161,947
Commitments and contingencies (Note 10)
Stockholders’ equity:
Class A and B common stock, $0.0001 par value; 1,120,000 shares authorized as of September 30, 2023 and December 31, 2022; 106,837 and 101,532 shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively	11	10
Additional paid-in capital	577,740	551,852
Accumulated other comprehensive loss	(3,941)	(4,234)
Accumulated deficit	(464,262)	(407,627)
Total stockholders’ equity	109,548	140,001
Total liabilities and stockholders’ equity	$ 265,388	$ 301,948

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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2023	Dec. 31, 2022
Stockholders’ equity:
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	1,120,000,000	1,120,000,000
Common stock, shares issued (in shares)	106,837,000	101,532,000
Common stock, shares outstanding (in shares)	106,837,000	101,532,000

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Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue:
Total revenue	$ 82,049	$ 67,945	$ 240,629	$ 217,061
Cost of revenue:
Total cost of revenue	25,422	23,449	77,177	69,689
Gross profit	56,627	44,496	163,452	147,372
Operating expenses:
Operations, product, and technology	40,355	38,702	118,473	121,824
Marketing	19,406	14,752	54,919	51,370
Sales, general, and administrative	15,058	15,232	47,147	47,276
Total operating expenses	74,819	68,686	220,539	220,470
Operating loss	(18,192)	(24,190)	(57,087)	(73,098)
Interest expense	732	103	1,530	764
Other income, net	(845)	(624)	(2,006)	(1,108)
Loss before provision for income taxes	(18,079)	(23,669)	(56,611)	(72,754)
Provision for income taxes	3	9	24	31
Net loss	$ (18,082)	$ (23,678)	$ (56,635)	$ (72,785)
Loss per share, basic (in dollars per share)	$ (0.17)	$ (0.24)	$ (0.54)	$ (0.73)
Loss per share, diluted (in dollars per share)	$ (0.17)	$ (0.24)	$ (0.54)	$ (0.73)
Weighted-average shares used in computing loss per share, basic (in shares)	105,898	100,253	103,918	99,409
Weighted-average shares used in computing loss per share, diluted (in shares)	105,898	100,253	103,918	99,409
Consignment
Revenue:
Total revenue	$ 57,838	$ 41,553	$ 157,732	$ 137,524
Cost of revenue:
Total cost of revenue	10,131	9,087	28,931	29,354
Product
Revenue:
Total revenue	24,211	26,392	82,897	79,537
Cost of revenue:
Total cost of revenue	$ 15,291	$ 14,362	$ 48,246	$ 40,335

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Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (18,082)	$ (23,678)	$ (56,635)	$ (72,785)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(1,080)	(2,217)	(772)	(5,258)
Unrealized gain (loss) on available-for-sale securities	152	(28)	1,065	(1,284)
Total other comprehensive income (loss)	(928)	(2,245)	293	(6,542)
Total comprehensive loss	$ (19,010)	$ (25,923)	$ (56,342)	$ (79,327)

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Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021		98,435
Beginning balance at Dec. 31, 2021	$ 205,734	$ 10	$ 522,161	$ (1,094)	$ (315,343)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options and restricted stock units (in shares)		507
Issuance of common stock from exercise of stock options and restricted stock units	754		754
Stock-based compensation	3,618		3,618
Net loss	(20,708)				(20,708)
Other comprehensive income (loss)	(1,710)			(1,710)
Ending balance (in shares) at Mar. 31, 2022		98,942
Ending balance at Mar. 31, 2022	187,688	$ 10	526,533	(2,804)	(336,051)
Beginning balance (in shares) at Dec. 31, 2021		98,435
Beginning balance at Dec. 31, 2021	205,734	$ 10	522,161	(1,094)	(315,343)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(72,785)
Other comprehensive income (loss)	(6,542)
Ending balance (in shares) at Sep. 30, 2022		100,732
Ending balance at Sep. 30, 2022	149,695	$ 10	545,449	(7,636)	(388,128)
Beginning balance (in shares) at Mar. 31, 2022		98,942
Beginning balance at Mar. 31, 2022	187,688	$ 10	526,533	(2,804)	(336,051)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options and restricted stock units (in shares)		1,030
Issuance of common stock from exercise of stock options and restricted stock units	1,031		1,031
Stock-based compensation	10,353		10,353
Shares withheld for net share settlement (in shares)		(19)
Shares withheld for net share settlement	(157)		(157)
Net loss	(28,399)				(28,399)
Other comprehensive income (loss)	(2,587)			(2,587)
Ending balance (in shares) at Jun. 30, 2022		99,953
Ending balance at Jun. 30, 2022	167,929	$ 10	537,760	(5,391)	(364,450)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options and restricted stock units (in shares)		779
Issuance of common stock from exercise of stock options and restricted stock units	229		229
Stock-based compensation	7,460		7,460
Net loss	(23,678)				(23,678)
Other comprehensive income (loss)	(2,245)			(2,245)
Ending balance (in shares) at Sep. 30, 2022		100,732
Ending balance at Sep. 30, 2022	$ 149,695	$ 10	545,449	(7,636)	(388,128)
Beginning balance (in shares) at Dec. 31, 2022	101,532	101,532
Beginning balance at Dec. 31, 2022	$ 140,001	$ 10	551,852	(4,234)	(407,627)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options and restricted stock units (in shares)		1,484
Issuance of common stock from exercise of stock options and restricted stock units	275		275
Stock-based compensation	9,720		9,720
Shares withheld for net share settlement (in shares)		(180)
Shares withheld for net share settlement	(270)		(270)
Net loss	(19,793)				(19,793)
Other comprehensive income (loss)	1,154			1,154
Ending balance (in shares) at Mar. 31, 2023		102,836
Ending balance at Mar. 31, 2023	$ 131,087	$ 10	561,577	(3,080)	(427,420)
Beginning balance (in shares) at Dec. 31, 2022	101,532	101,532
Beginning balance at Dec. 31, 2022	$ 140,001	$ 10	551,852	(4,234)	(407,627)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(56,635)
Other comprehensive income (loss)	$ 293
Ending balance (in shares) at Sep. 30, 2023	106,837	106,837
Ending balance at Sep. 30, 2023	$ 109,548	$ 11	577,740	(3,941)	(464,262)
Beginning balance (in shares) at Mar. 31, 2023		102,836
Beginning balance at Mar. 31, 2023	131,087	$ 10	561,577	(3,080)	(427,420)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options and restricted stock units (in shares)		2,663
Issuance of common stock from exercise of stock options and restricted stock units	594	$ 1	593
Stock-based compensation	7,958		7,958
Shares withheld for net share settlement (in shares)		(164)
Shares withheld for net share settlement	(348)		(348)
Net loss	(18,760)				(18,760)
Other comprehensive income (loss)	67			67
Ending balance (in shares) at Jun. 30, 2023		105,335
Ending balance at Jun. 30, 2023	120,598	$ 11	569,780	(3,013)	(446,180)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options and restricted stock units (in shares)		1,673
Issuance of common stock from exercise of stock options and restricted stock units	490		490
Stock-based compensation	8,190		8,190
Shares withheld for net share settlement (in shares)		(171)
Shares withheld for net share settlement	(720)		(720)
Net loss	(18,082)				(18,082)
Other comprehensive income (loss)	$ (928)			(928)
Ending balance (in shares) at Sep. 30, 2023	106,837	106,837
Ending balance at Sep. 30, 2023	$ 109,548	$ 11	$ 577,740	$ (3,941)	$ (464,262)

