10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

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

For the quarterly period ended March 31, 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 000-51122

EyePoint Pharmaceuticals, Inc.

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation or organization)	26-2774444 (I.R.S. Employer Identification No.)
480 Pleasant Street Watertown, MA (Address of principal executive offices)	02472 (Zip Code)

(617) 926-5000

(Registrant’s telephone number, including area code)

(Former name, former address and former fiscal year, if changed since last report)

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.001	EYPT	The Nasdaq Stock Market LLC

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 34,301,926 shares of the registrant’s common stock, $0.001 par value, outstanding as of April 27, 2023.

EYEPOINT PHARMACEUTICALS, INC. AND SUBSIDIARIES

INDEX TO FORM 10-Q

		Page
PART I. FINANCIAL INFORMATION
Item 1.	Unaudited Financial Statements
	Condensed Consolidated Balance Sheets – March 31, 2023 and December 31, 2022	3
	Condensed Consolidated Statements of Operations and Comprehensive Loss – Three months ended March 31, 2023 and 2022	4
	Condensed Consolidated Statements of Stockholders’ Equity – Three months ended March 31, 2023 and 2022	5
	Condensed Consolidated Statements of Cash Flows – Three months ended March 31, 2023 and 2022	6
	Notes to Condensed Consolidated Financial Statements	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	22
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	30
Item 4.	Controls and Procedures	30
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	31
Item 4.	Mine Safety Disclosures	31
Item 5.	Other Information	32
Item 6.	Exhibits	33
Signatures		35
Certifications

2

PART I. FINANCIAL INFORMATION

Item 1. Unaudited Financial Statements

EYEPOINT PHARMACEUTICALS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

(In thousands except share data)

	March 31,			December 31,
	2023			2022
Assets
Current assets:
Cash and cash equivalents	$	105,765		$	95,633
Marketable securities		16,718			48,928
Accounts and other receivables, net		10,422			15,503
Prepaid expenses and other current assets		9,081			9,858
Inventory		4,071			2,886
Total current assets		146,057			172,808
Property and equipment, net		2,609			1,360
Operating lease right-of-use assets		5,777			6,038
Restricted cash		150			150
Total assets	$	154,593		$	180,356
Liabilities and stockholders' equity
Current liabilities:
Accounts payable	$	9,453		$	5,919
Accrued expenses		10,485			16,359
Deferred revenue		1,237			1,205
Short-term borrowings		5,295			10,475
Other current liabilities		772			579
Total current liabilities		27,242			34,537
Long-term debt		29,370			29,310
Deferred revenue – noncurrent		13,270			13,557
Operating lease liabilities – noncurrent		5,721			5,984
Other long-term liabilities		600			600
Total liabilities		76,203			83,988
Contingencies (Note 13)
Stockholders' equity:
Preferred stock, $.001 par value, 5,000,000 shares authorized, no shares issued    and outstanding		—			—
Common stock, $.001 par value, 300,000,000 shares authorized at March 31, 2023    and December 31, 2022; 34,301,926 and 34,082,934 shares issued and outstanding at    March 31, 2023 and December 31, 2022, respectively		34			34
Additional paid-in capital		770,028			766,899
Accumulated deficit		(692,515	)		(671,351	)
Accumulated other comprehensive income		843			786
Total stockholders' equity		78,390			96,368
Total liabilities and stockholders' equity	$	154,593		$	180,356

See notes to condensed consolidated financial statements.

3

EYEPOINT PHARMACEUTICALS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS

(Unaudited)

(In thousands except per share data)

	Three Months Ended
	March 31,
	2023			2022
Revenues:
Product sales, net	$	7,394		$	9,010
License and collaboration agreements		34			59
Royalty income		255			225
Total revenues		7,683			9,294
Operating expenses:
Cost of sales, excluding amortization of acquired intangible assets		640			1,777
Research and development		13,618			9,945
Sales and marketing		5,737			6,693
General and administrative		9,242			8,548
Amortization of acquired intangible assets		—			615
Total operating expenses		29,237			27,578
Loss from operations		(21,554	)		(18,284	)
Other income (expense):
Interest and other income, net		1,202			61
Interest expense		(812	)		(1,194	)
Loss on extinguishment of debt		—			(1,559	)
Total other income (expense), net		390			(2,692	)
Net loss	$	(21,164	)	$	(20,976	)
Net loss per share – basic and diluted	$	(0.56	)	$	(0.56	)
Weighted average shares outstanding – basic and diluted		37,486			37,253
Net loss	$	(21,164	)	$	(20,976	)
Other comprehensive loss:
Unrealized gain (loss) on available-for-sale    securities, net of tax of $0 for periods presented		57			(53	)
Comprehensive loss	$	(21,107	)	$	(21,029	)

See notes to condensed consolidated financial statements.

4

EYEPOINT PHARMACEUTICALS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

(Unaudited)

(In thousands except share data)

	Common Stock				Additional						Accumulated Other			Total
	Number of Shares		Par Value Amount		Paid-In Capital			Accumulated Deficit			Comprehensive Income			Stockholders’ Equity
Balance at January 1, 2022		33,905,826	$	34	$	752,602		$	(569,097	)	$	841		$	184,380
Net loss		—		—		—			(20,976	)		—			(20,976	)
Other comprehensive loss		—		—		—			—			(53	)		(53	)
Employee stock purchase plan		28,504		—		201			—			—			201
Exercise of stock options		4,223		—		40			—			—			40
Vesting of stock units		108,575		—		(250	)		—			—			(250	)
Stock-based compensation		—		—		3,477			—			—			3,477
Balance at March 31, 2022		34,047,128	$	34	$	756,070		$	(590,073	)	$	788		$	166,819
Balance at January 1, 2023		34,082,934	$	34	$	766,899		$	(671,351	)	$	786		$	96,368
Net loss		—		—		—			(21,164	)					(21,164	)
Other comprehensive gain		—		—		—			—			57			57
Employee stock purchase plan		63,721		—		248			—			—			248
Exercise of stock options		—		—		—			—			—			—
Vesting of stock units		155,271		—		(169	)		—			—			(169	)
Stock-based compensation		—		—		3,050			—			—			3,050
Balance at March 31, 2023		34,301,926	$	34	$	770,028		$	(692,515	)	$	843		$	78,390

See notes to condensed consolidated financial statements.

5

EYEPOINT PHARMACEUTICALS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(In thousands)

	Three Months Ended
	March 31,
	2023			2022
Cash flows from operating activities:
Net loss	$	(21,164	)	$	(20,976	)
Adjustments to reconcile net loss to cash flows used in    operating activities:
Amortization of intangible assets		—			615
Depreciation of property and equipment		105			81
Amortization of debt discount and premium and discount on    available-for-sale marketable securities		(244	)		110
Loss on extinguishment of debt		—			1,559
Stock-based compensation		3,050			3,477
Changes in operating assets and liabilities:
Accounts receivable and other current assets		4,932			(2,937	)
Inventory		(1,185	)		280
Accounts payable and accrued expenses		(2,267	)		(2,107	)
Right-of-use assets and operating lease liabilities		193			(35	)
Deferred revenue		(255	)		(225	)
Net cash used in operating activities		(16,835	)		(20,158	)
Cash flows from investing activities:
Purchases of marketable securities		(2,930	)		(62,293	)
Sales and maturities of marketable securities		35,500			6,000
Purchases of property and equipment		(484	)		(149	)
Net cash provided by (used in) investing activities		32,086			(56,442	)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		—			30,000
Payment of equity and debt issue costs		—			(352	)
Payment of long-term debt		—			(38,235	)
Payment of extinguishment of debt costs		—			(2,294	)
Borrowings under revolving facility		5,300			11,459
Repayment under revolving facility		(10,480	)		(984	)
Net settlement of stock units to satisfy statutory tax withholding		(169	)		(250	)
Proceeds from exercise of stock options		248			241
Principal payments on finance lease obligations		(18	)		(33	)
Net cash used in financing activities		(5,119	)		(448	)
Net increase (decrease) in cash, cash equivalents and restricted cash		10,132			(77,048	)
Cash, cash equivalents and restricted cash at beginning of period		95,783			178,743
Cash, cash equivalents and restricted cash at end of period	$	105,915		$	101,695
Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets:
Cash and cash equivalents	$	105,765		$	101,545
Restricted cash		150			150
Total cash, cash equivalents and restricted cash at end of period	$	105,915		$	101,695
Supplemental cash flow information:
Cash interest paid	$	740		$	941
Supplemental disclosure of non-cash investing and financing activities:
Debt issue costs	$	—		$	244
Accrued term loan exit fee	$	—		$	600

See notes to condensed consolidated financial statements.

6

EYEPOINT PHARMACEUTICALS, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1.Operations

The accompanying condensed consolidated financial statements of EyePoint Pharmaceuticals, Inc., a Delaware corporation (together with its subsidiaries, the Company), as of March 31, 2023 and for the three months ended March 31, 2023 and 2022 are unaudited. Certain information in the footnote disclosures of these financial statements has been condensed or omitted in accordance with the rules and regulations of the Securities and Exchange Commission. These financial statements should be read in conjunction with the Company’s audited consolidated financial statements and footnotes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022. In the opinion of management, these statements have been prepared on the same basis as the audited consolidated financial statements as of and for the year ended December 31, 2022, and include all adjustments, consisting only of normal recurring adjustments, that are necessary for the fair presentation of the Company’s financial position, results of operations, comprehensive loss and cash flows for the periods indicated. The preparation of financial statements in accordance with United States (U.S.) generally accepted accounting principles requires management to make assumptions and estimates that affect, among other things, (i) reported amounts of assets and liabilities; (ii) disclosure of contingent assets and liabilities at the date of the consolidated financial statements; and (iii) reported amounts of revenues and expenses during the reporting period. The results of operations for the three months ended March 31, 2023 are not necessarily indicative of the results that may be expected for the entire fiscal year or any future period.

The Company is committed to developing and commercializing therapeutics to help improve the lives of patients with serious eye disorders. The Company’s pipeline leverages its proprietary erodible DURASERT E™ technology (Durasert E) for sustained intraocular drug delivery including EYP-1901, an investigational sustained delivery intravitreal treatment currently in Phase 2 clinical trials for wet age-related macular degeneration (wet AMD), the leading cause of vision loss among people 50 years of age and older in the United States and non-proliferative diabetic retinopathy (NPDR), a largely untreated disease due to limitations of available therapies. The Company also commercializes YUTIQ®, a once every three-year treatment for chronic non-infectious uveitis affecting the posterior segment of the eye that utilizes a non-erodible formulation of Durasert. YUTIQ is currently being sold in the United States and the Company has focused on its use with both uveitis and retinal specialist physicians. DEXYCU®, a single-dose treatment for postoperative inflammation following ocular surgery, is also being sold in the United States, but no longer actively marketed in the United States due to loss of pass-through reimbursement by the Center for Medicare & Medicaid Services (CMS) as of January 1, 2023.

The Company plans to identify and advance additional pipeline product candidates through clinical and regulatory development. This may be accomplished through internal discovery efforts, research collaborations and/or in-licensing arrangements with partner molecules and potential acquisitions of additional ophthalmic products, product candidates or technologies that complement the Company’s current product portfolio.

Effects of the COVID-19 Coronavirus Pandemic

The ongoing COVID-19 coronavirus pandemic (the Pandemic) has had a material and adverse impact on the Company’s business pursuant to a reduction in physician office visits impacting YUTIQ. Going forward, the duration and full extent to which the Pandemic impacts the Company’s business, revenues, financial condition and cash flows depend on future developments that are highly uncertain, subject to change and are difficult to predict, including new information that may emerge concerning the Pandemic, and may cause intermittent or prolonged periods of reduced patient services at the Company’s customers’ facilities, which may negatively affect customer demand. The Company’s revenues, financial condition and cash flows may be adversely affected in the future as well. The Company is continuously monitoring the Pandemic and its potential effect on the Company’s financial position, results of operations and cash flows. Although the U.S. government has announced the termination of the public health emergency associated with the Pandemic as of May 2023, there remains an uncertainty about the potential future impact of the Pandemic on the Company’s business. This uncertainty could have an impact in future periods on certain estimates used in the preparation of the Company’s periodic financial results, including reserves for variable consideration related to product sales, realizability of certain receivables and assessment for excess or obsolete inventory. Uncertainty around the extent and length of time of the Pandemic, and any future related financial impact cannot be reasonably estimated at this time.

7

Liquidity

The Company had cash, cash equivalents and investments in marketable securities of $122.5 million at March 31, 2023. The Company has a history of operating losses and has not had significant recurring cash inflows from revenue. The Company’s operations have been financed primarily from sales of its equity securities, issuance of debt and a combination of license fees, milestone payments, royalty income and other fees received from its collaboration partners. The Company anticipates that it will continue to incur losses as it continues the research and development of its product candidates, and the Company does not expect revenues from its product sales to generate sufficient funding to sustain its operations in the near-term. The Company expects to continue fulfilling its funding needs through cash inflows from revenues of its product sales, licensing and research collaboration transactions, additional equity capital raises and other arrangements. The Company believes that its cash, cash equivalents and investments in marketable securities of $122.5 million at March 31, 2023 coupled with expected net cash inflows from its product sales will enable the Company to fund its current and planned operations for at least the next twelve months from the date these consolidated financial statements were issued. Actual cash requirements could differ from management’s projections due to many factors, including the uncertainty and potential effect of the Pandemic on the Company’s business and the medical community, the timing and results of the Company’s clinical trials for EYP-1901, additional investments in research and development programs, the success of ongoing commercialization efforts for YUTIQ, the actual costs of these ongoing commercialization efforts, competing technological and market developments and the costs of any strategic acquisitions and/or development of complementary business opportunities.

Recently Adopted and Recently Issued Accounting Pronouncements

New accounting pronouncements are issued periodically by the Financial Accounting Standards Board and are adopted by the Company as of the specified effective dates. The Company believes that recently issued and adopted pronouncements will not have a material impact on the Company’s financial position, results of operations and cash flows or do not apply to the Company’s operations.

2.Summary of Significant Accounting Policies

Revenue Recognition

Revenue is recognized when a customer obtains control of promised goods or services, in an amount that reflects the consideration which the entity expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that an entity determines are within the scope of ASC 606, Revenue from Contracts with Customers (ASC 606), the Company performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) the entity satisfies a performance obligation. The Company only applies the five-step model to contracts when it is probable that the entity will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC 606, the Company assesses the goods or services promised within the contract, determines those that are performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Sales, value-add and other taxes collected on behalf of third parties are excluded from revenue.

Product sales, net — The Company sells YUTIQ and DEXYCU to a limited number of specialty distributors and specialty pharmacies (collectively the Distributors) in the U.S., with whom the Company has entered into formal agreements, for delivery to physician practices for YUTIQ and to hospital outpatient departments and ambulatory surgical centers (ASCs) for DEXYCU. The Company recognizes revenue on sales of its products when Distributors obtain control of the products, which occurs at a point in time, typically upon delivery. In addition to agreements with Distributors, the Company also enters into arrangements with healthcare providers, ASCs and payors that provide for government mandated and/or privately negotiated rebates, chargebacks and discounts with respect to the purchase of the Company’s products from Distributors.

8

Reserves for variable consideration — Product sales are recorded at the wholesale acquisition costs, net of applicable reserves for variable consideration. Components of variable consideration include trade discounts and allowances, provider chargebacks and discounts, payor rebates, product returns and other allowances that are offered within contracts between the Company and its Distributors, payors and other contracted purchasers relating to the Company’s product sales. These reserves, as detailed below, are based on the amounts earned, or to be claimed on the related sales, and are classified either as reductions of product revenue and accounts receivable or a current liability, depending on how the amount is to be settled. Overall, these reserves reflect the Company’s best estimates of the amount of consideration to which it is entitled based on the terms of the respective underlying contracts. Actual amounts of consideration ultimately received may differ from the Company’s estimates. If actual results in the future vary from the estimates, the Company adjusts product revenue and earnings in the period such variances become known.

Distribution fees — The Company compensates its Distributors for services explicitly stated in the Company’s contracts and are recorded as a reduction of revenue in the period the related product sale is recognized.

Provider chargebacks and discounts — Chargebacks are discounts that represent the estimated obligations resulting from contractual commitments to sell products at prices lower than the list prices charged to the Company’s Distributors. These Distributors charge the Company for the difference between what they pay for the product and the Company’s contracted selling price. These reserves are established in the same period that the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability. Reserves for chargebacks consist of amounts that the Company expects to pay for units that remain in the distribution channel inventories at each reporting period-end that the Company expects will be sold under a contracted selling price, and chargebacks that Distributors have claimed, but for which the Company has not yet settled.

Government rebates — The Company is subject to discount obligations under state Medicaid programs and Medicare. These reserves are recorded in the same period the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability which is included in accrued expenses and other current liabilities on the condensed consolidated balance sheets. The Company’s liability for these rebates consists of invoices received for claims from prior quarters that have not been paid or for which an invoice has not yet been received, estimates of claims for the current quarter, and estimated future claims that will be made for product that has been recognized as revenue, but which remains in the distribution channel inventories at the end of each reporting period.

Payor rebates — The Company contracts with certain private payor organizations, primarily insurance companies, for the payment of rebates with respect to utilization of its products. The Company estimates these rebates and records such estimates in the same period the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability.

Co-Payment assistance — The Company offers co-payment assistance to commercially insured patients meeting certain eligibility requirements. The calculation of the accrual for co-pay assistance is based on an estimate of claims and the cost per claim that the Company expects to receive associated with product that has been recognized as revenue.

Product returns — The Company generally offers a limited right of return based on its returned goods policy, which includes damaged product and remaining shelf life. The Company estimates the amount of its product sales that may be returned and records this estimate as a reduction of revenue in the period the related product revenue is recognized, as well as reductions to trade receivables, net on the condensed consolidated balance sheets.

License and collaboration agreement revenue — The Company analyzes each element of its license and collaboration arrangements to determine the appropriate revenue recognition. The terms of the license agreement may include payment to the Company of non-refundable upfront license fees, milestone payments if specified objectives are achieved, and/or royalties on product sales. The Company recognizes revenue from upfront payments at a point in time, typically upon fulfilling the delivery of the associated intellectual property to the customer.

If the contract contains a single performance obligation, the entire transaction price is allocated to the single performance obligation. Contracts that contain multiple performance obligations require an allocation of the transaction price based on the estimated relative standalone selling prices of the promised products or services underlying each performance obligation. The Company determines standalone selling prices based on the price at which the performance obligation is sold separately. If the standalone selling price is not observable through past transactions, the Company estimates the standalone selling price taking into account available information such as market conditions and internally approved pricing guidelines related to the performance obligations.

9

The Company recognizes sales-based milestone payments as revenue upon the achievement of the cumulative sales amount specified in the contract in accordance with ASC 606-10-55-65. For those milestone payments which are contingent on the occurrence of particular future events, the Company determines that these need to be considered for inclusion in the calculation of total consideration from the contract as a component of variable consideration using the most-likely amount method. As such, the Company assesses each milestone to determine the probability and substance behind achieving each milestone. Given the inherent uncertainty associated with these future events, the Company will not recognize revenue from such milestones until there is a high probability of occurrence, which typically occurs near or upon achievement of the event.

When determining the transaction price of a contract, an adjustment is made if payment from a customer occurs either significantly before or significantly after performance, resulting in a significant financing component. Applying the practical expedient in paragraph 606-10-32-18, the Company does not assess whether a significant financing component exists if the period between when the Company performs its obligations under the contract and when the customer pays is one year or less. None of the Company’s contracts contained a significant financing component as of March 31, 2023.

Royalties — The Company recognizes revenue from license arrangements with its commercial partners’ net sales of products. Such revenues are included as royalty income. In accordance with ASC 606-10-55-65, royalties are recognized when the subsequent sale of the commercial partner’s products occurs. The Company’s commercial partners are obligated to report their net product sales and the resulting royalty due to the Company typically within 60-days from the end of each quarter. Based on historical product sales, royalty receipts and other relevant information, the Company recognizes royalty income each quarter and subsequently determines a true-up when it receives royalty reports and payment from its commercial partners. Historically, these true-up adjustments have been immaterial.

Sale of Future Royalties — The Company has sold its rights to receive certain royalties on product sales. In the circumstance where the Company has sold its rights to future royalties under a royalty purchase agreement (RPA) and also maintains limited continuing involvement in the arrangement (but not significant continuing involvement in the generation of the cash flows that are due to the purchaser), the Company defers recognition of the proceeds it receives for the sale of royalty streams and recognizes such unearned revenue as revenue under the units-of-revenue method over the life of the underlying license agreement. Under the units-of-revenue method, amortization for a reporting period is calculated by computing a ratio of the proceeds received from the purchaser to the total payments expected to be made to the purchaser over the term of the agreement, and then applying that ratio to the period’s cash payment.

Estimating the total payments expected to be received by the purchaser over the term of such arrangements requires management to use subjective estimates and assumptions. Changes to the Company’s estimate of the payments expected to be made to the purchaser over the term of such arrangements could have a material effect on the amount of revenues recognized in any particular period.

Research Collaborations — The Company recognizes revenue over the term of the statements of work under any funded research collaborations. Revenue recognition for consideration, if any, related to a license option right is assessed based on the terms of any such future license agreement or is otherwise recognized at the completion of the research collaborations.

Please refer to Note 3 for further details on the license and collaboration agreements into which the Company has entered and corresponding amounts of revenue recognized during the current and prior year periods.

Cost of sales, excluding amortization of acquired intangible assets — Cost of sales, excluding amortization of acquired intangible assets, consist of costs associated with the manufacture of YUTIQ and DEXYCU, certain period costs for DEXYCU product revenue, product shipping and, as applicable, royalty expense. The inventory costs for YUTIQ include purchases of various components, the active pharmaceutical ingredient (API) and direct labor and overhead for the product manufactured in the Company’s Watertown, Massachusetts facility. The inventory costs for DEXYCU include purchased components, the API and third-party manufacturing and assembly.

For the three months ended March 31, 2023 and 2022, the Company accrued DEXYCU product revenue-based royalty expense of $1,000 and $674,000, respectively, as a component of cost of sales.

3.Revenue

Product Revenue Reserves and Allowances

As of March 31, 2023, the Company’s product revenues have been primarily from sales of YUTIQ in the U.S. (See Note 1).

10

The following table summarizes activity in each of the product revenue allowance and reserve categories for the three months ended March 31, 2023 and 2022 (in thousands):

	Chargebacks, Discounts			Government and Other
	and Fees			Rebates			Returns			Total
Beginning balance at January 1, 2023	$	859		$	158		$	871		$	1,888
Provision related to sales in the current year		823			—			—			823
Adjustments related to prior period sales		40			(40	)		(18	)		(18	)
Deductions applied and payments made		(846	)		(103	)		(32	)		(981	)
Ending balance at March 31, 2023	$	876		$	15		$	821		$	1,712
	Chargebacks, Discounts			Government and Other
	and Fees			Rebates			Returns			Total
Beginning balance at January 1, 2022	$	1,153		$	1,821		$	379		$	3,353
Provision related to sales in the current year		2,674			2,003			140			4,817
Adjustments related to prior period sales		—			—			—			—
Deductions applied and payments made		(1,904	)		(1,693	)		(87	)		(3,684	)
Ending balance at March 31, 2022	$	1,923		$	2,131		$	432		$	4,486

Returns are recorded as a reduction of accounts receivable on the condensed consolidated balance sheets. Chargebacks, discounts and fees and rebates are recorded as a component of accrued expenses on the condensed consolidated balance sheets (See Note 6).

License and Collaboration Agreements and Royalty Income

SWK Royalty Purchase Agreement

Pursuant to a royalty purchase agreement (RPA) with SWK Funding LLC (SWK), the Company sold its right to receive royalty payments on future sales of products subject to a licensing and development agreement, as amended, with Alimera Sciences, Inc. (Alimera) (the Amended Alimera Agreement) for an upfront cash payment of $16.5 million. The Company classified the proceeds received from SWK as deferred revenue. The Company recognized $255,000 and $225,000 of royalty revenue related to the RPA for the three months ended March 31, 2023 and 2022, respectively, in connection with the royalty payment of $727,000 and $724,000 for the three months ended March 31, 2023 and 2022 from Alimera to SWK, pursuant to the Amended Alimera Agreement, respectively. As of March 31, 2023, the Company had $1.2 million and $13.3 million as current and non-current deferred revenue recognized under the RPA, respectively. As of December 31, 2022, the Company classified $1.2 million and $13.6 million as current and non-current deferred revenue recognized under the RPA, respectively.

Ocumension Therapeutics

Pursuant to license agreements and a Memorandum of Understanding signed with the Company, Ocumension Therapeutics (Ocumension) has:

•An exclusive license for the development and commercialization of its three-year micro insert using the Durasert technology for the treatment of posterior segment uveitis of the eye (YUTIQ in the U.S.) in Mainland China, Hong Kong, Macau and Taiwan at its own cost and expense in return for royalties based on sales with the Company supplying products for clinical trials and commercial sale;

•An exclusive license for the development and commercialization in Mainland China, Hong Kong, Macau and Taiwan of DEXYCU for the treatment of post-operative inflammation following ocular surgery at its own cost and expense in return for royalties based on sales with the Company supplying product for clinical trials and commercial sale; and

•Exclusive rights to develop and commercialize YUTIQ and DEXYCU products under its own brand names in South Korea and other jurisdictions across Southeast Asia in Brunei, Burma (Myanmar), Cambodia, Timor-Leste, Indonesia, Laos, Malaysia, the Philippines, Singapore, Thailand and Vietnam, at its own cost and expense in return for royalties based on sales with the Company supplying product for clinical trials and commercial sale.

In September 2021, Ocumension announced its receipt of approval from Chinese regulatory authorities for DEXYCU under Ocumension’s distinct name to conduct a Phase 3 clinical trial in China. In June 2022, Ocumension announced its receipt of approval of the NDA from Chinese regulatory authorities for YUTIQ under Ocumension’s distinct name.

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The Chief Executive Officer of Ocumension became a director of the Company starting December 31, 2020, pursuant to a Share Purchase Agreement pursuant to which the Company sold to Ocumension 3,010,722 shares of common stock, at which time, Ocumension became a related party of the Company.

During the three months ended March 31, 2023 and 2022, in addition to $11,000 and $56,000 of revenue from product sales, respectively, the Company recognized approximately $30,000 and $59,000 of license and collaboration revenue, respectively, related to additional technical assistance. No royalty income was recorded for the three months ended March 31, 2023 and 2022.

Exclusive License Agreement with Betta Pharmaceuticals, Co., Ltd.

On May 2, 2022, the Company entered into an Exclusive License Agreement (the Betta License Agreement) with Betta Pharmaceuticals Co., Ltd. (Betta), an affiliate of Equinox Sciences, LLC (Equinox) (see Note 11). Under the Betta License Agreement, the Company granted to Betta an exclusive, sublicensable, royalty-bearing license under certain of the Company’s intellectual property to develop, use (but not make or have made), sell, offer for sale and import the Company’s product candidate, EYP-1901, an investigational sustained delivery intravitreal anti-VEGF treatment that combines an erodible formulation of the Company’s proprietary sustained-release technology with the compound vorolanib (the Licensed Product), in the field of ophthalmology (the Betta Field) in the Greater Area of China, including China, the Hong Kong Special Administrative Region, the Macau Special Administrative Region, and Taiwan (the Betta Territory). The Company retained rights under the Company’s intellectual property to, among other things, conduct clinical trials on the Licensed Product in the Betta Field in the Betta Territory.

In consideration for the rights granted by the Company, Betta agreed to pay the Company tiered, mid-to-high single-digit royalties based upon annual net sales of Licensed Products in the Betta Territory. The royalties are payable on a Licensed Product-by-Licensed Product and region-by-region basis commencing on the first commercial sale of a Licensed Product in a region and continuing until the later of (i) the date that is twelve (12) years after first commercial sale of such Licensed Product in such region, and (ii) the first day of the month following the month in which a generic product corresponding to such Licensed Product is launched in the relevant region. The royalty rate is subject to reduction under certain circumstances, including when there is no valid claim of a licensed patent that covers a Licensed Product in a particular region.

Betta is responsible for all costs relating to development, registration, manufacturing, marketing, advertising, promotional, launch and sales activities in connection with the Licensed Products in the Betta Field in the Betta Territory. Betta is required to use commercially reasonable efforts to develop, seek regulatory approval for, and commercialize at least one Licensed Product in the Betta Field in the Betta Territory. The Betta License Agreement also requires Betta to achieve certain diligence milestones relating to regulatory filings, patient dosing and regulatory approval by certain specified deadlines set forth in the Betta License Agreement, subject to certain exceptions and extensions as set forth in the Betta License Agreement. Betta’s development activities will be conducted pursuant to a development plan subject to periodic updates. In the event that the Company conducts a global registrational clinical trial for a Licensed Product in the Betta Field, Betta will have the right to participate in such clinical trial by including clinical trial sites in the Betta Territory in accordance with the terms of the Betta License Agreement. The Company has also agreed to provide certain technology transfer and other support services to Betta subject to certain conditions and limitations set forth in the Betta License Agreement.

The Company recorded no revenue from product sales, license and collaboration revenue, or royalty income for the three months ended March 31, 2023 and 2022 related to this agreement.

Research Collaborations

The Company from time to time enters into agreements to evaluate the potential use of its technologies for sustained release of third-party partner drug candidates. Consideration received is generally recognized as revenue over the term of the research collaborations. Revenue recognition for consideration, if any, related to a license option right is assessed based on the terms of any such future license agreement or is otherwise recognized at the completion of the research collaborations. No revenue was recorded under research collaborations for the three months ended March 31, 2023 and 2022.

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4.Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	March 31, 2023		December 31, 2022
Prepaid expenses	$	2,443	$	2,723
Prepaid clinical		6,638		6,353
Other		—		782
Total prepaid expenses and other current assets	$	9,081	$	9,858

5.Inventory

Inventory consisted of the following (in thousands):

	March 31, 2023		December 31, 2022
Raw materials	$	1,274	$	1,410
Work in process		1,600		1,078
Finished goods		1,197		398
Total inventory	$	4,071	$	2,886

6.Accrued Expenses

Accrued expenses consisted of the following at March 31, 2023 and December 31, 2022 (in thousands):

	March 31,		December 31,
	2023		2022
Personnel costs	$	4,254	$	9,515
Clinical trial costs		3,287		3,308
Professional fees		920		761
Sales chargebacks, rebates and other revenue reserves		891		1,017
Commissions due to DEXYCU commercial partner		249		752
Other		884		1,006
Total accrued expenses	$	10,485	$	16,359

7.Leases

On May 17, 2018, the Company amended the lease for its headquarters in Watertown, Massachusetts. The original five-year lease for approximately 13,650 square feet of combined office and laboratory space was set to expire in April 2019. Under the amendment, the Company leased an additional 6,590 square feet of rentable area of the building, with a commencement date of September 10, 2018. The amendment extended the term of the lease for the combined space through May 31, 2025, and the landlord provided the Company a construction allowance of up to $670,750 to be applied toward renovations and improvements within the total space. On April 5, 2021, the Company further amended the lease to include an additional 1,409 square feet of rentable area of the building, through May 31, 2025, with a commencement date of July 1, 2021.

On March 8, 2022, the Company further amended the lease (i) to extend the term to May 31, 2028 for 13,650 square feet of laboratory and manufacturing operations space, with the landlord agreeing to provide the Company a construction allowance of up to $555,960 to be applied toward upgrades and improvements within the space; (ii) to rent an additional 11,999 square feet of office space within the building through May 31, 2028 (New Premises); and (iii) to terminate a portion of the lease comprising 7,999 square feet of office space in the building in accordance with its existing contractual term on May 31, 2025. The amendment also reinstated the Company’s right to extend the lease for the space it occupies after May 31, 2025 for one additional period of five years. Rent for the extension period would be at the fair market rent for comparable space in comparable properties in the Watertown area. During the second quarter of 2022, the Company recognized a $2.9 million increase to its lease liabilities and right-of-use (ROU) assets resulting from the lease amendment for the term extension of the laboratory and manufacturing operations space.

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The lease for the New Premises commenced during the third quarter of 2022. The Company occupied the New Premises when the landlord substantially completed its construction for the space, after which the Company’s obligation to pay base rent began. The Company recognized an increase of $1.6 million to its lease liabilities and $1.7 million to its ROU assets resulting from the lease for the New Premises.

The Company previously provided a cash-collateralized $150,000 irrevocable standby letter of credit as security for the Company’s obligations under the lease, which will remain in effect through the period that is four months beyond the expiration date of the amended lease. The Company will also be required to pay its proportionate share of certain operating costs and property taxes applicable to the leased premises in excess of new base year amounts.

On January 23, 2023, the Company entered into a lease agreement with V.E. Properties IX, LLC for its new standalone manufacturing facility, including office and lab space located at 600 Commerce Drive, Northbridge, Massachusetts. The new leased premises will consist of approximately 40,000 square feet. The lease includes a lease term of fifteen years and four months, with two options to extend the lease term for two additional terms of either five years or ten years at 95% of the then-prevailing fair market rent. The lease term will commence upon the substantial completion of construction to prepare the premises for the Company’s intended use, which is currently expected to occur during the second half of 2024, provided, however, that the Company’s obligation to pay base rent will begin four months following the commencement of the lease term. The lease will create significant rights and obligations for the Company, including the payment of base rent on monthly basis, of which the Company estimates will total approximately $40.8 million during the initial non-cancellable term of the lease (i.e., fifteen years and four months). The Company is responsible for real estate taxes, maintenance, and other operating expenses applicable to the leased premises. As of the date the condensed consolidated financial statements were issued, construction had not yet commenced and a lease commencement date in accordance with ASC 842, Leases, had not occurred, as such, no ROU or lease liability has been recorded as of March 31, 2023.