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net loss	$ (56,635)	$ (72,785)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	13,881	10,217
Stock-based compensation expense	24,907	20,758
Reduction in carrying amount of right-of-use assets	4,788	4,820
Other	59	1,409
Changes in operating assets and liabilities:
Accounts receivable, net	(1,373)	795
Inventory	(873)	(6,222)
Other current and non-current assets	1,055	(1,732)
Accounts payable	4,049	(3,000)
Accrued and other current liabilities	(4,331)	6,918
Seller payable	5,358	(380)
Operating lease liabilities	(5,426)	2,396
Other non-current liabilities	(75)	(133)
Net cash used in operating activities	(14,616)	(36,939)
Cash flows from investing activities:
Purchases of marketable securities	(9,851)	(3,475)
Maturities of marketable securities	71,979	35,830
Purchases of property and equipment	(13,775)	(39,316)
Net cash provided by (used in) investing activities	48,353	(6,961)
Cash flows from financing activities:
Proceeds from debt, net of discount	0	491
Repayment of debt	(3,000)	(5,333)
Proceeds from issuance of stock-based awards	3,761	3,878
Payment of withholding taxes on stock-based awards	(3,744)	(1,958)
Net cash used in financing activities	(2,983)	(2,922)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(230)	(918)
Net change in cash, cash equivalents, and restricted cash	30,524	(47,740)
Cash, cash equivalents, and restricted cash, beginning of period	44,051	91,840
Cash, cash equivalents, and restricted cash, end of period	$ 74,575	$ 44,100

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Organization and Description of Business	9 Months Ended
	Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Description of Business	Organization and Description of BusinessThredUp Inc. (“thredUP” or the “Company”) was formed as a corporation in the State of Delaware in January 2009. thredUP operates a large resale platform that enables consumers to buy and sell primarily secondhand apparel, shoes, and accessories.

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Significant Accounting Policies

9 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Significant Accounting Policies

Significant Accounting Policies

Basis of Presentation and Use of Estimates

The accompanying unaudited condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany account balances and transactions have been eliminated upon consolidation. The unaudited condensed consolidated financial statements were prepared in accordance with the United States (“U.S.”) Generally Accepted Accounting Principles (“GAAP”) for interim financial information and with the instructions to Quarterly Report on Form 10‑Q and Article 10 of Regulation S-X. As permitted under those rules, certain footnotes or other financial information may be condensed or omitted.

The preparation of consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the amounts that are reported in the consolidated financial statements and the related disclosures. Actual results could differ from those estimates. Significant items subject to such estimates and assumptions include, but are not limited to: the useful lives of property and equipment and intangibles; allowance for sales returns; breakage on loyalty points and rewards, and gift cards; valuation of inventory, stock-based compensation, right-of-use assets, goodwill and acquired intangible assets, and income taxes.

In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all normal and recurring adjustments necessary to present fairly the financial position of the Company as of September 30, 2023, and the results of operations and cash flows for the interim periods presented.

The accompanying unaudited condensed consolidated financial statements and related financial information should be read in conjunction with the Company’s audited consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022 (the “2022 10-K”).

Recently Adopted Accounting Pronouncements

In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-13, Financial Instruments — Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This ASU changes the impairment model for most financial assets, requiring the use of an expected loss model that requires entities to estimate the lifetime expected credit loss on financial assets measured at amortized cost. Such credit losses will be recorded as an allowance to offset the amortized cost of the financial asset, resulting in a net presentation of the amount expected to be collected on the financial asset. In addition, credit losses relating to available-for-sale debt securities will now be recorded through an allowance for credit losses rather than as a direct write-down to the security. This standard is effective for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. The adoption of this guidance during the first quarter of 2023 did not have a material impact on the Company’s condensed consolidated financial statements.

Revenue from Loyalty Reward Redemption and Expiration

The Company has a customer loyalty program, which allows end-customers to earn and accumulate points with each qualifying purchase. Earned points can be redeemed for reward coupons, such as discounts, free shipping, or waived restocking fee, which can be applied to future purchases or returns. Unredeemed points expire after one year from the date the points were earned. Reward coupons expire six months from the date the reward is claimed. Points earned on purchases are a material right, representing a separate performance obligation.

The allocated consideration for the points earned through qualifying purchase transactions is deferred based on the standalone selling price of the points and recorded within deferred revenue under accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue is recognized for these performance obligations at a point in time when rewards are redeemed by the end customer or expired.

As of September 30, 2023 and December 31, 2022, the Company had a deferred revenue liability of $3.4 million and $3.3 million, respectively, related to its customer loyalty program, which is included in accrued and other current liabilities within the Company’s condensed consolidated balance sheets. The Company recognized revenue from loyalty reward redemption of $2.1 million and $2.2 million for the three months ended September 30, 2023 and 2022, respectively, and $6.7 million and $7.4 million for the nine months ended September 30, 2023 and 2022, respectively. As our loyalty points expire in 12 months and coupon rewards expire in six months, the revenue for the remaining performance obligation is expected to be recognized within a 12-month period.

Gift Cards and Site Credits

The Company sells thredUP gift cards on its e-commerce website and may also convert site credits to thredUP gift cards after one year at the discretion of the Company. thredUP gift cards do not expire or lose value over periods of inactivity. The Company accounts for gift cards by recognizing a gift card liability at the time a gift card is delivered to the customer. As of September 30, 2023 and December 31, 2022, $8.9 million and $10.9 million, respectively, of gift card liability was included in accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue from gift cards is generally recognized when the gift cards are redeemed by the customer and amounted to $0.5 million and $0.2 million for the three months ended September 30, 2023 and 2022, respectively, and $1.7 million and $0.7 million for the nine months ended September 30, 2023 and 2022, respectively.

The Company issues site credits for returns, which can be applied toward future charges but may not be converted into cash. Site credits may also be converted to thredUP gift cards after one year at the discretion of the Company. These credits are recognized as revenue when used. As of September 30, 2023 and December 31, 2022, $4.8 million and $7.2 million, respectively, of such customer site credits were included in accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue recognized from the redemption of site credits was $10.2 million and $11.9 million for the three months ended September 30, 2023 and 2022, respectively, and $30.1 million and $35.9 million for the nine months ended September 30, 2023 and 2022, respectively.