The Company identified and assessed the following significant assumptions in recognizing its ROU assets and corresponding lease liabilities:

•As the Company’s leases do not specify an implicit rate, the Company estimated its incremental borrowing rate to calculate the present value of the lease payments. The Company utilized the borrowing rate under its CRG term loan facility (see Note 8) in the overall assessment of the discount rate for all leases, with the exception of the amendment dated March 8, 2022, for which the Company utilized the borrowing rate under its SVB term loan facility (see Note 8) in the overall assessment of the discount rate.

•Since the Company elected to account for each lease component and its associated non-lease components as a single combined component, all contract consideration was allocated to the respective lease components.

•The expected lease terms include non-cancellable lease periods. Renewal option periods have not been included in the determination of the lease terms as they are not deemed reasonably certain of exercise.

•Variable lease payments, such as common area maintenance, real estate taxes and property insurance are not included in the determination of the lease’s ROU asset or lease liability.

As of March 31, 2023, the weighted average remaining term of the Company’s operating leases was 5.0 years and the weighted average discount rate was 5.84%.

Supplemental balance sheet information related to operating leases as of March 31, 2023 and December 31, 2022 are as follows (in thousands):

	March 31,		December 31,
	2023		2022
Other current liabilities – operating lease current portion	$	754	$	543
Operating lease liabilities – noncurrent portion		5,721		5,984
Total operating lease liabilities	$	6,475	$	6,527

Operating lease expense recognized related to ROU assets was $355,000 and $229,000, excluding $45,000 and $3,000 of variable lease costs, for each of the three months ended March 31, 2023 and 2022, respectively, which consisted of $291,000 and $159,000 for research and development expense, $0 and $28,000 for sales and marketing expense, and $64,000 and $42,000 for general and administrative expense, respectively, and was included in the Company’s statement of comprehensive loss. Cash paid for amounts included in the measurement of operating lease liabilities was $145,000 and $242,000 for the three months ended March 31, 2023 and 2022, respectively.

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The Company’s total future minimum lease payments under non-cancellable leases at March 31, 2023 were as follows (in thousands):

	Operating Leases
Remainder of 2023	$	765
2024		1,392
2025		1,494
2026		1,589
2027		1,637
Thereafter		693
Total lease payments	$	7,570
Less imputed interest		(1,095	)
Total	$	6,475

8.Loan Agreements

SVB Loan Agreement

On March 9, 2022 (the SVB Closing Date), the Company entered into a loan and security agreement (the SVB Loan Agreement) with First Citizens BancShares, Inc. (First Citizens) as successor to Silicon Valley Bank (SVB), providing for (i) a senior secured term loan facility of $30.0 million (the Term Facility) and (ii) a senior secured revolving credit facility of up to $15.0 million (the Revolving Facility and together with the Term Facility, the Credit Facilities). The maximum amount available for borrowing at any time under the Revolving Facility is limited to a borrowing base valuation of the Company’s eligible accounts receivable. On the SVB Closing Date, $30.0 million of the Term Facility and $11.5 million of the Revolving Facility, were advanced, to pay off the CRG Loan Agreement, dated February 13, 2019, among the Company, as borrower, CRG Servicing LLC, as administrative agent and collateral agent, and the lenders party thereto from time to time, providing for a senior secured term loan of up to $60 million (CRG Loan), including the accrued interest through that date. The Revolving Facility is classified as short-term borrowings in the condensed consolidated balance sheets.

The loans under the Credit Facilities are due and payable on January 1, 2027 (the SVB Maturity Date). The Credit Facilities bear interest that is payable monthly in arrears at a per annum rate (subject to increase during an event of default) equal to (i) with respect to the Term Facility, the greater of (x) the Wall Street Journal prime rate plus 2.25% and (y) 5.50% and (ii) with respect to the Revolving Facility, the Wall Street Journal Prime Rate. An unused commitment fee of 0.25% per annum applies to unutilized borrowing capacity under the Revolving Facility. Commencing on February 1, 2024, the Company is required to repay the principal of the Term Facility in 36 consecutive equal monthly installments. At maturity or if earlier prepaid, the Company will also be required to pay an exit fee equal to 2.00% of the aggregate principal amount of the Term Facility.

The repayment of all unpaid principal and accrued interest under the Credit Facilities may be accelerated upon consummation of a specified change of control transaction or the occurrence of certain other events of default (as specified in the SVB Loan Agreement). Subject to certain exceptions, the Company is also required to make mandatory prepayments of outstanding loans under the Credit Facilities with the proceeds of assets sales and insurance proceeds, which amounts in the case of the Revolving Facility, subject to the conditions set forth in the SVB Loan Agreement, may be re-borrowed. All voluntary and mandatory prepayments of the Term Facility are subject to the payment of prepayment premiums as follows: (i) if prepayment occurs on or prior to the first anniversary of the SVB Closing Date, an amount equal to 3.0% of the aggregate outstanding principal amount of the Term Facility being prepaid, (ii) if prepayment occurs after the first anniversary of the SVB Closing Date and on or prior to the second anniversary of the SVB Closing Date, 2.0% of the aggregate outstanding principal amount of the Term Facility being prepaid, (iii) if prepayment occurs after the second anniversary of the SVB Closing Date and on or prior to the third anniversary of the SVB Closing Date, 1.0% of the aggregate outstanding principal amount of the Term Facility being prepaid and (iv) if prepayment occurs after the third anniversary of the SVB Closing Date but prior to the SVB Maturity Date, an amount equal to 0.50% of the aggregate outstanding principal amount of the Term Facility being prepaid. The prepayment of the Term Facility in full is also subject to the payment of an exit fee of $600,000. The Company may voluntarily terminate the Revolving Facility at any time, subject to the payment of a termination fee as follows: (i) if such termination occurs on or prior to the first anniversary of the SVB Closing Date, an amount equal to 3.0% of the Revolving Facility and (ii) if such termination occurs after the first anniversary of the SVB Closing Date, 1.0% of the Revolving Facility.

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The obligations of the Company under the SVB Loan Agreement are secured by a pledge of substantially all of the Company’s assets, excluding intellectual property. Certain of the Company’s future subsidiaries will be required to become co-borrowers under the SVB Loan Agreement or guarantee the obligations of the Company under the SVB Loan Agreement. In addition, such subsidiaries will be required to pledge substantially all of their assets, excluding intellectual property, to secure the obligations of the Company under the SVB Loan Agreement.

The SVB Loan Agreement contains affirmative and negative covenants customary for financings of this type, including limitations on the Company and its subsidiaries’ abilities, among other things, to incur additional debt, grant or permit additional liens, make investments and acquisitions, merge or consolidate with others, dispose of assets, pay dividends and distributions, enter into affiliate transactions and change its line of business, in each case, subject to certain exceptions.

On March 7, 2023, the Company and SVB entered into an amendment to the SVB Loan Agreement, modifying the quarterly financial covenants of the agreement. Pursuant to the amendment, commencing upon December 31, 2022, the Company is required to maintain, at all times, unrestricted and unencumbered cash and cash equivalents in an amount equal to the greater of (i) $50,000,000 and (ii) the Company’s six-month Cash Burn (as defined in the SVB Loan Agreement).

Amortization of debt discount under the SVB Loan Agreement totaled $60,000 and $18,000 for the three months ended March 31, 2023 and 2022. Commitment fees under the revolving facility were immaterial.

The Company’s scheduled principal payments for debt at March 31, 2023 were as follows (in thousands):

Remainder of 2023	$	—
2024		9,167
2025		10,000
2026		10,000
2027		833
Total	$	30,000

9.Stockholders’ Equity

Equity Financings

Common Stock Offering

There were no equity financings during the three months ended March 31, 2023 and 2022.

ATM Facility

In August 2020, the Company entered into an at-the-market facility (the ATM Facility) with Cantor Fitzgerald & Co (Cantor). Pursuant to the ATM Facility, the Company may, at its option, offer and sell shares of its common stock from time to time, through or to Cantor, acting as sales agent. The Company will pay Cantor a commission of 3.0% of the gross proceeds from any future sales of such shares.

During the three months ended March 31, 2023 and 2022, the Company did not sell any shares of its common stock under the ATM Facility.

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Warrants to Purchase Common Shares

The following table provides a reconciliation of fixed price warrants to purchase shares of the Company’s common stock for the three months ended March 31, 2023 and 2022:

	Three Months Ended March 31,
	2023				2022
			Weighted				Weighted
			Average				Average
	Number of		Exercise		Number of		Exercise
	Warrants		Price		Warrants		Price
Balance at beginning of period		48,683	$	12.33		48,683	$	12.33
Balance and exercisable at end of period		48,683	$	12.33		48,683	$	12.33

Pursuant to a credit agreement, the Company issued a warrant to SWK Funding LLC to purchase (i) 40,910 shares of the Company’s common stock on March 28, 2018 at an exercise price of $11.00 per share with a seven-year term and (ii) 7,773 shares of the Company’s common stock on June 26, 2018 at an exercise price of $19.30 per share with a seven-year term. At March 31, 2023, the weighted average remaining life of the warrant was approximately 2.03 years.

10.Share-Based Payment Awards

Equity Incentive Plan

The 2016 Long-Term Incentive Plan (the 2016 Plan), approved by the Company’s stockholders on December 12, 2016 provided for the issuance of up to 300,000 shares of the Company’s common stock plus any additional shares of the Company’s common stock that were available for grant under the 2008 Incentive Plan (the 2008 Plan). Stockholders approved amendments to the 2016 Plan on June 25, 2019, June 22, 2021, and November 10, 2022, respectively, which increased the number of shares authorized for issuance by 1,100,000, 2,500,000, and 2,000,000 shares, respectively. At March 31, 2023, a total of approximately 156,000 shares were available for new awards.

Starting March 2022, the Company also granted non-statutory stock options to new employees as inducement awards to enter into employment with the Company. The grants were approved by the Compensation Committee of the Board of Directors and awarded in accordance with Nasdaq Listing Rule 5635(c)(4). Although not awarded under the 2016 Plan or the 2008 Plan, the grants are subject to and governed by the terms and conditions of the 2016 Plan.

Stock Options

The following table provides a reconciliation of stock option activity under the Company’s equity incentive plans and for inducement awards for the three months ended March 31, 2023:

	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
						(in years)		(in thousands)
Outstanding at January 1, 2023		4,082,555		$	13.79
Granted		2,003,895			3.27
Exercised		—			—
Forfeited		(17,354	)		9.04
Expired		—			—
Outstanding at March 31, 2023		6,069,096		$	10.33		8.33	$	6
Exercisable at March 31, 2023		2,075,691		$	16.73		6.63	$	—

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The Company has granted stock options with 25% of the option vesting after one year followed by ratable monthly vesting over the remaining three years. Nonemployee awards are granted similar to the Company’s employee awards. All option grants have a 10-year term. Options to purchase a total of 509,000 shares of the Company’s common stock vested during the three months ended March 31, 2023. Starting February 2021, the Company (i) ceased vesting ratable monthly over four years and (ii) retained 25% vesting after one year followed by ratable monthly vesting over the remaining three years.

In determining the grant date fair value of option awards during the three months ended March 31, 2023, the Company applied the Black-Scholes option pricing model based on the following key assumptions:

Option life (in years)	6.08
Stock volatility	78% - 79%
Risk-free interest rate	3.54% - 3.95%
Expected dividends	0.0%

The following table summarizes information about employee, non-executive director and external consultant stock options for the three months ended March 31, 2023 (in thousands except per share amount):

	Three Months
	Ended
	March 31, 2023
Weighted average grant date fair value per share	$	2.28
Total cash received from exercise of stock options		—
Total intrinsic value of stock options exercised		—

Time-Vested Restricted Stock Units

Time-vested restricted stock units (RSUs) issued to date under the 2016 Plan generally vest on a ratable annual basis over 3 years. The related stock-based compensation expense is recorded over the requisite service period, which is the vesting period. The fair value of all time-vested RSUs is based on the closing share price of the Company’s common stock on the date of grant.

The following table provides a reconciliation of RSU activity under the 2016 Plan for the three months ended March 31, 2023:

	Number of Restricted Stock Units			Weighted Average Grant Date Fair Value
Nonvested at January 1, 2023		509,170		$	10.81
Granted		—			—
Vested		(196,102	)		11.12
Forfeited		(2,051	)		10.74
Nonvested at March 31, 2023		311,017		$	10.62

At March 31, 2023, the weighted average remaining vesting term of the RSUs was 1.36 years.

Employee Stock Purchase Plan

On June 25, 2019, the Company’s stockholders approved the adoption of the EyePoint Pharmaceuticals, Inc. 2019 Employee Stock Purchase Plan (the ESPP) and authorized up to 110,000 shares of common stock reserved for issuance to participating employees. At the Company’s Annual Meeting of Stockholders held on June 22, 2021, the Company’s stockholders approved an amendment to the ESPP to increase the number of shares authorized for issuance by 250,000 shares. The ESPP allows qualified participants to purchase the Company’s common stock twice a year at 85% of the lesser of the average of the high and low sales price of the Company’s common stock on (i) the first trading day of the relevant offering period and (ii) the last trading day of the relevant offering period. The number of shares of the Company’s common stock each employee may purchase under this plan, when combined with all other employee stock purchase plans, is limited to the lower of an aggregate fair market value of $25,000 during each calendar year, or 5,000 shares of the Company’s common stock in any one offering period. The Company has maintained consecutive six-month offering periods since August 1, 2019. During the three-month period ended March 31, 2023, 63,721 shares of the Company’s common stock were issued pursuant to the ESPP.

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The Company estimated the fair value of the option component of the ESPP shares at the date of grant using a Black-Scholes valuation model. During the three months ended March 31, 2023 and 2022, the compensation expense from ESPP shares was approximately $47,000 and $33,000.

Stock-Based Compensation Expense

The Company’s condensed consolidated statements of comprehensive loss included total compensation expense from stock-based payment awards for the three months ended March 31, 2023 and 2022, respectively, as follows (in thousands):

	Three Months Ended March 31,
	2023		2022
Compensation expense included in:
Research and development	$	1,240	$	1,473
Sales and marketing		430		409
General and administrative		1,380		1,595
	$	3,050	$	3,477

At March 31, 2023, there was approximately $11.9 million of unrecognized compensation expense related to outstanding equity awards under the 2016 Plan, the 2008 Plan, the inducement awards and the ESPP that is expected to be recognized as expense over a weighted average period of approximately 1.7 years.

11.License and Asset Purchase Agreements

Equinox Science, LLC

In February 2020, the Company entered into an Exclusive License Agreement (the Equinox License Agreement) with Equinox, pursuant to which Equinox granted the Company an exclusive, sublicensable, royalty-bearing right and license to certain patents and other Equinox intellectual property to research, develop, make, have made, use, sell, offer for sale and import the compound vorolanib and any pharmaceutical products comprising the compound for local delivery to the eye for the prevention or treatment of age-related macular degeneration, diabetic retinopathy and retinal vein occlusion using the Company’s proprietary localized delivery technologies (the Original Field), in each case, throughout the world except China, Hong Kong, Taiwan and Macau (the Company Territory).

In consideration for the rights granted by Equinox, the Company (i) made a one time, non-refundable, non-creditable upfront cash payment of $1.0 million to Equinox in February 2020, and (ii) agreed to pay milestone payments totaling up to $50 million upon the achievement of certain development and regulatory milestones, consisting of (a) completion of a Phase II clinical trial for the compound or a licensed product, (b) the filing of a new drug application or foreign equivalent for the compound or a licensed product in the United States, European Union or United Kingdom and (c) regulatory approval of the compound or a licensed product in the United States, European Union or United Kingdom.

The Company also agreed to pay Equinox tiered royalties based upon annual net sales of licensed products in the Company Territory. The royalties are payable with respect to a licensed product in a particular country in the Company Territory on a country-by-country and licensed product-by-licensed product basis until the later of (i) twelve years after the first commercial sale of such licensed product in such country and (ii) the first day of the month following the month in which a generic product corresponding to such licensed product is launched in such country. The royalty rates range from the high-single digits to low-double digits depending on the level of annual net sales. The royalty rates are subject to reduction during certain periods when there is no valid patent claim that covers a licensed product in a particular country.

On May 2, 2022, concurrent with the Company entering into the Betta License Agreement, the Company entered into Amendment #1 to the Equinox License Agreement, pursuant to which the Original Field was expanded to cover the prevention or treatment of ophthalmology indications using the Company’s proprietary localized delivery technologies and certain conforming changes were made to the Equinox License Agreement in connection therewith.

No R&D expense was recorded for the three months ended March 31, 2023 and 2022 related to this agreement, as no milestones were achieved.

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12.Fair Value Measurements

The following tables summarize the Company’s assets by significant categories carried at fair value measured on a recurring basis at March 31, 2023 and December 31, 2022 by valuation hierarchy (in thousands):

	March 31, 2023
	Carrying Value		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cash Equivalents		Marketable Securities
Level 1:
Money market funds	$	99,794	$	—	$	—	$	99,794	$	99,794	$	—
Subtotal	$	99,794	$	—	$	—	$	99,794	$	99,794	$	—
Level 2:
Commercial paper	$	2,783	$	—	$	—	$	2,783	$	—	$	2,783
U.S. treasury securities		13,933		2		—		13,935		—		13,935
Subtotal	$	16,716	$	2	$	—	$	16,718	$	—	$	16,718
Total	$	116,510	$	2	$	—	$	116,512	$	99,794	$	16,718

	December 31, 2022
	Carrying Value		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash Equivalents		Marketable Securities
Level 1:
Money market funds	$	77,191	$	—	$	—		$	77,191	$	77,191	$	—
Subtotal	$	77,191	$	—	$	—		$	77,191	$	77,191	$	—
Level 2:
Commercial paper	$	18,701	$	—	$	—		$	18,701	$	—	$	18,701
U.S. Treasury securities		35,266		—		(55	)		35,211		4,984		30,227
Subtotal	$	53,967	$	—	$	(55	)	$	53,912	$	4,984	$	48,928
Total	$	131,158	$	—	$	(55	)	$	131,103	$	82,175	$	48,928

At March 31, 2023 and December 31, 2022, a total of $99.8 million and $77.2 million, or 100% and 93.9% of the Company’s interest-bearing cash equivalent balances, respectively, were concentrated in one institutional money market fund that had investments consisting primarily of certificates of deposit, commercial paper, time deposits, Treasury repurchase agreements and U.S. Treasury securities. At March 31, 2023, the Company has no interest-bearing cash equivalent balance consisting of investment-grade U.S. Treasury securities. At December 31, 2022, a total of $5.0 million, or 6.1%, of the Company’s interest-bearing cash equivalent balances, respectively, consisted of investment-grade U.S. Treasury securities. Generally, these deposits may be redeemed upon demand and, therefore, the Company believes they have minimal risk. Marketable securities consist of investments with an original or remaining maturity of greater than three months but less than one year at the date of purchase. The Company had investments of $16.7 million and $48.9 million in marketable securities at March 31, 2023 and December 31, 2022, respectively.

The Company’s cash equivalents and marketable securities are classified within Level 1 or Level 2 on the basis of valuations using quoted market prices or alternative pricing sources and models utilizing market observable inputs, respectively. The marketable securities have been valued on the basis of valuations provided by third-party pricing services, as derived from such services’ pricing models. Inputs to the models may include, but are not limited to, reported trades, executable bid and ask prices, broker/dealer quotations, prices or yields of securities with similar characteristics, benchmark curves or information pertaining to the issuer, as well as industry and economic events. The pricing services may use a matrix approach, which considers information regarding securities with similar characteristics to determine the valuation for a security, and have been classified as Level 2.

The carrying amounts of accounts receivable, accounts payable and accrued expenses approximate fair value because of their short-term maturity.

The carrying amounts of the short-term borrowings and long-term debt under the Company’s SVB Loan Agreement approximate the estimated fair value. These borrowings under the Credit Facilities have a variable interest rate structure and are classified within Level 2 of the fair value hierarchy.

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13.Contingencies

Legal Proceedings

The Company is subject to various routine legal proceedings and claims incidental to its business, which management believes will not have a material effect on the Company’s financial position, results of operations or cash flows.

U.S. Department of Justice Subpoena

In August 2022, the Company received a subpoena from the U.S. Attorney’s Office for the District of Massachusetts seeking production of documents related to sales, marketing and promotional practices, including as pertain to DEXYCU® (DOJ Investigation). The Company is cooperating fully with the government in connection with this matter. At this time, the Company is unable to predict the duration, scope or outcome of this matter or whether it could have a material impact on the Company's financial condition, results of operation or cash flow.

14.Net Loss per Share

Basic net loss per share is computed by dividing the net loss by the weighted average number of common shares outstanding during the period. For periods in which the Company reports net income, diluted net income per share is determined by adding to the basic weighted average number of common shares outstanding the total number of dilutive common equivalent shares using the treasury stock method, unless the effect is anti-dilutive. Potentially dilutive shares were not included in the calculation of diluted net loss per share for each of the three months ended March 31, 2023 and 2022 as their inclusion would be anti-dilutive.

Potential common stock equivalents excluded from the calculation of diluted earnings per share because the effect would have been anti-dilutive were as follows:

	Three Months Ended March 31,
	2023		2022
Stock options		6,069,096		3,974,102
ESPP		19,539		7,964
Warrants		48,683		48,683
Restricted stock units		311,017		559,586
		6,448,335		4,590,335

15.Related Party Transactions

The Chief Executive Officer of the Company joined the Board of Directors of Altasciences Company Inc. (Altasciences) in April 2021. In May 2021, Altasciences acquired Calvert Laboratories, Inc. (Calvert Labs), an entity with which the Company conducts business. The Company recorded $377,000 and $427,000 of research and development expense in the accompanying condensed consolidated statements of operations and comprehensive loss related to preclinical and analytical services provided by Altasciences for the three months ended March 31, 2023 and 2022, respectively. Additionally, the Company recorded amounts payable of $304,000 and $201,000, and prepaid expenses of $721,000 and $752,000 in the accompanying condensed consolidated balance sheets related to services provided by Altasciences, as of March 31, 2023 and December 31, 2022, respectively.

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

Note Regarding Forward-Looking Statements

Various statements made in this Quarterly Report on Form 10-Q are forward-looking and involve risks and uncertainties. All statements that address activities, events or developments that we intend, expect or believe may occur in the future are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Such statements give our current expectations or forecasts of future events and are not statements of historical or current facts. These statements include, among others, statements about:

•the potential for EYP-1901, as an investigational sustained delivery intravitreal treatment deploying an erodible Durasert E insert of vorolanib, a selective and patented tyrosine kinase inhibitor (TKI) targeting wet age-related macular degeneration (wet AMD), non-proliferative diabetic retinopathy (NPDR) and Diabetic Macular Edema (DME);

•our expectations regarding the timing and outcome of our planned Phase 2 clinical trials for EYP-1901 for the treatment of wet AMD, and NPDR;

•our expectations regarding the timing and clinical development of our product candidates, including EYP-1901;

•the extent to which our business, the medical community and the global economy will continue to be materially and adversely impacted by the effects of the COVID-19 pandemic (the Pandemic), or by other pandemics, epidemics or outbreaks;

•our strategic alliances with other companies;

•our cash flow expectations from commercial sales of YUTIQ®;

•our ability to manufacture YUTIQ, EYP-1901 or any future products or product candidates, in sufficient quantities and quality;

•our belief that our cash, cash equivalents, and investments in marketable securities with First Citizens BancShares, Inc. (First Citizens), as successor to Silicon Valley Bank (SVB), of $122.5 million at March 31, 2023, and all amounts and anticipated net cash inflows from product sales will fund our operating plan into the second half of 2024, under current expectations regarding the timing and outcomes of our Phase 2 clinical trials for EYP-1901;

•our expectations regarding the cost and availability of credit that could be required in the event the Company’s existing funding under the existing Loan and Security Agreement with, initially with First Citizens (as successor to SVB), becomes unavailable;

•our ability to obtain additional capital in sufficient amounts and on terms acceptable to us, and the consequences of failing to do so;

•our future expenses and capital expenditures;

•our expectations regarding the timing and results of the subpoena from the U.S. Attorney’s Office for the District of Massachusetts seeking production of documents related to sales, marketing and promotional practices (DOJ Subpoena), including as pertain to DEXYCU;

•our expectations regarding our ability to obtain and adequately maintain sufficient intellectual property protection for EYP-1901 and YUTIQ and any future products or product candidates, and to avoid claims of infringement of third-party intellectual property rights;

•our expectation that we will continue to incur significant expenses and that our operating losses and our net cash outflows to fund operations will continue for the foreseeable future; and

•the effect of legal and regulatory developments.

Forward-looking statements also include statements other than statements of current or historical fact, including, without limitation, all statements related to any expectations of revenues, expenses, cash flows, earnings or losses from operations, cash required to maintain current and planned operations, capital or other financial items; any statements of the plans, strategies and objectives of management for future operations; any plans or expectations with respect to product research, development and commercialization, including regulatory approvals; any other statements of expectations, plans, intentions or beliefs; and any statements of assumptions underlying any of the foregoing. We often, although not always, identify forward-looking statements by using words or phrases such as “likely”, “expect”, “intend”, “anticipate”, “believe”, “estimate”, “plan”, “project”, “forecast” and “outlook”.

The following are some of the factors that could cause actual results to differ materially from the anticipated results or other expectations expressed, anticipated or implied in our forward-looking statements:

•the effectiveness and timeliness of our preclinical studies and clinical trials, and the usefulness of the data;

•our expectations regarding the timing and clinical development of our product candidates, including EYP-1901, and the potential for EYP-1901 as a sustained delivery treatment for serious eye diseases, including wet AMD, NPDR and DME;

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•our ability to achieve profitable operations and access to needed capital;

•fluctuations in our operating results;

•the duration, scope and outcome of any governmental inquiries or investigations;

•the extent to which the Pandemic impacts our business, the medical community and the global economy;

•our ability to successfully produce sufficient commercial quantities of YUTIQ and to grow YUTIQ revenue and market share in the U.S.;

•our ability to sustain and enhance an effective commercial infrastructure and enter into and maintain commercial agreements for the commercialization of YUTIQ;

•the success of current and future license and collaboration agreements, including our agreements with Ocumension Therapeutics (Ocumension), Equinox Science, LLC (Equinox) and Betta Pharmaceuticals Co., Ltd. (Betta);

•our dependence on contract research organizations, vendors and investigators;

•effects of competition and other developments affecting sales of products;

•market acceptance of our products;

•protection of intellectual property and avoiding intellectual property infringement;

•product liability; and

•other factors described in our filings with the SEC.

We cannot guarantee that the results and other expectations expressed, anticipated or implied in any forward-looking statement will be realized. The risks set forth under Item 1A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2022 describe major risks to our business, and you should read and interpret any forward-looking statements together with these risks. A variety of factors, including these risks, could cause our actual results and other expectations to differ materially from the anticipated results or other expectations expressed, anticipated or implied in our forward-looking statements. Should known or unknown risks materialize, or should underlying assumptions prove inaccurate, actual results could differ materially from past results and those anticipated, estimated or projected in the forward-looking statements. You should bear this in mind as you consider any forward-looking statements.

Our forward-looking statements speak only as of the dates on which they are made. We do not undertake any obligation to publicly update or revise our forward-looking statements even if experience or future changes makes it clear that any projected results expressed or implied in such statements will not be realized.

DEXYCU®, YUTIQ®, DURASERT® and DURASERT E™ are our trademarks. Retisert® and Vitrasert® are Bausch & Lomb’s trademarks. ILUVIEN® is Alimera Sciences Inc.’s trademark. Verisome® is a trademark owned by Ramscor, Inc. and exclusively licensed to us. The reports we file or furnish with the SEC, including this Quarterly Report on Form 10-Q, also contain trademarks, trade names and service marks of other companies, which are the property of their respective owners.

Our Business

Overview

We are a company committed to developing and commercializing innovative therapeutics to help improve the lives of patients with serious eye disorders. Our pipeline leverages our proprietary erodible DURASERT E™ technology for sustained intraocular drug delivery including EYP-1901, an investigational sustained delivery intravitreal anti-VEGF treatment currently in Phase 2 clinical trials for wet AMD, the leading cause of vision loss among people 50 years of age and older in the United States, and NPDR. We also commercialize YUTIQ®, a once every three-year treatment for posterior segment uveitis in the United States. DEXYCU®, a single-dose treatment for postoperative inflammation following ocular surgery, is also being sold in the United States, but no longer actively marketed in the United States due to loss of pass-through reimbursement by the Center for Medicare & Medicaid Services (CMS) as of January 1, 2023.

Recent Developments

•Customer demand for YUTIQ in Q1 2023, represented as units purchased by physicians from our distributors, was up 43% over Q1 2022, driven by underlying growth and demand from retinal specialists.

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R&D Highlights

•In March 2023, we completed enrollment in the Phase 2 "Durasert® and Vorolanib in Ophthalmology 2" (DAVIO 2) clinical trial evaluating EYP-1901 as a potential six-month maintenance treatment for wet age-related macular degeneration (wet AMD). The trial exceeded its original target of 144 patients, enrolling a total of 160 patients. All patients were previously treated with a standard-of-care anti-VEGF therapy and were randomly assigned to one of two doses of EYP-1901 or to an aflibercept on-label control.

•Phase 2 PAVIA clinical trial evaluating EYP-1901 in non-proliferative diabetic retinopathy (NPDR) enrollment completion is expected in 2Q 2023, versus 4Q 2023, due to accelerated enrollment and trial size reduction to a minimum of 60 patients based on body of evidence and proof of concept for vorolanib in DAVIO 1 and ongoing DAVIO 2 trial in wet AMD.

•In February 2023, we entered into a research collaboration with Rallybio to evaluate sustained delivery of their inhibitor of complement component 5 (C5) using our proprietary Durasert technology for sustained intraocular drug delivery. The initial focus will be on geographic atrophy, an advanced form of age-related macular degeneration that leads to irreversible vision loss.

Critical Accounting Policies and Estimates

The preparation of consolidated financial statements in conformity with GAAP requires that we make certain estimates, judgments and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. We base our estimates, judgments and assumptions on historical experience, anticipated results and trends, and on various other factors that we believe are reasonable under the circumstances at the time. By their nature, these estimates, judgments and assumptions are subject to an inherent degree of uncertainty. Actual results may differ from our estimates under different assumptions or conditions. In our Annual Report on Form 10-K for the fiscal year ended December 31, 2022, we set forth our critical accounting policies and estimates, which included revenue recognition, reserves for variable consideration associated with our commercial revenue and recognition of expense in outsourced clinical trial agreements. See Note 2 of the notes to our unaudited condensed consolidated financial statements contained in this quarterly report on Form 10-Q for a description of our accounting policies and estimates for reserves for variable consideration related to product sales.

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Results of Operations

Three Months Ended March 31, 2023 Compared to Three Months Ended March 31, 2022:

	Three Months Ended
	March 31,						Change
	2023			2022			Amounts			%
Revenues:
Product sales, net	$	7,394		$	9,010		$	(1,616	)		-18	%
License and collaboration agreements		34			59			(25	)		-42	%
Royalty income		255			225			30			13	%
Total revenues		7,683			9,294			(1,611	)		-17	%
Operating expenses:
Cost of sales, excluding amortization of acquired intangible assets		640			1,777			(1,137	)		-64	%
Research and development		13,618			9,945			3,673			37	%
Sales and marketing		5,737			6,693			(956	)		-14	%
General and administrative		9,242			8,548			694			8	%
Amortization of acquired intangible assets		—			615			(615	)		-100	%
Total operating expenses		29,237			27,578			1,659			6	%
Loss from operations		(21,554	)		(18,284	)		(3,270	)		18	%
Other income (expense):
Interest and other income, net		1,202			61			1,141			1870	%
Interest expense		(812	)		(1,194	)		382			-32	%
Loss on extinguishment of debt		—			(1,559	)		1,559			100	%
Total other income (expense), net		390			(2,692	)		3,082			-114	%
Net loss	$	(21,164	)	$	(20,976	)	$	(188	)		1	%
Net loss per share - basic and diluted	$	(0.56	)	$	(0.56	)	$	(0.00	)		0	%
Weighted average shares outstanding - basic and diluted		37,486			37,253			233			1	%
Net loss	$	(21,164	)	$	(20,976	)	$	(188	)		1	%

Product Sales, Net

Product sales, net represents the gross sales of YUTIQ and DEXYCU less provisions for product sales allowances. Product sales, net decreased by $1.6 million, or 18%, to $7.4 million for the three months ended March 31, 2023 compared to $9.0 million for the three months ended March 31, 2022. This decrease was driven by a significant reduction in DEXYCU sales due to the loss of pass-through reimbursement as of January 1, 2023.

Customer demand has a direct impact on product orders from our specialty distributors that we record as net product sales. Net product revenue represents product purchased by our distributors whereas customer demand represents purchases of product by physician practices and ASCs from our specialty distributors.

License and Collaboration Agreement

License and collaboration agreement revenues decreased by $25,000, or 42%, to $34,000 for the three months ended March 31, 2023 compared to $59,000 for the three months ended March 31, 2022.

Royalty Income

Royalty income increased by $30,000, or 13%, to $255,000 for the three months ended March 31, 2023 compared to $225,000 for the three months ended March 31, 2022. The increase was attributable to higher non-cash Alimera royalties payable to SWK.

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Cost of Sales, Excluding Amortization of Acquired Intangible Assets

Cost of sales, excluding amortization of acquired intangible assets, decreased by $1.1 million, or 64%, to $640,000 for the three months ended March 31, 2023 from $1.8 million for the three months ended March 31, 2022. This decrease was primarily attributable to reduced revenue and associated costs for costs of goods, royalties, and distribution fees.