The Company recognizes breakage revenue when it determines that the redemption of gift cards is remote. Breakage revenue was $1.9 million and $2.3 million for the three and nine months ended September 30, 2023, respectively. Breakage revenue was not material for the three and nine months ended September 30, 2022.

Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Company’s condensed consolidated balance sheets that sum to the total of the same such amounts shown in the Company’s condensed consolidated statements of cash flows:

	September 30, 2023		December 31, 2022
	(in thousands)
Cash and cash equivalents	$	68,552	$	38,029
Restricted cash included in Other current assets	644		383
Restricted cash included in Other assets	5,379		5,639
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	74,575	$	44,051

Fair Value Measurements

The Company applies the provisions of FASB ASC Topic 820, Fair Value Measurements and Disclosures, for its financial and non-financial assets and liabilities. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC 820 establishes a fair value hierarchy, which prioritizes the inputs used in measuring fair value into three broad levels as follows:

•Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

•Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

•Level 3 inputs are unobservable inputs for the asset or liability.

The Company measures certain assets and liabilities at fair value as discussed throughout the notes to its condensed consolidated financial statements. As of September 30, 2023 and December 31, 2022, the carrying amounts of the Company’s accounts receivable, other current assets, other assets, accounts payable, seller payable and accrued and other current liabilities approximated their estimated fair values due to their relatively short maturities. Management believes the terms of its long-term variable-rate debt reflect current market conditions for an instrument with similar terms and maturity, and as such, the carrying value of the Company’s long-term debt approximated its fair value as of September 30, 2023 and December 31, 2022.

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Financial Instruments and Fair Value Measurements

9 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Financial Instruments and Fair Value Measurements

Financial Instruments and Fair Value Measurements

The following tables provide information about the Company’s financial instruments that are measured at fair value on a recurring basis and indicate the fair value hierarchy of the valuation techniques utilized to determine such values as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	10,096	$	—	$	—	$	10,096
U.S. treasury securities	—		17,571		—		17,571
Commercial paper	—		19,333		—		19,333
U.S. government agency discount notes	—		2,874		—		2,874
Total cash equivalents	10,096		39,778		—		49,874
Marketable securities:
U.S. treasury securities	—		2,480		—		2,480
U.S. government agency bonds	—		3,095		—		3,095
Total marketable securities	—		5,575		—		5,575
Total assets at fair value	$	10,096	$	45,353	$	—	$	55,449

	December 31, 2022
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	1,110	$	—	$	—	$	1,110
Commercial paper	—		14,460		—		14,460
Total cash equivalents	1,110		14,460		—		15,570
Marketable securities:
Corporate debt securities	25,488		—		—		25,488
U.S. treasury securities	19,176		—		—		19,176
U.S. government agency bonds	22,238		—		—		22,238
Total marketable securities	66,902		—		—		66,902
Total assets at fair value	$	68,012	$	14,460	$	—	$	82,472

The following tables summarize the cost, gross unrealized gains, gross unrealized losses and fair value of the marketable securities as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)
U.S. treasury securities	2,482		—		(2)		2,480
U.S. government agency bonds	3,110		—		(15)		3,095
Total	$	5,592	$	—	$	(17)	$	5,575

	December 31, 2022
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)
Corporate debt securities	$	25,774	$	—	$	(286)	$	25,488
U.S. treasury securities	19,531		—		(355)		19,176
U.S. government agency bonds	22,679		—		(441)		22,238
Total	$	67,984	$	—	$	(1,082)	$	66,902

As of September 30, 2023 and December 31, 2022, the Company’s cash equivalents approximated their estimated fair value. As such, there are no unrealized gains or losses related to the Company’s cash equivalents.

For the Company’s marketable securities, which were all classified as available-for-sale, the Company utilizes third-party pricing services to obtain fair value. Third-party pricing methodologies incorporate bond terms and conditions, current performance data, proprietary pricing models, real-time quotes from contributing dealers, trade prices and other market data. The Company determined that the declines in the fair value of its marketable securities were not driven by credit-related factors. During the three and nine months ended September 30, 2023 and 2022, the Company did not recognize any losses on its marketable securities due to credit-related factors.

As of September 30, 2023, the Company’s money market funds were valued using Level 1 inputs because they were valued using quoted prices in active markets. The Company’s U.S. treasury securities, commercial paper, U.S. government agency discount notes, and U.S. government agency bonds were valued using Level 2 inputs because they were valued using quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.

As of September 30, 2023, there were no transfers into or out of Level 3 during the three and nine months ended September 30, 2023. As of September 30, 2023, of the $5.6 million carrying amount of marketable securities, all had a contractual maturity date of less than one year.

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Property and Equipment, Net

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and Equipment, Net

Property and equipment, net consisted of the following:

	September 30, 2023		December 31, 2022
	(in thousands)
Property and equipment	$	133,980	$	124,412
Less: accumulated depreciation and amortization	(43,710)		(31,930)
Property and equipment, net	$	90,270	$	92,482

Depreciation and amortization expense of property and equipment was $4.7 million and $2.9 million for the three months ended September 30, 2023 and 2022, respectively, and $11.9 million and $8.3 million for the nine months ended September 30, 2023 and 2022, respectively.

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Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Goodwill is primarily attributable to the planned growth in the combined business after the acquisition of Remix Global EAD (“Remix”). Goodwill is reviewed for impairment at least annually, absent any interim indicators of impairment. Goodwill was $11.5 million and $11.6 million as of September 30, 2023 and December 31, 2022, respectively. The decrease in goodwill during the nine months ended September 30, 2023 was due to foreign currency translation adjustments.

The gross carrying amounts and accumulated amortization of the Company’s intangible assets with determinable lives as of September 30, 2023 and December 31, 2022 were as follows:

		September 30, 2023
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,757	$	(1,178)	$	3,579
Developed technology	3	4,482		(2,959)		1,523
Trademarks	9	4,305		(947)		3,358
Total		$	13,544	$	(5,084)	$	8,460

		December 31, 2022
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,814	$	(742)	$	4,072
Developed technology	3	4,536		(1,864)		2,672
Trademarks	9	4,351		(596)		3,755
Total		$	13,701	$	(3,202)	$	10,499

The changes in the gross carrying amounts were due to foreign currency translation adjustments.

Amortization expense related to developed technology, customer relationships, and trademarks is recorded within operations, product, and technology; sales, general, and administrative; and marketing expense, respectively, within the Company’s condensed consolidated statements of operations. Amortization expense of intangible assets with determinable lives was $0.7 million and $0.6 million for the three months ended September 30, 2023 and 2022, respectively, and $2.0 million and $1.9 million for the nine months ended September 30, 2023 and 2022, respectively.