Research and Development

Research and development expenses increased by $3.7 million, or 37%, to $13.6 million for the three months ended March 31, 2023 from $9.9 million for the same period in the prior year. This increase was attributable primarily to (i) $3.1 million in increased clinical trial costs, primarily related to the continuation of our Phase 2 DAVIO2 and PAVIA clinical trials and (ii) $672,000 of personnel related costs for investment in new employees across the research and clinical organizations, including a decrease of $233,000 of stock based compensation. These increases were partially offset by a decrease of $145,000 in other expenses.

Sales and Marketing

Sales and marketing expenses decreased by $1.0 million, or 14%, to $5.7 million for the three months ended March 31, 2023 from $6.7 million for the same period in the prior year. This decrease was primarily attributable to lower DEXYCU promotional activities, including (i) a $1.3 million decrease of DEXYCU commissions, (ii) a $160,000 decrease in DEXYCU marketing and promotional expense, (iii) a $106,000 decrease in other marketing and related expenses not specific to DEXYCU. These decreases were partially offset by $648,000 of higher personnel costs related to investment in the YUTIQ commercial organization, including $22,000 of stock-based compensation.

General and Administrative

General and administrative expenses increased by $694,000, or 8%, to $9.2 million for the three months ended March 31, 2023 from $8.5 million for the same period in the prior year. This increase was attributable primarily to a $785,000 increase in professional fees, partially offset by a $101,000 decrease in personnel and other general and administrative expenses, including a decrease of $214,000 in stock-based compensation.

Amortization of Acquired Intangible Assets

Amortization of acquired intangible assets totaled $615,000 for the three months ended March 31, 2022. This amount was attributable to the DEXYCU product intangible asset that resulted from the Icon Acquisition. There was no amortization for the three months ended March 31, 2023 due to the write-off of the DEXYCU intangible asset in Q4 2022.

Interest (Expense) Income

Interest expense totaled $812,000 for the three months ended March 31, 2023. We incurred lower interest expense due to the conversion of debt from the CRG Loan to the SVB Loan in March 2022, which carries a lower interest rate. Interest expense in the three months ended March 31, 2022 was $1.2 million.

Interest income from investments in marketable securities and institutional money market funds increased to $1.2 million for the three months ended March 31, 2023 compared to $61,000 in the prior year quarter, due primarily to an increase in cash invested in marketable securities in the current calendar quarter.

Liquidity and Capital Resources

We have had a history of operating losses and an absence of significant recurring cash inflows from revenue, and at March 31, 2023 we had a total accumulated deficit of $692.5 million. Our operations have been financed primarily from sales of our equity securities, issuance of debt and a combination of license fees, milestone payments, royalty income and other fees received from collaboration partners. In the first quarter of 2019, we commenced the U.S. launch of our first two commercial products, YUTIQ and DEXYCU. However, we have not received sufficient revenues from our product sales to fund operations and we do not expect revenues from our product sales to generate sufficient funding to sustain our operations in the near-term.

Financing Activities

During the three months ended March 31, 2023, we reduced the borrowings on our revolving credit facility by $5.2 million due to lower receivables related to reduced DEXYCU revenues.

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On March 9, 2022 (the SVB Closing Date), we entered into a loan and security agreement (the SVB Loan Agreement) with Silicon Valley Bank (SVB) providing for (i) a senior secured term loan facility of $30.0 million (the Term Facility) and (ii) a senior secured revolving credit facility of up to $15.0 million (the Revolving Facility and together with the Term Facility, the Credit Facilities). The maximum amount available for borrowing at any time under the Revolving Facility is limited to a borrowing base valuation of our eligible accounts receivable. On the SVB Closing Date, $30.0 million of the Term Facility and $11.5 million of the Revolving Facility, were advanced, to pay off the CRG Loan, including the accrued interest through that date. We utilized the proceeds from the Credit Facilities, together with cash on hand, for the repayment in full of all outstanding obligations under our term loan agreement with CRG Servicing LLC.

The loans under the Credit Facilities are due and payable on January 1, 2027 (the SVB Maturity Date). The Credit Facilities bear interest that is payable monthly in arrears at a per annum rate (subject to increase during an event of default) equal to (i) with respect to the Term Facility, the greater of (x) the Wall Street Journal prime rate plus 2.25% and (y) 5.50% and (ii) with respect to the Revolving Facility, the Wall Street Journal Prime Rate. An unused commitment fee of 0.25% per annum applies to unutilized borrowing capacity under the Revolving Facility. Commencing on February 1, 2024, we are required to repay the principal of the Term Facility in 36 consecutive equal monthly installments. At maturity or if earlier prepaid, we will also be required to pay an exit fee equal to 2.00% of the aggregate principal amount of the Term Facility.

The repayment of all unpaid principal and accrued interest under the Credit Facilities may be accelerated upon consummation of a specified change of control transaction or the occurrence of certain other events of default (as specified in the SVB Loan Agreement). Subject to certain exceptions, we are also required to make mandatory prepayments of outstanding loans under the Credit Facilities with the proceeds of asset sales and insurance proceeds, which amounts in the case of the Revolving Facility, subject to the conditions set forth in the SVB Loan Agreement, may be re-borrowed. In addition, we may make a voluntary prepayment of the SVB Loan, in whole but not in part, at any time. All mandatory and voluntary prepayments of the Term Facility are subject to the payment of prepayment premiums as follows: (i) if prepayment occurs on or prior to March 9, 2023, 3% of the aggregate outstanding principal amount of the Term Facility being prepaid, (ii) if prepayment occurs after March 9, 2023 but on or prior to March 9, 2024, an amount equal to 2% of the aggregate outstanding principal amount of the Term Facility being prepaid, (iii) if prepayment occurs after March 9, 2024 but on or prior to March 9, 2025, an amount equal to 1% of the aggregate outstanding principal amount of the Term Facility being prepaid, and (iv) if prepayment occurs after March 9, 2025 but prior to January 1, 2027, an amount equal to 0.5% of the aggregate outstanding principal amount of the Term Facility being prepaid. The prepayment of the Term Facility in full is also subject to the payment of an exit fee of $600,000. We may voluntarily terminate the Revolving Facility at any time, subject to the payment of a termination fee as follows: (i) if such termination occurs on or prior to March 9, 2023, an amount equal to 3.0% of the Revolving Facility and (ii) if such termination occurs after March 9, 2023, 1.0% of the Revolving Facility.

Certain of our future subsidiaries will be required to become co-borrowers under the SVB Loan Agreement or guarantee the obligations of ours under the SVB Loan Agreement. Our obligations under the SVB Loan Agreement and the guarantee of such obligations are secured by a pledge of substantially all of our and such subsidiaries’ assets, excluding intellectual property.

The SVB Loan Agreement contains affirmative and negative covenants customary for financings of this type, including limitations on our subsidiaries’ abilities, among other things, to incur additional debt, grant or permit additional liens, make investments and acquisitions, merge or consolidate with others, dispose of assets, pay dividends and distributions, enter into affiliate transactions and change our line of business, in each case, subject to certain exceptions. On March 7, 2023, the Company and SVB entered into an amendment to the SVB Loan Agreement, modifying the quarterly financial covenants of the agreement. Pursuant to the amendment, commencing upon December 31, 2022, the Company is required to maintain, at all times, unrestricted and unencumbered cash and cash equivalents in an amount equal to the greater of (i) $50,000,000 and (ii) the Company’s six-month Cash Burn (as defined in the SVB Loan Agreement).

Future Funding Requirements

At March 31, 2023, we had cash, cash equivalents, and investments in marketable securities of $122.5 million. We expect that our cash and cash equivalents and investments in marketable securities combined with anticipated net cash inflows from net product sales will fund our operating plan into the second half of 2024, under current expectations regarding the timing and outcomes of our Phase 2 clinical trials for EYP-1901. Due to the difficulty and uncertainty associated with the design and implementation of clinical trials, we will continue to assess our cash and cash equivalents and future funding requirements. However, there is no assurance that additional funding will be achieved and that we will succeed in our future operations.

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Actual cash requirements could differ from management’s projections due to many factors, including cash generation from sales of YUTIQ, additional investments in research and development programs, clinical trial expenses for EYP-1901, competing technological and market developments and the costs of any strategic acquisitions and/or development of complementary business opportunities. In addition, the Pandemic has had, and may continue to have, a material and adverse impact on our business, including as a result of preventive and precautionary measures that we, other businesses, and governments are taking. Going forward, the duration and full extent to which the Pandemic impacts the Company’s business, revenues, financial condition and cash flows depend on future developments that are highly uncertain, subject to change and are difficult to predict, including new information that may emerge concerning the Pandemic, and may cause intermittent or prolonged periods of reduced patient services at the Company’s customers’ facilities, which may negatively affect customer demand. The Company’s revenues, financial condition and cash flows may be adversely affected in the future as well. The Company is continuously monitoring the Pandemic and its potential effect on the Company’s financial position, results of operations and cash flows. Although the U.S. government has announced its intention to terminate the public health crisis associated with the Pandemic as of May 2023, there remains an uncertainty about the potential future impact of the Pandemic on the Company’s business.

The amount of additional capital we will require will be influenced by many factors, including, but not limited to:

1.the potential for EYP-1901, as a sustained delivery intravitreal anti-VEGF treatment for wet AMD, NPDR, and DME;

2.our expectations regarding the timing and clinical development of our product candidates, including EYP-1901;

3.the duration, scope and outcome of the DOJ Investigation and its impact on our financial condition, results of operations or cash flows;

4.our ability to sustain and enhance an effective commercial infrastructure and enter into and maintain commercial agreements for the commercialization of YUTIQ;

5.the cost of commercialization activities for YUTIQ, including product manufacturing, marketing, sales and distribution;

6.whether and to what extent we internally fund, whether and when we initiate, and how we conduct additional pipeline product development programs;

7.payments we receive under any new collaboration agreements;

8.whether and when we are able to enter into strategic arrangements for our products or product candidates and the nature of those arrangements;

9.the costs involved in preparing, filing, prosecuting, maintaining, defending and enforcing any patent claims;

10.changes in our operating plan, resulting in increases or decreases in our need for capital;

11.our views on the availability, timing and desirability of raising capital; and

12.the extent to which our business could be adversely impacted by the effects of the Pandemic or by other pandemics, epidemics or outbreaks.

We do not know if additional capital will be available when needed or on terms favorable to us or our stockholders. Collaboration, licensing or other agreements may not be available on favorable terms, or at all. We do not know the extent to which we will receive funds from the commercialization of YUTIQ. If we seek to sell our equity securities, we do not know whether and to what extent we will be able to do so, or on what terms. If available, additional equity financing may be dilutive to stockholders, debt financing may involve restrictive covenants or other unfavorable terms and dilute our existing stockholders’ equity, and funding through collaboration, licensing or other commercial agreements may be on unfavorable terms, including requiring us to relinquish rights to certain of our technologies or products. If adequate financing is not available if and when needed, we may delay, reduce the scope of, or eliminate research or development programs, independent commercialization of YUTIQ, or other new products, if any, postpone or cancel the pursuit of product candidates, or otherwise significantly curtail our operations to reduce our cash requirements and extend our capital.

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Our consolidated statements of historical cash flows are summarized as follows (in thousands):

	Three Months Ended
	March 31,
	2023			2022			Change
Cash flows from operating activities:
Net loss	$	(21,164	)	$	(20,976	)	$	(188	)
Changes in operating assets and liabilities		1,418			(5,024	)		6,442
Other adjustments to reconcile net loss to cash flows from    operating activities:		2,911			5,842			(2,931	)
Net cash used in operating activities	$	(16,835	)	$	(20,158	)	$	3,323
Net cash (used in) provided by investing activities	$	32,086		$	(56,442	)	$	88,528
Net cash used in financing activities	$	(5,119	)	$	(448	)	$	(4,671	)

Operating cash outflows for the three months ended March 31, 2023 totaled $16.8 million, primarily due to our net loss of $21.2 million, reduced by $2.9 million of non-cash expenses, which included $3.1 million of stock-based compensation, and $105,000 for depreciation of property and equipment, partially offset by $244,000 for the amortization of debt discount and premium and discount on available-for-sale marketable securities. Net loss was also reduced for changes in operating assets and liabilities of $1.4 million primarily due to lower accounts receivable.

Operating cash outflows for the three months ended March 31, 2022 totaled $20.2 million, primarily due to our net loss of $21.0 million, reduced by $5.8 million of non-cash expenses, which included $3.5 million of stock-based compensation, $1.6 million of loss on extinguishment of debt, $615,000 of amortization of the DEXYCU finite-lived intangible asset, and $110,000 of amortization of debt discount and premium and discount on available-for-sale marketable securities, partially offset by $2.9 million of accounts receivable and other assets and $2.1 million of accounts payable and accrued expenses.

For the three months ended March 31, 2023, $32.6 million of net cash was provided by the sales of marketable securities, and $484,000 was used for the purchase of property and equipment.

For the three months ended March 31, 2022, $56.3 million of net cash was used to purchase marketable securities, as well as $149,000 for the purchase of property and equipment.

Net cash used in financing activities for the three months ended March 31, 2023 totaled $5.1 million and consisted of the following:

(i)$5.2 million used by lower borrowings of the revolving facility.

(ii)$79,000 net proceeds primarily from the exercise of stock options

Net cash used in financing activities for the three months ended March 31, 2022 totaled $448,000 and consisted of the following:

(i)$38.2 million used to pay off the CRG loan;

(ii)$2.3 million used to extinguish debt costs related to the CRG loan;

(iii)$30.0 million of proceeds from the issuance for long-term debt related to the SVB loan;

(iv)$10.5 million of net proceeds from the revolving facility.

29

Item 3. Quantitative and Qualitative Disclosures about Market Risk

We are a smaller reporting company as defined by Rule 12b-2 of the Securities Exchange Act of 1934, as amended, and are not required to provide the information under this item.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our principal executive officer and principal financial officer, evaluated the effectiveness of our disclosure controls and procedures as of March 31, 2023. The term "disclosure controls and procedures," as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, means controls and other procedures of an issuer that are designed to ensure that information required to be disclosed by the issuer in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Commission's rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by an issuer in the reports that it files or submits under the Exchange Act is accumulated and communicated to the issuer's management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure, particularly during the period in which this Quarterly Report on Form 10-Q was being prepared.

Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving its desired objectives, and our management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as of March 31, 2023, our principal executive officer and principal financial officer concluded that, as of such date, our disclosure controls and procedures were effective at the reasonable assurance level.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting during the quarter ended March 31, 2023 covered by this Quarterly Report on Form 10-Q that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

30

PART II: OTHER INFORMATION

Item 1. Legal Proceedings

We are subject to various routine legal proceedings and claims incidental to our business, which management believes will not have a material effect on our financial position, results of operations or cash flows.

We previously disclosed that in August 2022, we received a subpoena from the U.S. Attorney’s Office for the District of Massachusetts seeking production of documents related to sales, marketing and promotional practices, including as pertain to DEXYCU®. We are cooperating fully with the government in connection with this matter. At this time, we are unable to predict the duration, scope or outcome of this matter or whether it could have a material impact on our financial condition, results of operation or cash flow.

Item 1A. Risk Factors

This section augments and updates certain risk factors disclosed in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2022 (the Annual Report). The following risk factor should be read together with the other risk factors disclosed in the Annual Report. In addition to the other information in this Quarterly Report on Form 10-Q, all of the risk factors should be carefully considered in evaluating us and our common stock. Any of these risks, many of which are beyond our control, could materially and adversely affect our financial condition, results of operations or cash flows, or cause our actual results to differ materially from those projected in any forward-looking statements. We may also face other risks and uncertainties that are not presently known, are not currently believed to be material, or are not identified below because they are common to all businesses. Past financial performance may not be a reliable indicator of future performance, and historical trends should not be used to anticipate results or trends in future periods. For more information, see “Note Regarding Forward-Looking Statements” in this Quarterly Report on Form 10-Q.

The Company’s ability to access credit on favorable terms, if necessary, for the funding of the Company’s operations and capital projects may be limited due to changes in credit markets.

The Company is party to a Loan and Security Agreement (the Loan and Security Agreement) with First-Citizens Bank & Trust Company (as successor to Silicon Valley Bank). The Loan and Security Agreement provides for (i) a senior secured term loan facility of $30.0 million (the Term Facility) and (ii) a senior secured revolving credit facility of up to $15.0 million (the Revolving Facility and together with the Term Facility, the Credit Facilities). A future violation of any of the covenants in the credit facilities could result in a default under the Loan and Security Agreement that would permit First-Citizens Bank & Trust Company to restrict the Company’s ability to further access the Revolving Line of Credit for loans and letters of credit and require the immediate repayment of any outstanding loans under the agreement. Additionally, the credit markets and the financial services industry have been experiencing disruption characterized by the bankruptcy, failure, collapse or sale of various financial institutions, increased volatility in securities prices, diminished liquidity and credit availability and intervention from the U.S. and other governments. Continued concerns about the systemic impact of potential long-term or widespread downturn, energy costs, geopolitical issues, the availability and cost of credit, the global commercial and residential real estate markets and related mortgage markets and reduced consumer confidence have contributed to increased market volatility. The cost and availability of credit has been and may continue to be adversely affected by these conditions. The Company cannot be certain that funding under the revolving credit facility will be available from the Company’s existing financial institutions and the credit markets if needed, and if available, to the extent required and on acceptable terms. If the Company cannot renew or refinance this facility or obtain funding when needed, in each case on acceptable terms, such conditions may have an adverse effect on the Company’s revenues and results of operations.

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

None.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

None.

31

Item 5. Other Information

None.

32

Item 6. Exhibits

		Incorporated by Reference to SEC Filing
Exhibit No.	Exhibit Description	Form	SEC Filing Date	Exhibit No.
3.1	Certificate of Incorporation of pSivida Corp.	8-K12G3	06/19/08	3.1
3.2	Certificate of Amendment of the Certificate of Incorporation of pSivida Corp.	10-K	09/13/17	3.2
3.3	Certificate of Correction to Certificate of Amendment of the Certificate of Incorporation of pSivida Corp.	8-K	04/02/18	3.1
3.4	Certificate of Amendment of Certificate of Incorporation, as amended, of EyePoint Pharmaceuticals, Inc.	8-K	06/27/18	3.1
3.5	By-Laws of EyePoint Pharmaceuticals, Inc.	10-K	09/18/18	3.5
3.6	Amendment No. 1 to the By-Laws of EyePoint Pharmaceuticals, Inc.	8-K	11/06/18	3.1
3.7	Certificate of Amendment of the Certificate of Incorporation, as amended, of EyePoint Pharmaceuticals, Inc.	8-K	06/23/20	3.1
3.8	Certificate of Amendment of the Certificate of Incorporation, as amended, of EyePoint Pharmaceuticals, Inc.	8-K	12/08/20	3.1
4.1	Form of Specimen Stock Certificate for Common Stock	8-K12G3	06/19/08	4.1
4.2	Warrant to Purchase Common Stock of pSivida Corp., issued March 28, 2018, to SWK Funding, LLC	8-K	03/29/18	4.1
4.3	Registration Rights Agreement, dated as of March 28, 2018, by and among pSivida Corp. and EW Healthcare Partners, L.P. and EW Healthcare Partners-A, L.P.	8-K	03/29/18	10.3
4.4	Second Registration Rights Agreement, dated as of June 25, 2018, by and among EyePoint Pharmaceuticals, Inc. and EW Healthcare Partners, L.P. and EW Healthcare Partners-A, L.P. and each other person identified on the signature pages thereto	8-K	06/27/18	10.1
4.5	Form of Pre-Funded Warrant to Purchase Common Stock	8-K	11/19/21	4.1
10.1	First Amendment to Employment Letter Agreement, dated January 3, 2023, by and between EyePoint Pharmaceuticals, Inc. and Nancy Lurker	8-K	01/06/23	10.2
10.2	First Amendment to Employment Agreement, dated January 3, 2023, by and between EyePoint Pharmaceuticals, Inc. and Jay S. Duker	8-K	01/06/23	10.1
10.3	Amended and Restated Employment Agreement, dated January 3, 2023, by and between EyePoint Pharmaceuticals, Inc. and George O. Elston	8-K	01/06/23	10.3
10.4	Amended and Restated Employment Agreement, dated January 3, 2023, by and between EyePoint Pharmaceuticals, Inc. and Scott Jones	8-K	01/06/23	10.4
10.5	Amended and Restated Employment Agreement, dated January 3, 2023, by and between EyePoint Pharmaceuticals, Inc. and Michael C. Pine	10-K	03/10/23	10.19
10.6	Amended and Restated Employment Agreement, dated January 3, 2023, by and between EyePoint Pharmaceuticals, Inc. and Dario Paggiarino	10-K	03/10/23	10.14
10.7	Form of Indemnification Agreement between EyePoint Pharmaceuticals, Inc. and its officers and directors	10-K	03/10/23	10.20
10.8#	Lease Agreement, dated January 23, 2023, between V.E. Properties IX, LLC and EyePoint Pharmaceuticals, Inc.	10-K	03/10/23	10.26

33

10.9#	Third Amendment to Loan and Security Agreement, dated March 7, 2023, by and among EyePoint Pharmaceuticals, Inc., EyePoint Pharmaceuticals US, Inc., Icon Bioscience, Inc. and Silicon Valley Bank	10-K	03/10/23	10.41
31.1*	Certification of Principal Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Certification of Principal Financial Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended, 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	Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because 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 (embedded within the inline XBRL document and included in Exhibit 101)

# Portions of this exhibit have been omitted in compliance with Item 601(b)(10) of Regulation S-K. The Company agrees to furnish a supplemental copy of the exhibit or any omitted schedule or similar attachment to the Securities and Exchange Commission upon request.

* Filed herewith

** Furnished herewith

34

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.

	EyePoint Pharmaceuticals, Inc.
Date: May 4, 2023	By:	/s/ Nancy Lurker
	Name:	Nancy Lurker
	Title:	Chief Executive Officer (Principal Executive Officer)

Date: May 4, 2023	By:	/s/ George O. Elston
	Name:	George O. Elston
	Title:	Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)

35

EX-31

Exhibit 31.1

Certification of Principal Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended.

CERTIFICATIONS

I, Nancy Lurker, certify that:

1.I have reviewed this quarterly report on Form 10-Q of EyePoint Pharmaceuticals, 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 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 and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

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

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

Date: May 4, 2023

/s/ Nancy Lurker

Name: Nancy Lurker

Title: Chief Executive Officer (Principal Executive Officer)

EX-31

Exhibit 31.2

Certification of Principal Financial Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended.

CERTIFICATIONS

I, George O. Elston, certify that:

1.I have reviewed this quarterly report on Form 10-Q of EyePoint Pharmaceuticals, 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 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 and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

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

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

Date: May 4, 2023

/s/ George O. Elston

Name: George O. Elston

Title: Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)

EX-32

Exhibit 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.

In connection with the Quarterly Report of EyePoint Pharmaceuticals, Inc. (the “Company”) on Form 10-Q for the quarter ended March 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Nancy Lurker, Chief Executive Officer of the Company, certify that to the best of my knowledge:

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

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

Date: May 4, 2023

/s/ Nancy Lurker

Name: Nancy Lurker

Title: Chief Executive Officer (Principal Executive Officer)

EX-32

Exhibit 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.

In connection with the Quarterly Report of EyePoint Pharmaceuticals, Inc. (the “Company”) on Form 10-Q for the quarter ended March 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, George O. Elston, Chief Financial Officer of the Company, certify that to the best of my knowledge:

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

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

Date: May 4, 2023

/s/ George O. Elston

Name: George O. Elston

Title: Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2023	Apr. 27, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Entity Registrant Name	EyePoint Pharmaceuticals, Inc.
Entity Central Index Key	0001314102
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Trading Symbol	EYPT
Entity Common Stock, Shares Outstanding		34,301,926
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Shell Company	false
Entity File Number	000-51122
Entity Tax Identification Number	26-2774444
Entity Address, Address Line One	480 Pleasant Street
Entity Address, City or Town	Watertown
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02472
City Area Code	(617)
Local Phone Number	926-5000
Document Quarterly Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	DE
Title of 12(b) Security	Common Stock, par value $0.001
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
Entity Current Reporting Status	Yes

XML

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 105,765	$ 95,633
Marketable securities	16,718	48,928
Accounts and other receivables, net	10,422	15,503
Prepaid expenses and other current assets	9,081	9,858
Inventory	4,071	2,886
Total current assets	146,057	172,808
Property and equipment, net	2,609	1,360
Operating lease right-of-use assets	5,777	6,038
Restricted cash	150	150
Total assets	154,593	180,356
Current liabilities:
Accounts payable	9,453	5,919
Accrued expenses	10,485	16,359
Deferred revenue	1,237	1,205
Short-term borrowings	5,295	10,475
Other current liabilities	772	579
Total current liabilities	27,242	34,537
Long-term debt	29,370	29,310
Deferred revenue - noncurrent	13,270	13,557
Operating lease liabilities - noncurrent	5,721	5,984
Other long-term liabilities	600	600
Total liabilities	76,203	83,988
Contingencies (Note 13)
Stockholders' equity:
Preferred stock, $.001 par value, 5,000,000 shares authorized, no shares issued and outstanding	0	0
Common stock, $.001 par value, 300,000,000 shares authorized at March 31, 2023 and December 31, 2022; 34,301,926 and 34,082,934 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	34	34
Additional paid-in capital	770,028	766,899
Accumulated deficit	(692,515)	(671,351)
Accumulated other comprehensive income	843	786
Total stockholders' equity	78,390	96,368
Total liabilities and stockholders' equity	$ 154,593	$ 180,356

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	34,301,926	34,082,934
Common stock, shares outstanding	34,301,926	34,082,934

XML

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Total revenues	$ 7,683	$ 9,294
Operating expenses:
Cost of sales, excluding amortization of acquired intangible assets	640	1,777
Research and development	13,618	9,945
Sales and marketing	5,737	6,693
General and administrative	9,242	8,548
Amortization of acquired intangible assets	0	615
Total operating expenses	29,237	27,578
Loss from operations	(21,554)	(18,284)
Other income (expense):
Interest and other income, net	1,202	61
Interest expense	(812)	(1,194)
Loss on extinguishment of debt	0	(1,559)
Total other income (expense), net	390	(2,692)
Net loss	$ (21,164)	$ (20,976)
Net loss per share - basic	$ (0.56)	$ (0.56)
Net loss per share - diluted	$ (0.56)	$ (0.56)
Weighted average shares outstanding - basic	37,486	37,253
Weighted average shares outstanding - diluted	37,486	37,253
Net loss	$ (21,164)	$ (20,976)
Other comprehensive loss:
Unrealized gain (loss) on available-for-sale securities, net of tax of $0 for periods presented	57	(53)
Comprehensive loss	(21,107)	(21,029)
Product [Member]
Revenues:
Total revenues	7,394	9,010
License and Collaboration Agreements [Member]
Revenues:
Total revenues	34	59
Royalty Income [Member]
Revenues:
Total revenues	$ 255	$ 225

XML

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Unrealized gain (loss) on available-for-sale securities, tax	$ 0	$ 0

XML

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]
Balance at Dec. 31, 2021	$ 184,380	$ 34	$ 752,602	$ (569,097)	$ 841
Balance, shares at Dec. 31, 2021		33,905,826
Net loss	(20,976)			(20,976)
Other comprehensive gain (loss)	(53)				(53)
Employee stock purchase plan	201		201
Employee stock purchase plan, shares		28,504
Exercise of stock options	40		40
Exercise of stock options, shares		4,223
Vesting of stock units	(250)		(250)
Vesting of stock units, shares		108,575
Stock-based compensation	3,477		3,477
Balance at Mar. 31, 2022	166,819	$ 34	756,070	(590,073)	788
Balance, shares at Mar. 31, 2022		34,047,128
Balance at Dec. 31, 2022	$ 96,368	$ 34	766,899	(671,351)	786
Balance, shares at Dec. 31, 2022	34,082,934	34,082,934
Net loss	$ (21,164)			(21,164)
Other comprehensive gain (loss)	57				57
Employee stock purchase plan	248		248
Employee stock purchase plan, shares		63,721
Vesting of stock units	(169)		(169)
Vesting of stock units, shares		155,271
Stock-based compensation	3,050		3,050
Balance at Mar. 31, 2023	$ 78,390	$ 34	$ 770,028	$ (692,515)	$ 843
Balance, shares at Mar. 31, 2023	34,301,926	34,301,926

XML

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net loss	$ (21,164)	$ (20,976)
Adjustments to reconcile net loss to cash flows used in operating activities:
Amortization of intangible assets	0	615
Depreciation of property and equipment	105	81
Amortization of debt discount and premium and discount on available-for-sale marketable securities	(244)	110
Loss on extinguishment of debt	0	1,559
Stock-based compensation	3,050	3,477
Changes in operating assets and liabilities:
Accounts receivable and other current assets	4,932	(2,937)
Inventory	(1,185)	280
Accounts payable and accrued expenses	(2,267)	(2,107)
Right-of-use assets and operating lease liabilities	193	(35)
Deferred revenue	(255)	(225)
Net cash used in operating activities	(16,835)	(20,158)
Cash flows from investing activities:
Purchases of marketable securities	(2,930)	(62,293)
Sales and maturities of marketable securities	35,500	6,000
Purchases of property and equipment	(484)	(149)
Net cash provided by (used in) investing activities	32,086	(56,442)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	0	30,000
Payment of equity and debt issue costs	0	(352)
Payment of long-term debt	0	(38,235)
Payment of extinguishment of debt costs	0	(2,294)
Borrowings under revolving facility	5,300	11,459
Repayment under revolving facility	(10,480)	(984)
Net settlement of stock units to satisfy statutory tax withholding	(169)	(250)
Proceeds from exercise of stock options	248	241
Principal payments on finance lease obligations	(18)	(33)
Net cash used in financing activities	(5,119)	(448)
Net increase (decrease) in cash, cash equivalents and restricted cash	10,132	(77,048)
Cash, cash equivalents and restricted cash at beginning of period	95,783	178,743
Cash, cash equivalents and restricted cash at end of period	105,915	101,695
Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets:
Cash and cash equivalents	105,765	101,545
Restricted cash	150	150
Total cash, cash equivalents and restricted cash at end of period	105,915	101,695
Supplemental cash flow information:
Cash interest paid	740	941
Supplemental disclosure of non-cash investing and financing activities:
Debt issue costs	0	244
Accrued term loan exit fee	$ 0	$ 600

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Operations

3 Months Ended

Mar. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Operations

1.Operations

The accompanying condensed consolidated financial statements of EyePoint Pharmaceuticals, Inc., a Delaware corporation (together with its subsidiaries, the Company), as of March 31, 2023 and for the three months ended March 31, 2023 and 2022 are unaudited. Certain information in the footnote disclosures of these financial statements has been condensed or omitted in accordance with the rules and regulations of the Securities and Exchange Commission. These financial statements should be read in conjunction with the Company’s audited consolidated financial statements and footnotes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022. In the opinion of management, these statements have been prepared on the same basis as the audited consolidated financial statements as of and for the year ended December 31, 2022, and include all adjustments, consisting only of normal recurring adjustments, that are necessary for the fair presentation of the Company’s financial position, results of operations, comprehensive loss and cash flows for the periods indicated. The preparation of financial statements in accordance with United States (U.S.) generally accepted accounting principles requires management to make assumptions and estimates that affect, among other things, (i) reported amounts of assets and liabilities; (ii) disclosure of contingent assets and liabilities at the date of the consolidated financial statements; and (iii) reported amounts of revenues and expenses during the reporting period. The results of operations for the three months ended March 31, 2023 are not necessarily indicative of the results that may be expected for the entire fiscal year or any future period.

The Company is committed to developing and commercializing therapeutics to help improve the lives of patients with serious eye disorders. The Company’s pipeline leverages its proprietary erodible DURASERT E™ technology (Durasert E) for sustained intraocular drug delivery including EYP-1901, an investigational sustained delivery intravitreal treatment currently in Phase 2 clinical trials for wet age-related macular degeneration (wet AMD), the leading cause of vision loss among people 50 years of age and older in the United States and non-proliferative diabetic retinopathy (NPDR), a largely untreated disease due to limitations of available therapies. The Company also commercializes YUTIQ®, a once every three-year treatment for chronic non-infectious uveitis affecting the posterior segment of the eye that utilizes a non-erodible formulation of Durasert. YUTIQ is currently being sold in the United States and the Company has focused on its use with both uveitis and retinal specialist physicians. DEXYCU®, a single-dose treatment for postoperative inflammation following ocular surgery, is also being sold in the United States, but no longer actively marketed in the United States due to loss of pass-through reimbursement by the Center for Medicare & Medicaid Services (CMS) as of January 1, 2023.

The Company plans to identify and advance additional pipeline product candidates through clinical and regulatory development. This may be accomplished through internal discovery efforts, research collaborations and/or in-licensing arrangements with partner molecules and potential acquisitions of additional ophthalmic products, product candidates or technologies that complement the Company’s current product portfolio.

Effects of the COVID-19 Coronavirus Pandemic

The ongoing COVID-19 coronavirus pandemic (the Pandemic) has had a material and adverse impact on the Company’s business pursuant to a reduction in physician office visits impacting YUTIQ. Going forward, the duration and full extent to which the Pandemic impacts the Company’s business, revenues, financial condition and cash flows depend on future developments that are highly uncertain, subject to change and are difficult to predict, including new information that may emerge concerning the Pandemic, and may cause intermittent or prolonged periods of reduced patient services at the Company’s customers’ facilities, which may negatively affect customer demand. The Company’s revenues, financial condition and cash flows may be adversely affected in the future as well. The Company is continuously monitoring the Pandemic and its potential effect on the Company’s financial position, results of operations and cash flows. Although the U.S. government has announced the termination of the public health emergency associated with the Pandemic as of May 2023, there remains an uncertainty about the potential future impact of the Pandemic on the Company’s business. This uncertainty could have an impact in future periods on certain estimates used in the preparation of the Company’s periodic financial results, including reserves for variable consideration related to product sales, realizability of certain receivables and assessment for excess or obsolete inventory. Uncertainty around the extent and length of time of the Pandemic, and any future related financial impact cannot be reasonably estimated at this time.