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Balance Sheet Components

9 Months Ended

Sep. 30, 2023

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

Balance Sheet Components

Inventories consisted of the following:

	September 30, 2023		December 31, 2022
	(in thousands)
Work in process	$	3,222	$	2,639
Finished goods	14,951		14,880
Total	$	18,173	$	17,519

Work in process inventory relates to items that are currently undergoing preparation for sale, including itemization, cleaning, and repair.

Accrued and other current liabilities consisted of the following:

	September 30, 2023		December 31, 2022
	(in thousands)
Gift card and site credit liabilities	$	13,784	$	18,101
Deferred revenue	6,807		7,582
Accrued compensation	4,751		4,993
Accrued taxes	4,500		4,326
Accrued vendor liabilities	4,303		9,116
Allowance for returns	4,195		4,907
Accrued other	1,885		1,130
Total	$	40,225	$	50,155

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Long-Term Debt

9 Months Ended

Sep. 30, 2023

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt

In February 2019, the Company entered into a loan and security agreement (“Term Loan”) with Western Alliance Bank for an aggregate amount of up to $40.0 million.

The Term Loan was subsequently amended several times, with the most recent amendment taking place in July 2022. As amended, the Term Loan matures on July 14, 2027 and provides for an aggregate borrowing amount of up to $70.0 million, which bears interest at the prime rate published in the Wall Street Journal plus a margin of 1.25%, with a floor of 6.00%. The Company incurred an immaterial amount of debt issuance costs in connection with the amendment. For accounting purposes, pursuant to FASB ASC Topic 470, Debt, this transaction was accounted for as a modification of the Term Loan. The debt issuance costs were recognized in interest expense within the Company’s condensed consolidated statement of operations during the third quarter of 2022.

The Term Loan requires the Company to comply with certain financial covenants, including, among other things, liquidity requirements, minimum cash deposits with Western Alliance Bank, performance metrics, and a debt service coverage ratio. The Term Loan also contains affirmative and negative covenants customary for financings of this type, including, among other things, limitations or prohibitions on repurchasing common shares, declaring and paying dividends and other distributions, redeeming and repurchasing certain other indebtedness, loans and investments, additional indebtedness, liens, mergers, asset sales and transactions with affiliates. In addition, the Term Loan contains customary events of default. As of September 30, 2023 and December 31, 2022, the Company was in compliance with its debt covenants under the Term Loan.

The Term Loan is payable in consecutive monthly installments. Interest is due monthly on amounts outstanding under the Term Loan. The Company is permitted to make voluntary prepayments without penalty or premium at any time.

As of September 30, 2023 and December 31, 2022, the effective interest rate for borrowings under the Term Loan was 10.73% and 9.70%, respectively.

During the nine months ended September 30, 2023, the Company did not make any borrowings under the Term Loan and repaid a total of $3.0 million on amounts outstanding under the Term Loan. During the nine months ended September 30, 2022, the Company borrowed $0.7 million under the Term Loan and repaid a total of $5.3 million on amounts outstanding under the Term Loan. As of September 30, 2023 and December 31, 2022, the amounts outstanding under the Term Loan were $27.3 million and $30.3 million, respectively.

During the three months ended September 30, 2023 and 2022, the Company incurred $0.7 million and $0.6 million, respectively, of interest costs relating to the Term Loan. There was no capitalized interest during the three months ended September 30, 2023 and $0.5 million was capitalized as part of an asset for the three month ended September 30, 2022.

During the nine months ended September 30, 2023 and 2022, the Company incurred $2.0 million and $1.8 million, respectively, of interest costs relating to the Term Loan, of which $0.6 million and $1.0 million, respectively, were capitalized as part of an asset.

As of September 30, 2023, the future annual principal payments of the Term Loan were as follows:

	Amount
	(in thousands)
2023	$	1,000
2024	4,000
2025	4,000
2026	4,000
2027	14,333
Total principal payments	27,333
Less: unamortized debt discount	(531)
Less: current portion of long-term debt	(3,834)
Non-current portion of long-term debt	$	22,968

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Common Stock and Stockholders’ Equity

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

Common Stock and Stockholders’ Equity

Common Stock and Stockholders’ Equity

Each share of Class A common stock is entitled to one vote per share. Each share of Class B common stock is entitled to ten votes per share and is convertible at any time into one share of Class A common stock.

The table below summarizes the Class A common stock and Class B common stock authorized, issued and outstanding as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	76,866
Class B common stock	120,000	29,971
Total	1,120,000	106,837

	December 31, 2022
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	70,723
Class B common stock	120,000	30,809
Total	1,120,000	101,532

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Stock-Based Compensation

9 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

Stock-Based CompensationThe Company has stock-based compensation plans, which are more fully described in Note 11, Stock-Based Compensation Plans, to the Consolidated Financial Statements included in the 2022 10-K. During the nine months ended September 30, 2023, the Company granted restricted stock units subject to service conditions.

Stock-Based Compensation Expense

The following table provides information about stock-based compensation expense by financial statement line item:

	Three Months Ended				Nine Months Ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
	(in thousands)
Operations, product, and technology	$	2,858	$	2,480	$	9,442	$	7,842
Marketing	1,264		818		3,392		2,377
Sales, general, and administrative	3,766		3,879		12,073		10,539
Total stock-based compensation expense	$	7,888	$	7,177	$	24,907	$	20,758

Stock-based compensation expense capitalized in internal use software was not material for the three months ended September 30, 2023 and 2022, respectively, and was $0.5 million and $0.4 million for the nine months ended September 30, 2023 and 2022, respectively.

Stock Options

The following table summarizes the activities for all stock options under the Company’s share-based compensation plans for the nine months ended September 30, 2023:

	Number of Options Outstanding	Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Life	Aggregate Intrinsic Value (1)
	(in thousands)				(in thousands)
Outstanding as of December 31, 2022	17,872	$	1.97	5.20 years	$	1,442
Granted	—	$	—
Exercised	(505)	$	1.86
Forfeited or expired	(347)	$	3.36
Outstanding as of September 30, 2023	17,020	$	1.95	4.50 years	$	36,049
Exercisable as of September 30, 2023	15,128	$	1.91	4.21 years	$	32,498

(1)The intrinsic value is the amount by which the current market value of the underlying stock exceeds the exercise price of the stock awards.

There were no options granted during the three and nine months ended September 30, 2023 and 2022. The total intrinsic value of stock options exercised during the nine months ended September 30, 2023 was $0.6 million.

As of September 30, 2023, the total unrecognized compensation cost related to all nonvested stock options was $1.7 million and the related weighted-average period over which it is expected to be recognized was approximately 1.06 years.