Liquidity

The Company had cash, cash equivalents and investments in marketable securities of $122.5 million at March 31, 2023. The Company has a history of operating losses and has not had significant recurring cash inflows from revenue. The Company’s operations have been financed primarily from sales of its equity securities, issuance of debt and a combination of license fees, milestone payments, royalty income and other fees received from its collaboration partners. The Company anticipates that it will continue to incur losses as it continues the research and development of its product candidates, and the Company does not expect revenues from its product sales to generate sufficient funding to sustain its operations in the near-term. The Company expects to continue fulfilling its funding needs through cash inflows from revenues of its product sales, licensing and research collaboration transactions, additional equity capital raises and other arrangements. The Company believes that its cash, cash equivalents and investments in marketable securities of $122.5 million at March 31, 2023 coupled with expected net cash inflows from its product sales will enable the Company to fund its current and planned operations for at least the next twelve months from the date these consolidated financial statements were issued. Actual cash requirements could differ from management’s projections due to many factors, including the uncertainty and potential effect of the Pandemic on the Company’s business and the medical community, the timing and results of the Company’s clinical trials for EYP-1901, additional investments in research and development programs, the success of ongoing commercialization efforts for YUTIQ, the actual costs of these ongoing commercialization efforts, competing technological and market developments and the costs of any strategic acquisitions and/or development of complementary business opportunities.

Recently Adopted and Recently Issued Accounting Pronouncements

New accounting pronouncements are issued periodically by the Financial Accounting Standards Board and are adopted by the Company as of the specified effective dates. The Company believes that recently issued and adopted pronouncements will not have a material impact on the Company’s financial position, results of operations and cash flows or do not apply to the Company’s operations.

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Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2023

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2.Summary of Significant Accounting Policies

Revenue Recognition

Revenue is recognized when a customer obtains control of promised goods or services, in an amount that reflects the consideration which the entity expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that an entity determines are within the scope of ASC 606, Revenue from Contracts with Customers (ASC 606), the Company performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) the entity satisfies a performance obligation. The Company only applies the five-step model to contracts when it is probable that the entity will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC 606, the Company assesses the goods or services promised within the contract, determines those that are performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Sales, value-add and other taxes collected on behalf of third parties are excluded from revenue.

Product sales, net — The Company sells YUTIQ and DEXYCU to a limited number of specialty distributors and specialty pharmacies (collectively the Distributors) in the U.S., with whom the Company has entered into formal agreements, for delivery to physician practices for YUTIQ and to hospital outpatient departments and ambulatory surgical centers (ASCs) for DEXYCU. The Company recognizes revenue on sales of its products when Distributors obtain control of the products, which occurs at a point in time, typically upon delivery. In addition to agreements with Distributors, the Company also enters into arrangements with healthcare providers, ASCs and payors that provide for government mandated and/or privately negotiated rebates, chargebacks and discounts with respect to the purchase of the Company’s products from Distributors.

Reserves for variable consideration — Product sales are recorded at the wholesale acquisition costs, net of applicable reserves for variable consideration. Components of variable consideration include trade discounts and allowances, provider chargebacks and discounts, payor rebates, product returns and other allowances that are offered within contracts between the Company and its Distributors, payors and other contracted purchasers relating to the Company’s product sales. These reserves, as detailed below, are based on the amounts earned, or to be claimed on the related sales, and are classified either as reductions of product revenue and accounts receivable or a current liability, depending on how the amount is to be settled. Overall, these reserves reflect the Company’s best estimates of the amount of consideration to which it is entitled based on the terms of the respective underlying contracts. Actual amounts of consideration ultimately received may differ from the Company’s estimates. If actual results in the future vary from the estimates, the Company adjusts product revenue and earnings in the period such variances become known.

Distribution fees — The Company compensates its Distributors for services explicitly stated in the Company’s contracts and are recorded as a reduction of revenue in the period the related product sale is recognized.

Provider chargebacks and discounts — Chargebacks are discounts that represent the estimated obligations resulting from contractual commitments to sell products at prices lower than the list prices charged to the Company’s Distributors. These Distributors charge the Company for the difference between what they pay for the product and the Company’s contracted selling price. These reserves are established in the same period that the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability. Reserves for chargebacks consist of amounts that the Company expects to pay for units that remain in the distribution channel inventories at each reporting period-end that the Company expects will be sold under a contracted selling price, and chargebacks that Distributors have claimed, but for which the Company has not yet settled.

Government rebates — The Company is subject to discount obligations under state Medicaid programs and Medicare. These reserves are recorded in the same period the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability which is included in accrued expenses and other current liabilities on the condensed consolidated balance sheets. The Company’s liability for these rebates consists of invoices received for claims from prior quarters that have not been paid or for which an invoice has not yet been received, estimates of claims for the current quarter, and estimated future claims that will be made for product that has been recognized as revenue, but which remains in the distribution channel inventories at the end of each reporting period.

Payor rebates — The Company contracts with certain private payor organizations, primarily insurance companies, for the payment of rebates with respect to utilization of its products. The Company estimates these rebates and records such estimates in the same period the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability.

Co-Payment assistance — The Company offers co-payment assistance to commercially insured patients meeting certain eligibility requirements. The calculation of the accrual for co-pay assistance is based on an estimate of claims and the cost per claim that the Company expects to receive associated with product that has been recognized as revenue.

Product returns — The Company generally offers a limited right of return based on its returned goods policy, which includes damaged product and remaining shelf life. The Company estimates the amount of its product sales that may be returned and records this estimate as a reduction of revenue in the period the related product revenue is recognized, as well as reductions to trade receivables, net on the condensed consolidated balance sheets.

License and collaboration agreement revenue — The Company analyzes each element of its license and collaboration arrangements to determine the appropriate revenue recognition. The terms of the license agreement may include payment to the Company of non-refundable upfront license fees, milestone payments if specified objectives are achieved, and/or royalties on product sales. The Company recognizes revenue from upfront payments at a point in time, typically upon fulfilling the delivery of the associated intellectual property to the customer.

If the contract contains a single performance obligation, the entire transaction price is allocated to the single performance obligation. Contracts that contain multiple performance obligations require an allocation of the transaction price based on the estimated relative standalone selling prices of the promised products or services underlying each performance obligation. The Company determines standalone selling prices based on the price at which the performance obligation is sold separately. If the standalone selling price is not observable through past transactions, the Company estimates the standalone selling price taking into account available information such as market conditions and internally approved pricing guidelines related to the performance obligations.

The Company recognizes sales-based milestone payments as revenue upon the achievement of the cumulative sales amount specified in the contract in accordance with ASC 606-10-55-65. For those milestone payments which are contingent on the occurrence of particular future events, the Company determines that these need to be considered for inclusion in the calculation of total consideration from the contract as a component of variable consideration using the most-likely amount method. As such, the Company assesses each milestone to determine the probability and substance behind achieving each milestone. Given the inherent uncertainty associated with these future events, the Company will not recognize revenue from such milestones until there is a high probability of occurrence, which typically occurs near or upon achievement of the event.

When determining the transaction price of a contract, an adjustment is made if payment from a customer occurs either significantly before or significantly after performance, resulting in a significant financing component. Applying the practical expedient in paragraph 606-10-32-18, the Company does not assess whether a significant financing component exists if the period between when the Company performs its obligations under the contract and when the customer pays is one year or less. None of the Company’s contracts contained a significant financing component as of March 31, 2023.

Royalties — The Company recognizes revenue from license arrangements with its commercial partners’ net sales of products. Such revenues are included as royalty income. In accordance with ASC 606-10-55-65, royalties are recognized when the subsequent sale of the commercial partner’s products occurs. The Company’s commercial partners are obligated to report their net product sales and the resulting royalty due to the Company typically within 60-days from the end of each quarter. Based on historical product sales, royalty receipts and other relevant information, the Company recognizes royalty income each quarter and subsequently determines a true-up when it receives royalty reports and payment from its commercial partners. Historically, these true-up adjustments have been immaterial.

Sale of Future Royalties — The Company has sold its rights to receive certain royalties on product sales. In the circumstance where the Company has sold its rights to future royalties under a royalty purchase agreement (RPA) and also maintains limited continuing involvement in the arrangement (but not significant continuing involvement in the generation of the cash flows that are due to the purchaser), the Company defers recognition of the proceeds it receives for the sale of royalty streams and recognizes such unearned revenue as revenue under the units-of-revenue method over the life of the underlying license agreement. Under the units-of-revenue method, amortization for a reporting period is calculated by computing a ratio of the proceeds received from the purchaser to the total payments expected to be made to the purchaser over the term of the agreement, and then applying that ratio to the period’s cash payment.

Estimating the total payments expected to be received by the purchaser over the term of such arrangements requires management to use subjective estimates and assumptions. Changes to the Company’s estimate of the payments expected to be made to the purchaser over the term of such arrangements could have a material effect on the amount of revenues recognized in any particular period.

Research Collaborations — The Company recognizes revenue over the term of the statements of work under any funded research collaborations. Revenue recognition for consideration, if any, related to a license option right is assessed based on the terms of any such future license agreement or is otherwise recognized at the completion of the research collaborations.

Please refer to Note 3 for further details on the license and collaboration agreements into which the Company has entered and corresponding amounts of revenue recognized during the current and prior year periods.

Cost of sales, excluding amortization of acquired intangible assets — Cost of sales, excluding amortization of acquired intangible assets, consist of costs associated with the manufacture of YUTIQ and DEXYCU, certain period costs for DEXYCU product revenue, product shipping and, as applicable, royalty expense. The inventory costs for YUTIQ include purchases of various components, the active pharmaceutical ingredient (API) and direct labor and overhead for the product manufactured in the Company’s Watertown, Massachusetts facility. The inventory costs for DEXYCU include purchased components, the API and third-party manufacturing and assembly.

For the three months ended March 31, 2023 and 2022, the Company accrued DEXYCU product revenue-based royalty expense of $1,000 and $674,000, respectively, as a component of cost of sales.

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Revenue

3 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Revenue

3.Revenue

Product Revenue Reserves and Allowances

As of March 31, 2023, the Company’s product revenues have been primarily from sales of YUTIQ in the U.S. (See Note 1).

The following table summarizes activity in each of the product revenue allowance and reserve categories for the three months ended March 31, 2023 and 2022 (in thousands):

	Chargebacks, Discounts			Government and Other
	and Fees			Rebates			Returns			Total
Beginning balance at January 1, 2023	$	859		$	158		$	871		$	1,888
Provision related to sales in the current year		823			—			—			823
Adjustments related to prior period sales		40			(40	)		(18	)		(18	)
Deductions applied and payments made		(846	)		(103	)		(32	)		(981	)
Ending balance at March 31, 2023	$	876		$	15		$	821		$	1,712
	Chargebacks, Discounts			Government and Other
	and Fees			Rebates			Returns			Total
Beginning balance at January 1, 2022	$	1,153		$	1,821		$	379		$	3,353
Provision related to sales in the current year		2,674			2,003			140			4,817
Adjustments related to prior period sales		—			—			—			—
Deductions applied and payments made		(1,904	)		(1,693	)		(87	)		(3,684	)
Ending balance at March 31, 2022	$	1,923		$	2,131		$	432		$	4,486

Returns are recorded as a reduction of accounts receivable on the condensed consolidated balance sheets. Chargebacks, discounts and fees and rebates are recorded as a component of accrued expenses on the condensed consolidated balance sheets (See Note 6).

License and Collaboration Agreements and Royalty Income

SWK Royalty Purchase Agreement

Pursuant to a royalty purchase agreement (RPA) with SWK Funding LLC (SWK), the Company sold its right to receive royalty payments on future sales of products subject to a licensing and development agreement, as amended, with Alimera Sciences, Inc. (Alimera) (the Amended Alimera Agreement) for an upfront cash payment of $16.5 million. The Company classified the proceeds received from SWK as deferred revenue. The Company recognized $255,000 and $225,000 of royalty revenue related to the RPA for the three months ended March 31, 2023 and 2022, respectively, in connection with the royalty payment of $727,000 and $724,000 for the three months ended March 31, 2023 and 2022 from Alimera to SWK, pursuant to the Amended Alimera Agreement, respectively. As of March 31, 2023, the Company had $1.2 million and $13.3 million as current and non-current deferred revenue recognized under the RPA, respectively. As of December 31, 2022, the Company classified $1.2 million and $13.6 million as current and non-current deferred revenue recognized under the RPA, respectively.

Ocumension Therapeutics

Pursuant to license agreements and a Memorandum of Understanding signed with the Company, Ocumension Therapeutics (Ocumension) has:

•An exclusive license for the development and commercialization of its three-year micro insert using the Durasert technology for the treatment of posterior segment uveitis of the eye (YUTIQ in the U.S.) in Mainland China, Hong Kong, Macau and Taiwan at its own cost and expense in return for royalties based on sales with the Company supplying products for clinical trials and commercial sale;

•An exclusive license for the development and commercialization in Mainland China, Hong Kong, Macau and Taiwan of DEXYCU for the treatment of post-operative inflammation following ocular surgery at its own cost and expense in return for royalties based on sales with the Company supplying product for clinical trials and commercial sale; and

•Exclusive rights to develop and commercialize YUTIQ and DEXYCU products under its own brand names in South Korea and other jurisdictions across Southeast Asia in Brunei, Burma (Myanmar), Cambodia, Timor-Leste, Indonesia, Laos, Malaysia, the Philippines, Singapore, Thailand and Vietnam, at its own cost and expense in return for royalties based on sales with the Company supplying product for clinical trials and commercial sale.

In September 2021, Ocumension announced its receipt of approval from Chinese regulatory authorities for DEXYCU under Ocumension’s distinct name to conduct a Phase 3 clinical trial in China. In June 2022, Ocumension announced its receipt of approval of the NDA from Chinese regulatory authorities for YUTIQ under Ocumension’s distinct name.

The Chief Executive Officer of Ocumension became a director of the Company starting December 31, 2020, pursuant to a Share Purchase Agreement pursuant to which the Company sold to Ocumension 3,010,722 shares of common stock, at which time, Ocumension became a related party of the Company.

During the three months ended March 31, 2023 and 2022, in addition to $11,000 and $56,000 of revenue from product sales, respectively, the Company recognized approximately $30,000 and $59,000 of license and collaboration revenue, respectively, related to additional technical assistance. No royalty income was recorded for the three months ended March 31, 2023 and 2022.

Exclusive License Agreement with Betta Pharmaceuticals, Co., Ltd.

On May 2, 2022, the Company entered into an Exclusive License Agreement (the Betta License Agreement) with Betta Pharmaceuticals Co., Ltd. (Betta), an affiliate of Equinox Sciences, LLC (Equinox) (see Note 11). Under the Betta License Agreement, the Company granted to Betta an exclusive, sublicensable, royalty-bearing license under certain of the Company’s intellectual property to develop, use (but not make or have made), sell, offer for sale and import the Company’s product candidate, EYP-1901, an investigational sustained delivery intravitreal anti-VEGF treatment that combines an erodible formulation of the Company’s proprietary sustained-release technology with the compound vorolanib (the Licensed Product), in the field of ophthalmology (the Betta Field) in the Greater Area of China, including China, the Hong Kong Special Administrative Region, the Macau Special Administrative Region, and Taiwan (the Betta Territory). The Company retained rights under the Company’s intellectual property to, among other things, conduct clinical trials on the Licensed Product in the Betta Field in the Betta Territory.

In consideration for the rights granted by the Company, Betta agreed to pay the Company tiered, mid-to-high single-digit royalties based upon annual net sales of Licensed Products in the Betta Territory. The royalties are payable on a Licensed Product-by-Licensed Product and region-by-region basis commencing on the first commercial sale of a Licensed Product in a region and continuing until the later of (i) the date that is twelve (12) years after first commercial sale of such Licensed Product in such region, and (ii) the first day of the month following the month in which a generic product corresponding to such Licensed Product is launched in the relevant region. The royalty rate is subject to reduction under certain circumstances, including when there is no valid claim of a licensed patent that covers a Licensed Product in a particular region.

Betta is responsible for all costs relating to development, registration, manufacturing, marketing, advertising, promotional, launch and sales activities in connection with the Licensed Products in the Betta Field in the Betta Territory. Betta is required to use commercially reasonable efforts to develop, seek regulatory approval for, and commercialize at least one Licensed Product in the Betta Field in the Betta Territory. The Betta License Agreement also requires Betta to achieve certain diligence milestones relating to regulatory filings, patient dosing and regulatory approval by certain specified deadlines set forth in the Betta License Agreement, subject to certain exceptions and extensions as set forth in the Betta License Agreement. Betta’s development activities will be conducted pursuant to a development plan subject to periodic updates. In the event that the Company conducts a global registrational clinical trial for a Licensed Product in the Betta Field, Betta will have the right to participate in such clinical trial by including clinical trial sites in the Betta Territory in accordance with the terms of the Betta License Agreement. The Company has also agreed to provide certain technology transfer and other support services to Betta subject to certain conditions and limitations set forth in the Betta License Agreement.