Restricted Stock Units

The following table summarizes the activities for all restricted stock units (“RSUs”) under the Company’s share-based compensation plans for the nine months ended September 30, 2023:

	Number of Shares	Weighted-Average Grant Date Fair Value Per Share
	(in thousands)
Outstanding and nonvested as of December 31, 2022	7,855	$	8.01
Granted	8,917	$	1.86
Vested	(4,788)	$	5.14
Forfeited	(1,075)	$	4.65
Outstanding and nonvested as of September 30, 2023	10,909	$	4.57

The total vesting date fair value of RSUs that vested during the nine months ended September 30, 2023 was $24.6 million.

During the three months ended March 31, 2023, the Company modified the vesting schedule of substantially all RSUs outstanding as of December 31, 2022 from 4 years to 3 years and recognized compensation expense of $2.4 million related to the acceleration of the vesting schedule.

As of September 30, 2023, the total unrecognized compensation cost related to all nonvested RSUs was $47.0 million and the related weighted-average period over which it is expected to be recognized was approximately 1.88 years.

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Commitment and Contingencies

9 Months Ended

Sep. 30, 2023

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Legal Contingencies

The Company is subject to litigation claims and assessments from time to time in the ordinary course of business. The Company’s management does not believe that any such matters, individually or in the aggregate, will have a material adverse effect on the Company’s business, financial condition, results of operations or cash flows.

Indemnifications

In the normal course of business, the Company enters into contracts and agreements that contain a variety of representations and warranties and provide for limited and customary indemnification obligations. The Company’s exposure under these agreements is unknown because it involves claims that may be made against the Company in the future, but that have not yet been made.

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Income Taxes	9 Months Ended
	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Income Taxes	Income TaxesThe quarterly income tax provision reflects an estimate of the corresponding quarter’s state taxes in the United States. The provision for income tax expense for the three and nine months ended September 30, 2023 and 2022 was determined based upon estimates of the Company’s annual effective tax rate for the years ending December 31, 2023 and 2022, respectively. Since the Company is in a full valuation allowance position due to losses incurred since inception, the provision for taxes consists solely of certain state income taxes.

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Loss Per Share

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Loss Per Share

Loss Per Share

The following participating securities have been excluded from the computation of diluted loss per share for the periods presented because including them would have been anti-dilutive:

	September 30, 2023	September 30, 2022
	(in thousands)
Outstanding stock options	17,020	17,966
Restricted stock units	10,909	8,693
Delayed share issuance related to acquisition	—	131
Employee stock purchase plan	97	230
Total	28,026	27,020

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Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Pay vs Performance Disclosure
Net loss	$ (18,082)	$ (18,760)	$ (19,793)	$ (23,678)	$ (28,399)	$ (20,708)	$ (56,635)	$ (72,785)

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Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany account balances and transactions have been eliminated upon consolidation. The unaudited condensed consolidated financial statements were prepared in accordance with the United States (“U.S.”) Generally Accepted Accounting Principles (“GAAP”) for interim financial information and with the instructions to Quarterly Report on Form 10‑Q and Article 10 of Regulation S-X. As permitted under those rules, certain footnotes or other financial information may be condensed or omitted.

Use of Estimates

The preparation of consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the amounts that are reported in the consolidated financial statements and the related disclosures. Actual results could differ from those estimates. Significant items subject to such estimates and assumptions include, but are not limited to: the useful lives of property and equipment and intangibles; allowance for sales returns; breakage on loyalty points and rewards, and gift cards; valuation of inventory, stock-based compensation, right-of-use assets, goodwill and acquired intangible assets, and income taxes.

Recently Adopted Accounting Pronouncements

In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-13, Financial Instruments — Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This ASU changes the impairment model for most financial assets, requiring the use of an expected loss model that requires entities to estimate the lifetime expected credit loss on financial assets measured at amortized cost. Such credit losses will be recorded as an allowance to offset the amortized cost of the financial asset, resulting in a net presentation of the amount expected to be collected on the financial asset. In addition, credit losses relating to available-for-sale debt securities will now be recorded through an allowance for credit losses rather than as a direct write-down to the security. This standard is effective for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. The adoption of this guidance during the first quarter of 2023 did not have a material impact on the Company’s condensed consolidated financial statements.

Revenue from Loyalty Reward Redemption and Expiration, Gift Cards and Site Credits

The Company has a customer loyalty program, which allows end-customers to earn and accumulate points with each qualifying purchase. Earned points can be redeemed for reward coupons, such as discounts, free shipping, or waived restocking fee, which can be applied to future purchases or returns. Unredeemed points expire after one year from the date the points were earned. Reward coupons expire six months from the date the reward is claimed. Points earned on purchases are a material right, representing a separate performance obligation.

The allocated consideration for the points earned through qualifying purchase transactions is deferred based on the standalone selling price of the points and recorded within deferred revenue under accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue is recognized for these performance obligations at a point in time when rewards are redeemed by the end customer or expired.

The Company sells thredUP gift cards on its e-commerce website and may also convert site credits to thredUP gift cards after one year at the discretion of the Company. thredUP gift cards do not expire or lose value over periods of inactivity. The Company accounts for gift cards by recognizing a gift card liability at the time a gift card is delivered to the customer.The Company issues site credits for returns, which can be applied toward future charges but may not be converted into cash. Site credits may also be converted to thredUP gift cards after one year at the discretion of the Company. These credits are recognized as revenue when used.

Fair Value Measurements

The Company applies the provisions of FASB ASC Topic 820, Fair Value Measurements and Disclosures, for its financial and non-financial assets and liabilities. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC 820 establishes a fair value hierarchy, which prioritizes the inputs used in measuring fair value into three broad levels as follows:

•Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

•Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

•Level 3 inputs are unobservable inputs for the asset or liability.

The Company measures certain assets and liabilities at fair value as discussed throughout the notes to its condensed consolidated financial statements. As of September 30, 2023 and December 31, 2022, the carrying amounts of the Company’s accounts receivable, other current assets, other assets, accounts payable, seller payable and accrued and other current liabilities approximated their estimated fair values due to their relatively short maturities. Management believes the terms of its long-term variable-rate debt reflect current market conditions for an instrument with similar terms and maturity, and as such, the carrying value of the Company’s long-term debt approximated its fair value as of September 30, 2023 and December 31, 2022.

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Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Schedule of Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Company’s condensed consolidated balance sheets that sum to the total of the same such amounts shown in the Company’s condensed consolidated statements of cash flows:

	September 30, 2023		December 31, 2022
	(in thousands)
Cash and cash equivalents	$	68,552	$	38,029
Restricted cash included in Other current assets	644		383
Restricted cash included in Other assets	5,379		5,639
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	74,575	$	44,051

Restrictions on Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Company’s condensed consolidated balance sheets that sum to the total of the same such amounts shown in the Company’s condensed consolidated statements of cash flows:

	September 30, 2023		December 31, 2022
	(in thousands)
Cash and cash equivalents	$	68,552	$	38,029
Restricted cash included in Other current assets	644		383
Restricted cash included in Other assets	5,379		5,639
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	74,575	$	44,051

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Financial Instruments and Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Measured at Fair Value

The following tables provide information about the Company’s financial instruments that are measured at fair value on a recurring basis and indicate the fair value hierarchy of the valuation techniques utilized to determine such values as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	10,096	$	—	$	—	$	10,096
U.S. treasury securities	—		17,571		—		17,571
Commercial paper	—		19,333		—		19,333
U.S. government agency discount notes	—		2,874		—		2,874
Total cash equivalents	10,096		39,778		—		49,874
Marketable securities:
U.S. treasury securities	—		2,480		—		2,480
U.S. government agency bonds	—		3,095		—		3,095
Total marketable securities	—		5,575		—		5,575
Total assets at fair value	$	10,096	$	45,353	$	—	$	55,449

	December 31, 2022
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	1,110	$	—	$	—	$	1,110
Commercial paper	—		14,460		—		14,460
Total cash equivalents	1,110		14,460		—		15,570
Marketable securities:
Corporate debt securities	25,488		—		—		25,488
U.S. treasury securities	19,176		—		—		19,176
U.S. government agency bonds	22,238		—		—		22,238
Total marketable securities	66,902		—		—		66,902
Total assets at fair value	$	68,012	$	14,460	$	—	$	82,472

The following tables summarize the cost, gross unrealized gains, gross unrealized losses and fair value of the marketable securities as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)
U.S. treasury securities	2,482		—		(2)		2,480
U.S. government agency bonds	3,110		—		(15)		3,095
Total	$	5,592	$	—	$	(17)	$	5,575

	December 31, 2022
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)
Corporate debt securities	$	25,774	$	—	$	(286)	$	25,488
U.S. treasury securities	19,531		—		(355)		19,176
U.S. government agency bonds	22,679		—		(441)		22,238
Total	$	67,984	$	—	$	(1,082)	$	66,902

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Property and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net consisted of the following:

	September 30, 2023		December 31, 2022
	(in thousands)
Property and equipment	$	133,980	$	124,412
Less: accumulated depreciation and amortization	(43,710)		(31,930)
Property and equipment, net	$	90,270	$	92,482

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Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

The gross carrying amounts and accumulated amortization of the Company’s intangible assets with determinable lives as of September 30, 2023 and December 31, 2022 were as follows:

		September 30, 2023
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,757	$	(1,178)	$	3,579
Developed technology	3	4,482		(2,959)		1,523
Trademarks	9	4,305		(947)		3,358
Total		$	13,544	$	(5,084)	$	8,460

		December 31, 2022
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,814	$	(742)	$	4,072
Developed technology	3	4,536		(1,864)		2,672
Trademarks	9	4,351		(596)		3,755
Total		$	13,701	$	(3,202)	$	10,499

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Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2023

Balance Sheet Related Disclosures [Abstract]

Schedule of Inventory

Inventories consisted of the following:

	September 30, 2023		December 31, 2022
	(in thousands)
Work in process	$	3,222	$	2,639
Finished goods	14,951		14,880
Total	$	18,173	$	17,519

Schedule of Other Current Liabilities

Accrued and other current liabilities consisted of the following:

	September 30, 2023		December 31, 2022
	(in thousands)
Gift card and site credit liabilities	$	13,784	$	18,101
Deferred revenue	6,807		7,582
Accrued compensation	4,751		4,993
Accrued taxes	4,500		4,326
Accrued vendor liabilities	4,303		9,116
Allowance for returns	4,195		4,907
Accrued other	1,885		1,130
Total	$	40,225	$	50,155

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Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2023

Debt Disclosure [Abstract]

Schedule of Maturities of Long-Term Debt

As of September 30, 2023, the future annual principal payments of the Term Loan were as follows:

	Amount
	(in thousands)
2023	$	1,000
2024	4,000
2025	4,000
2026	4,000
2027	14,333
Total principal payments	27,333
Less: unamortized debt discount	(531)
Less: current portion of long-term debt	(3,834)
Non-current portion of long-term debt	$	22,968

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Common Stock and Stockholders’ Equity (Tables)

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

Schedule of Common Stock Issued and Outstanding

The table below summarizes the Class A common stock and Class B common stock authorized, issued and outstanding as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	76,866
Class B common stock	120,000	29,971
Total	1,120,000	106,837

	December 31, 2022
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	70,723
Class B common stock	120,000	30,809
Total	1,120,000	101,532

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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Expense

The following table provides information about stock-based compensation expense by financial statement line item:

	Three Months Ended				Nine Months Ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
	(in thousands)
Operations, product, and technology	$	2,858	$	2,480	$	9,442	$	7,842
Marketing	1,264		818		3,392		2,377
Sales, general, and administrative	3,766		3,879		12,073		10,539
Total stock-based compensation expense	$	7,888	$	7,177	$	24,907	$	20,758

Schedule of Stock Option Activity

The following table summarizes the activities for all stock options under the Company’s share-based compensation plans for the nine months ended September 30, 2023:

	Number of Options Outstanding	Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Life	Aggregate Intrinsic Value (1)
	(in thousands)				(in thousands)
Outstanding as of December 31, 2022	17,872	$	1.97	5.20 years	$	1,442
Granted	—	$	—
Exercised	(505)	$	1.86
Forfeited or expired	(347)	$	3.36
Outstanding as of September 30, 2023	17,020	$	1.95	4.50 years	$	36,049
Exercisable as of September 30, 2023	15,128	$	1.91	4.21 years	$	32,498

(1)The intrinsic value is the amount by which the current market value of the underlying stock exceeds the exercise price of the stock awards.

Schedule of Restricted Stock Unit Activity

The following table summarizes the activities for all restricted stock units (“RSUs”) under the Company’s share-based compensation plans for the nine months ended September 30, 2023:

	Number of Shares	Weighted-Average Grant Date Fair Value Per Share
	(in thousands)
Outstanding and nonvested as of December 31, 2022	7,855	$	8.01
Granted	8,917	$	1.86
Vested	(4,788)	$	5.14
Forfeited	(1,075)	$	4.65
Outstanding and nonvested as of September 30, 2023	10,909	$	4.57

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Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Loss Per Share

The following participating securities have been excluded from the computation of diluted loss per share for the periods presented because including them would have been anti-dilutive:

	September 30, 2023	September 30, 2022
	(in thousands)
Outstanding stock options	17,020	17,966
Restricted stock units	10,909	8,693
Delayed share issuance related to acquisition	—	131
Employee stock purchase plan	97	230
Total	28,026	27,020

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Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Revenue from External Customer [Line Items]
Customer liability	$ 13,784		$ 13,784		$ 18,101
Loyalty Program
Revenue from External Customer [Line Items]
Revenue recognized	$ 2,100	$ 2,200	$ 6,700	$ 7,400
Loyalty Program | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01
Revenue from External Customer [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months		12 months
Loyalty Program | Transferred over Time
Revenue from External Customer [Line Items]
Customer liability	$ 3,400		$ 3,400		3,300
Loyalty Points
Revenue from External Customer [Line Items]
Expiration period	12 months		12 months
Coupon Rewards
Revenue from External Customer [Line Items]
Expiration period	6 months		6 months
Gift Card
Revenue from External Customer [Line Items]
Customer liability	$ 8,900		$ 8,900		10,900
Revenue recognized	500	200	$ 1,700	700
Conversion period			1 year
Site Credit
Revenue from External Customer [Line Items]
Customer liability	4,800		$ 4,800		$ 7,200
Conversion period			1 year
Revenue recognized from the redemption	10,200	11,900	$ 30,100	35,900
Gift Card Breakage
Revenue from External Customer [Line Items]
Revenue recognized	$ 1,900	$ 0	$ 2,300	$ 0

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Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Cash and cash equivalents	$ 68,552	$ 38,029
Restricted cash included in Other current assets	644	383
Restricted cash included in Other assets	5,379	5,639
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$ 74,575	$ 44,051	$ 44,100	$ 91,840

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Financial Instruments and Fair Value Measurements – Schedule of Financial Instruments Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Marketable securities:
Total marketable securities	$ 5,575	$ 66,902
Fair Value, Recurring
Cash equivalents:
Total cash equivalents	49,874	15,570
Marketable securities:
Total marketable securities	5,575	66,902
Total assets at fair value	55,449	82,472
Fair Value, Recurring | Corporate debt securities
Marketable securities:
Total marketable securities		25,488
Fair Value, Recurring | U.S. treasury securities
Marketable securities:
Total marketable securities	2,480	19,176
Fair Value, Recurring | U.S. government agency bonds
Marketable securities:
Total marketable securities	3,095	22,238
Fair Value, Recurring | Money market funds
Cash equivalents:
Total cash equivalents	10,096	1,110
Fair Value, Recurring | U.S. treasury securities
Cash equivalents:
Total cash equivalents	17,571
Fair Value, Recurring | Commercial paper
Cash equivalents:
Total cash equivalents	19,333	14,460
Fair Value, Recurring | U.S. government agency discount notes
Cash equivalents:
Total cash equivalents	2,874
Level 1 | Fair Value, Recurring
Cash equivalents:
Total cash equivalents	10,096	1,110
Marketable securities:
Total marketable securities	0	66,902
Total assets at fair value	10,096	68,012
Level 1 | Fair Value, Recurring | Corporate debt securities
Marketable securities:
Total marketable securities		25,488
Level 1 | Fair Value, Recurring | U.S. treasury securities
Marketable securities:
Total marketable securities	0	19,176
Level 1 | Fair Value, Recurring | U.S. government agency bonds
Marketable securities:
Total marketable securities	0	22,238
Level 1 | Fair Value, Recurring | Money market funds
Cash equivalents:
Total cash equivalents	10,096	1,110
Level 1 | Fair Value, Recurring | U.S. treasury securities
Cash equivalents:
Total cash equivalents	0
Level 1 | Fair Value, Recurring | Commercial paper
Cash equivalents:
Total cash equivalents	0	0
Level 1 | Fair Value, Recurring | U.S. government agency discount notes
Cash equivalents:
Total cash equivalents	0
Level 2 | Fair Value, Recurring
Cash equivalents:
Total cash equivalents	39,778	14,460
Marketable securities:
Total marketable securities	5,575	0
Total assets at fair value	45,353	14,460
Level 2 | Fair Value, Recurring | Corporate debt securities
Marketable securities:
Total marketable securities		0
Level 2 | Fair Value, Recurring | U.S. treasury securities
Marketable securities:
Total marketable securities	2,480	0
Level 2 | Fair Value, Recurring | U.S. government agency bonds
Marketable securities:
Total marketable securities	3,095	0
Level 2 | Fair Value, Recurring | Money market funds
Cash equivalents:
Total cash equivalents	0	0
Level 2 | Fair Value, Recurring | U.S. treasury securities
Cash equivalents:
Total cash equivalents	17,571
Level 2 | Fair Value, Recurring | Commercial paper
Cash equivalents:
Total cash equivalents	19,333	14,460
Level 2 | Fair Value, Recurring | U.S. government agency discount notes
Cash equivalents:
Total cash equivalents	2,874
Level 3 | Fair Value, Recurring
Cash equivalents:
Total cash equivalents	0	0
Marketable securities:
Total marketable securities	0	0
Total assets at fair value	0	0
Level 3 | Fair Value, Recurring | Corporate debt securities
Marketable securities:
Total marketable securities		0
Level 3 | Fair Value, Recurring | U.S. treasury securities
Marketable securities:
Total marketable securities	0	0
Level 3 | Fair Value, Recurring | U.S. government agency bonds
Marketable securities:
Total marketable securities	0	0
Level 3 | Fair Value, Recurring | Money market funds
Cash equivalents:
Total cash equivalents	0	0
Level 3 | Fair Value, Recurring | U.S. treasury securities
Cash equivalents:
Total cash equivalents	0
Level 3 | Fair Value, Recurring | Commercial paper
Cash equivalents:
Total cash equivalents	0	$ 0
Level 3 | Fair Value, Recurring | U.S. government agency discount notes
Cash equivalents:
Total cash equivalents	$ 0

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Financial Instruments and Fair Value Measurements - Amortized Cost, Unrealized Gain (Loss), and Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Marketable securities:
Cost or Amortized Cost	$ 5,592	$ 67,984
Unrealized Gains	0	0
Unrealized Losses	(17)	(1,082)
Fair Value	5,575	66,902
Corporate debt securities
Marketable securities:
Cost or Amortized Cost		25,774
Unrealized Gains		0
Unrealized Losses		(286)
Fair Value		25,488
U.S. treasury securities
Marketable securities:
Cost or Amortized Cost	2,482	19,531
Unrealized Gains	0	0
Unrealized Losses	(2)	(355)
Fair Value	2,480	19,176
U.S. government agency bonds
Marketable securities:
Cost or Amortized Cost	3,110	22,679
Unrealized Gains	0	0
Unrealized Losses	(15)	(441)
Fair Value	$ 3,095	$ 22,238

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Financial Instruments and Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	$ 5,575	$ 66,902
Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	$ 5,575	$ 66,902

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Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment [Abstract]
Property and equipment	$ 133,980	$ 124,412
Less: accumulated depreciation and amortization	(43,710)	(31,930)
Property and equipment, net	$ 90,270	$ 92,482

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Property and Equipment, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Property, Plant and Equipment [Abstract]
Depreciation	$ 4.7	$ 2.9	$ 11.9	$ 8.3

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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 11,455		$ 11,455		$ 11,592
Amortization expense	$ 700	$ 600	$ 2,000	$ 1,900

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Goodwill and Other Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 13,544	$ 13,701
Accumulated Amortization	(5,084)	(3,202)
Net Carrying Amount	$ 8,460	$ 10,499
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortization Period	8 years	8 years
Gross Carrying Amount	$ 4,757	$ 4,814
Accumulated Amortization	(1,178)	(742)
Net Carrying Amount	$ 3,579	$ 4,072
Developed technology
Finite-Lived Intangible Assets [Line Items]
Amortization Period	3 years	3 years
Gross Carrying Amount	$ 4,482	$ 4,536
Accumulated Amortization	(2,959)	(1,864)
Net Carrying Amount	$ 1,523	$ 2,672
Trademarks
Finite-Lived Intangible Assets [Line Items]
Amortization Period	9 years	9 years
Gross Carrying Amount	$ 4,305	$ 4,351
Accumulated Amortization	(947)	(596)
Net Carrying Amount	$ 3,358	$ 3,755

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Balance Sheet Components - Schedule of Inventory (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Work in process	$ 3,222	$ 2,639
Finished goods	14,951	14,880
Inventory	$ 18,173	$ 17,519

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Balance Sheet Components - Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Gift card and site credit liabilities	$ 13,784	$ 18,101
Deferred revenue	6,807	7,582
Accrued compensation	4,751	4,993
Accrued taxes	4,500	4,326
Accrued vendor liabilities	4,303	9,116
Allowance for returns	4,195	4,907
Accrued other	1,885	1,130
Total	$ 40,225	$ 50,155

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Long-Term Debt - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jul. 14, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Jul. 31, 2022	Feb. 28, 2019
Debt Instrument [Line Items]
Repayment of debt				$ 3,000	$ 5,333
Medium-term Notes
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 70,000
Debt issuance costs							$ 0
Term Loan | Medium-term Notes
Debt Instrument [Line Items]
Maximum borrowing capacity								$ 40,000
Debt instrument, floor percentage	6.00%
Effective interest rate		10.73%		10.73%		9.70%
Repayment of debt				$ 3,000	5,300
Borrowed amount				0	700
Principal outstanding		$ 27,300		27,300		$ 30,300
Interest costs incurred relating to the Term Loan		700	$ 600	2,000	1,800
Interest costs capitalized as part of an asset		$ 0	$ 500	$ 600	$ 1,000
Term Loan | Medium-term Notes | Prime Rate
Debt Instrument [Line Items]
Variable interest rate	1.25%

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Long-Term Debt - Schedule of Maturities of Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Disclosure [Abstract]
2023	$ 1,000
2024	4,000
2025	4,000
2026	4,000
2027	14,333
Total principal payments	27,333
Less: unamortized debt discount	(531)
Less: current portion of long-term debt	(3,834)	$ (3,879)
Non-current portion of long-term debt	$ 22,968	$ 25,788

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Common Stock and Stockholders’ Equity - Narrative (Details)	9 Months Ended
	Sep. 30, 2023 vote shares
Class of Stock [Line Items]
Conversion of stock (in shares) | shares	1
Class A common stock
Class of Stock [Line Items]
Number of votes for each share	1
Class B common stock
Class of Stock [Line Items]
Number of votes for each share	10

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Common Stock and Stockholders’ Equity - Schedule of Common Stock Issued and Outstanding (Details) - shares	Sep. 30, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Authorized (in shares)	1,120,000,000	1,120,000,000
Issued (in shares)	106,837,000	101,532,000
Outstanding (in shares)	106,837,000	101,532,000
Class A common stock
Class of Stock [Line Items]
Authorized (in shares)	1,000,000,000	1,000,000,000
Issued (in shares)	76,866,000	70,723,000
Outstanding (in shares)	76,866,000	70,723,000
Class B common stock
Class of Stock [Line Items]
Authorized (in shares)	120,000,000	120,000,000
Issued (in shares)	29,971,000	30,809,000
Outstanding (in shares)	29,971,000	30,809,000

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Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense	$ 7,888	$ 7,177	$ 24,907	$ 20,758
Operations, product, and technology
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense	2,858	2,480	9,442	7,842
Marketing
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense	1,264	818	3,392	2,377
Sales, general, and administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense	$ 3,766	$ 3,879	$ 12,073	$ 10,539

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Stock-Based Compensation - Schedule of Stock Option Activity (Details) - Stock options $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares
Number of Options Outstanding
Options outstanding, beginning balance (in shares) | shares	17,872,000
Options granted (in shares) | shares	0
Options exercised (in shares) | shares	(505,000)
Options forfeited or expired (in shares) | shares	(347,000)
Options outstanding, ending balance (in shares) | shares	17,020,000	17,872,000
Options exercisable (in shares) | shares	15,128,000
Weighted-Average Exercise Price Per Share
Beginning balance (in dollars per share) | $ / shares	$ 1.97
Options granted (in dollars per share) | $ / shares	0
Options exercised (in dollars per share) | $ / shares	1.86
Options forfeited or expired (in dollars per share) | $ / shares	3.36
Ending balance (in dollars per share) | $ / shares	1.95	$ 1.97
Options exercisable (in dollars per share) | $ / shares	$ 1.91
Weighted-Average Remaining Contractual Life
Options outstanding	4 years 6 months	5 years 2 months 12 days
Options exercisable	4 years 2 months 15 days
Aggregate Intrinsic Value
Options outstanding | $	$ 36,049	$ 1,442
Options exercisable | $	$ 32,498

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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation capitalized costs	$ 0.0		$ 0.0	$ 0.5	$ 0.4
Outstanding stock options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total intrinsic value of stock options exercised				0.6
Unrecognized compensation expense	1.7			$ 1.7
Weighted average period unrecognized stock-based compensation expense				1 year 21 days
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation expense	$ 47.0			$ 47.0
Weighted average period unrecognized stock-based compensation expense				1 year 10 months 17 days
Stock-based compensation vesting expense				$ 24.6
Award vesting period (in years)		3 years				4 years
Accelerated compensation expense		$ 2.4

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Stock-Based Compensation - Schedule of RSU Activity (Details) - Restricted stock units shares in Thousands	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	7,855
Granted (in shares) | shares	8,917
Vested (in shares) | shares	(4,788)
Forfeited (in shares) | shares	(1,075)
Outstanding at end of period (in shares) | shares	10,909
Weighted-Average Grant Date Fair Value Per Share
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 8.01
Granted (in dollars per share) | $ / shares	1.86
Vested (in dollars per share) | $ / shares	5.14
Forfeited (in dollars per share) | $ / shares	4.65
Outstanding at end of period (in dollars per share) | $ / shares	$ 4.57

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Loss Per Share (Details) - shares shares in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	28,026	27,020
Outstanding stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	17,020	17,966
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	10,909	8,693
Delayed share issuance related to acquisition
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	0	131
Employee stock purchase plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	97	230