The Company recorded no revenue from product sales, license and collaboration revenue, or royalty income for the three months ended March 31, 2023 and 2022 related to this agreement.

Research Collaborations

The Company from time to time enters into agreements to evaluate the potential use of its technologies for sustained release of third-party partner drug candidates. Consideration received is generally recognized as revenue over the term of the research collaborations. Revenue recognition for consideration, if any, related to a license option right is assessed based on the terms of any such future license agreement or is otherwise recognized at the completion of the research collaborations. No revenue was recorded under research collaborations for the three months ended March 31, 2023 and 2022.

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Prepaid Expenses and Other Current Assets

3 Months Ended

Mar. 31, 2023

Prepaid Expense and Other Assets, Current [Abstract]

Prepaid Expenses and Other Current Assets

4.Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	March 31, 2023		December 31, 2022
Prepaid expenses	$	2,443	$	2,723
Prepaid clinical		6,638		6,353
Other		—		782
Total prepaid expenses and other current assets	$	9,081	$	9,858

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Inventory

3 Months Ended

Mar. 31, 2023

Inventory Disclosure [Abstract]

Inventory

5.Inventory

Inventory consisted of the following (in thousands):

	March 31, 2023		December 31, 2022
Raw materials	$	1,274	$	1,410
Work in process		1,600		1,078
Finished goods		1,197		398
Total inventory	$	4,071	$	2,886

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Accrued Expenses

3 Months Ended

Mar. 31, 2023

Payables and Accruals [Abstract]

Accrued Expenses

6.Accrued Expenses

Accrued expenses consisted of the following at March 31, 2023 and December 31, 2022 (in thousands):

	March 31,		December 31,
	2023		2022
Personnel costs	$	4,254	$	9,515
Clinical trial costs		3,287		3,308
Professional fees		920		761
Sales chargebacks, rebates and other revenue reserves		891		1,017
Commissions due to DEXYCU commercial partner		249		752
Other		884		1,006
Total accrued expenses	$	10,485	$	16,359

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Leases

3 Months Ended

Mar. 31, 2023

Leases [Abstract]

Leases

7.Leases

On May 17, 2018, the Company amended the lease for its headquarters in Watertown, Massachusetts. The original five-year lease for approximately 13,650 square feet of combined office and laboratory space was set to expire in April 2019. Under the amendment, the Company leased an additional 6,590 square feet of rentable area of the building, with a commencement date of September 10, 2018. The amendment extended the term of the lease for the combined space through May 31, 2025, and the landlord provided the Company a construction allowance of up to $670,750 to be applied toward renovations and improvements within the total space. On April 5, 2021, the Company further amended the lease to include an additional 1,409 square feet of rentable area of the building, through May 31, 2025, with a commencement date of July 1, 2021.

On March 8, 2022, the Company further amended the lease (i) to extend the term to May 31, 2028 for 13,650 square feet of laboratory and manufacturing operations space, with the landlord agreeing to provide the Company a construction allowance of up to $555,960 to be applied toward upgrades and improvements within the space; (ii) to rent an additional 11,999 square feet of office space within the building through May 31, 2028 (New Premises); and (iii) to terminate a portion of the lease comprising 7,999 square feet of office space in the building in accordance with its existing contractual term on May 31, 2025. The amendment also reinstated the Company’s right to extend the lease for the space it occupies after May 31, 2025 for one additional period of five years. Rent for the extension period would be at the fair market rent for comparable space in comparable properties in the Watertown area. During the second quarter of 2022, the Company recognized a $2.9 million increase to its lease liabilities and right-of-use (ROU) assets resulting from the lease amendment for the term extension of the laboratory and manufacturing operations space.

The lease for the New Premises commenced during the third quarter of 2022. The Company occupied the New Premises when the landlord substantially completed its construction for the space, after which the Company’s obligation to pay base rent began. The Company recognized an increase of $1.6 million to its lease liabilities and $1.7 million to its ROU assets resulting from the lease for the New Premises.

The Company previously provided a cash-collateralized $150,000 irrevocable standby letter of credit as security for the Company’s obligations under the lease, which will remain in effect through the period that is four months beyond the expiration date of the amended lease. The Company will also be required to pay its proportionate share of certain operating costs and property taxes applicable to the leased premises in excess of new base year amounts.

On January 23, 2023, the Company entered into a lease agreement with V.E. Properties IX, LLC for its new standalone manufacturing facility, including office and lab space located at 600 Commerce Drive, Northbridge, Massachusetts. The new leased premises will consist of approximately 40,000 square feet. The lease includes a lease term of fifteen years and four months, with two options to extend the lease term for two additional terms of either five years or ten years at 95% of the then-prevailing fair market rent. The lease term will commence upon the substantial completion of construction to prepare the premises for the Company’s intended use, which is currently expected to occur during the second half of 2024, provided, however, that the Company’s obligation to pay base rent will begin four months following the commencement of the lease term. The lease will create significant rights and obligations for the Company, including the payment of base rent on monthly basis, of which the Company estimates will total approximately $40.8 million during the initial non-cancellable term of the lease (i.e., fifteen years and four months). The Company is responsible for real estate taxes, maintenance, and other operating expenses applicable to the leased premises. As of the date the condensed consolidated financial statements were issued, construction had not yet commenced and a lease commencement date in accordance with ASC 842, Leases, had not occurred, as such, no ROU or lease liability has been recorded as of March 31, 2023.

The Company identified and assessed the following significant assumptions in recognizing its ROU assets and corresponding lease liabilities:

•As the Company’s leases do not specify an implicit rate, the Company estimated its incremental borrowing rate to calculate the present value of the lease payments. The Company utilized the borrowing rate under its CRG term loan facility (see Note 8) in the overall assessment of the discount rate for all leases, with the exception of the amendment dated March 8, 2022, for which the Company utilized the borrowing rate under its SVB term loan facility (see Note 8) in the overall assessment of the discount rate.

•Since the Company elected to account for each lease component and its associated non-lease components as a single combined component, all contract consideration was allocated to the respective lease components.

•The expected lease terms include non-cancellable lease periods. Renewal option periods have not been included in the determination of the lease terms as they are not deemed reasonably certain of exercise.

•Variable lease payments, such as common area maintenance, real estate taxes and property insurance are not included in the determination of the lease’s ROU asset or lease liability.

As of March 31, 2023, the weighted average remaining term of the Company’s operating leases was 5.0 years and the weighted average discount rate was 5.84%.

Supplemental balance sheet information related to operating leases as of March 31, 2023 and December 31, 2022 are as follows (in thousands):

	March 31,		December 31,
	2023		2022
Other current liabilities – operating lease current portion	$	754	$	543
Operating lease liabilities – noncurrent portion		5,721		5,984
Total operating lease liabilities	$	6,475	$	6,527

Operating lease expense recognized related to ROU assets was $355,000 and $229,000, excluding $45,000 and $3,000 of variable lease costs, for each of the three months ended March 31, 2023 and 2022, respectively, which consisted of $291,000 and $159,000 for research and development expense, $0 and $28,000 for sales and marketing expense, and $64,000 and $42,000 for general and administrative expense, respectively, and was included in the Company’s statement of comprehensive loss. Cash paid for amounts included in the measurement of operating lease liabilities was $145,000 and $242,000 for the three months ended March 31, 2023 and 2022, respectively.

The Company’s total future minimum lease payments under non-cancellable leases at March 31, 2023 were as follows (in thousands):

	Operating Leases
Remainder of 2023	$	765
2024		1,392
2025		1,494
2026		1,589
2027		1,637
Thereafter		693
Total lease payments	$	7,570
Less imputed interest		(1,095	)
Total	$	6,475

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Loan Agreements

3 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Loan Agreements

8.Loan Agreements

SVB Loan Agreement

On March 9, 2022 (the SVB Closing Date), the Company entered into a loan and security agreement (the SVB Loan Agreement) with First Citizens BancShares, Inc. (First Citizens) as successor to Silicon Valley Bank (SVB), providing for (i) a senior secured term loan facility of $30.0 million (the Term Facility) and (ii) a senior secured revolving credit facility of up to $15.0 million (the Revolving Facility and together with the Term Facility, the Credit Facilities). The maximum amount available for borrowing at any time under the Revolving Facility is limited to a borrowing base valuation of the Company’s eligible accounts receivable. On the SVB Closing Date, $30.0 million of the Term Facility and $11.5 million of the Revolving Facility, were advanced, to pay off the CRG Loan Agreement, dated February 13, 2019, among the Company, as borrower, CRG Servicing LLC, as administrative agent and collateral agent, and the lenders party thereto from time to time, providing for a senior secured term loan of up to $60 million (CRG Loan), including the accrued interest through that date. The Revolving Facility is classified as short-term borrowings in the condensed consolidated balance sheets.

The loans under the Credit Facilities are due and payable on January 1, 2027 (the SVB Maturity Date). The Credit Facilities bear interest that is payable monthly in arrears at a per annum rate (subject to increase during an event of default) equal to (i) with respect to the Term Facility, the greater of (x) the Wall Street Journal prime rate plus 2.25% and (y) 5.50% and (ii) with respect to the Revolving Facility, the Wall Street Journal Prime Rate. An unused commitment fee of 0.25% per annum applies to unutilized borrowing capacity under the Revolving Facility. Commencing on February 1, 2024, the Company is required to repay the principal of the Term Facility in 36 consecutive equal monthly installments. At maturity or if earlier prepaid, the Company will also be required to pay an exit fee equal to 2.00% of the aggregate principal amount of the Term Facility.

The repayment of all unpaid principal and accrued interest under the Credit Facilities may be accelerated upon consummation of a specified change of control transaction or the occurrence of certain other events of default (as specified in the SVB Loan Agreement). Subject to certain exceptions, the Company is also required to make mandatory prepayments of outstanding loans under the Credit Facilities with the proceeds of assets sales and insurance proceeds, which amounts in the case of the Revolving Facility, subject to the conditions set forth in the SVB Loan Agreement, may be re-borrowed. All voluntary and mandatory prepayments of the Term Facility are subject to the payment of prepayment premiums as follows: (i) if prepayment occurs on or prior to the first anniversary of the SVB Closing Date, an amount equal to 3.0% of the aggregate outstanding principal amount of the Term Facility being prepaid, (ii) if prepayment occurs after the first anniversary of the SVB Closing Date and on or prior to the second anniversary of the SVB Closing Date, 2.0% of the aggregate outstanding principal amount of the Term Facility being prepaid, (iii) if prepayment occurs after the second anniversary of the SVB Closing Date and on or prior to the third anniversary of the SVB Closing Date, 1.0% of the aggregate outstanding principal amount of the Term Facility being prepaid and (iv) if prepayment occurs after the third anniversary of the SVB Closing Date but prior to the SVB Maturity Date, an amount equal to 0.50% of the aggregate outstanding principal amount of the Term Facility being prepaid. The prepayment of the Term Facility in full is also subject to the payment of an exit fee of $600,000. The Company may voluntarily terminate the Revolving Facility at any time, subject to the payment of a termination fee as follows: (i) if such termination occurs on or prior to the first anniversary of the SVB Closing Date, an amount equal to 3.0% of the Revolving Facility and (ii) if such termination occurs after the first anniversary of the SVB Closing Date, 1.0% of the Revolving Facility.

The obligations of the Company under the SVB Loan Agreement are secured by a pledge of substantially all of the Company’s assets, excluding intellectual property. Certain of the Company’s future subsidiaries will be required to become co-borrowers under the SVB Loan Agreement or guarantee the obligations of the Company under the SVB Loan Agreement. In addition, such subsidiaries will be required to pledge substantially all of their assets, excluding intellectual property, to secure the obligations of the Company under the SVB Loan Agreement.

The SVB Loan Agreement contains affirmative and negative covenants customary for financings of this type, including limitations on the Company and its subsidiaries’ abilities, among other things, to incur additional debt, grant or permit additional liens, make investments and acquisitions, merge or consolidate with others, dispose of assets, pay dividends and distributions, enter into affiliate transactions and change its line of business, in each case, subject to certain exceptions.

On March 7, 2023, the Company and SVB entered into an amendment to the SVB Loan Agreement, modifying the quarterly financial covenants of the agreement. Pursuant to the amendment, commencing upon December 31, 2022, the Company is required to maintain, at all times, unrestricted and unencumbered cash and cash equivalents in an amount equal to the greater of (i) $50,000,000 and (ii) the Company’s six-month Cash Burn (as defined in the SVB Loan Agreement).

Amortization of debt discount under the SVB Loan Agreement totaled $60,000 and $18,000 for the three months ended March 31, 2023 and 2022. Commitment fees under the revolving facility were immaterial.

The Company’s scheduled principal payments for debt at March 31, 2023 were as follows (in thousands):

Remainder of 2023	$	—
2024		9,167
2025		10,000
2026		10,000
2027		833
Total	$	30,000

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Stockholders' Equity

3 Months Ended

Mar. 31, 2023

Equity [Abstract]

Stockholders' Equity

9.Stockholders’ Equity

Equity Financings

Common Stock Offering

There were no equity financings during the three months ended March 31, 2023 and 2022.

ATM Facility

In August 2020, the Company entered into an at-the-market facility (the ATM Facility) with Cantor Fitzgerald & Co (Cantor). Pursuant to the ATM Facility, the Company may, at its option, offer and sell shares of its common stock from time to time, through or to Cantor, acting as sales agent. The Company will pay Cantor a commission of 3.0% of the gross proceeds from any future sales of such shares.

During the three months ended March 31, 2023 and 2022, the Company did not sell any shares of its common stock under the ATM Facility.

Warrants to Purchase Common Shares

The following table provides a reconciliation of fixed price warrants to purchase shares of the Company’s common stock for the three months ended March 31, 2023 and 2022:

	Three Months Ended March 31,
	2023				2022
			Weighted				Weighted
			Average				Average
	Number of		Exercise		Number of		Exercise
	Warrants		Price		Warrants		Price
Balance at beginning of period		48,683	$	12.33		48,683	$	12.33
Balance and exercisable at end of period		48,683	$	12.33		48,683	$	12.33

Pursuant to a credit agreement, the Company issued a warrant to SWK Funding LLC to purchase (i) 40,910 shares of the Company’s common stock on March 28, 2018 at an exercise price of $11.00 per share with a seven-year term and (ii) 7,773 shares of the Company’s common stock on June 26, 2018 at an exercise price of $19.30 per share with a seven-year term. At March 31, 2023, the weighted average remaining life of the warrant was approximately 2.03 years.

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Share-Based Payment Awards

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Share-Based Payment Awards

10.Share-Based Payment Awards

Equity Incentive Plan

The 2016 Long-Term Incentive Plan (the 2016 Plan), approved by the Company’s stockholders on December 12, 2016 provided for the issuance of up to 300,000 shares of the Company’s common stock plus any additional shares of the Company’s common stock that were available for grant under the 2008 Incentive Plan (the 2008 Plan). Stockholders approved amendments to the 2016 Plan on June 25, 2019, June 22, 2021, and November 10, 2022, respectively, which increased the number of shares authorized for issuance by 1,100,000, 2,500,000, and 2,000,000 shares, respectively. At March 31, 2023, a total of approximately 156,000 shares were available for new awards.

Starting March 2022, the Company also granted non-statutory stock options to new employees as inducement awards to enter into employment with the Company. The grants were approved by the Compensation Committee of the Board of Directors and awarded in accordance with Nasdaq Listing Rule 5635(c)(4). Although not awarded under the 2016 Plan or the 2008 Plan, the grants are subject to and governed by the terms and conditions of the 2016 Plan.

Stock Options

The following table provides a reconciliation of stock option activity under the Company’s equity incentive plans and for inducement awards for the three months ended March 31, 2023:

	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
						(in years)		(in thousands)
Outstanding at January 1, 2023		4,082,555		$	13.79
Granted		2,003,895			3.27
Exercised		—			—
Forfeited		(17,354	)		9.04
Expired		—			—
Outstanding at March 31, 2023		6,069,096		$	10.33		8.33	$	6
Exercisable at March 31, 2023		2,075,691		$	16.73		6.63	$	—

The Company has granted stock options with 25% of the option vesting after one year followed by ratable monthly vesting over the remaining three years. Nonemployee awards are granted similar to the Company’s employee awards. All option grants have a 10-year term. Options to purchase a total of 509,000 shares of the Company’s common stock vested during the three months ended March 31, 2023. Starting February 2021, the Company (i) ceased vesting ratable monthly over four years and (ii) retained 25% vesting after one year followed by ratable monthly vesting over the remaining three years.

In determining the grant date fair value of option awards during the three months ended March 31, 2023, the Company applied the Black-Scholes option pricing model based on the following key assumptions:

Option life (in years)	6.08
Stock volatility	78% - 79%
Risk-free interest rate	3.54% - 3.95%
Expected dividends	0.0%

The following table summarizes information about employee, non-executive director and external consultant stock options for the three months ended March 31, 2023 (in thousands except per share amount):

	Three Months
	Ended
	March 31, 2023
Weighted average grant date fair value per share	$	2.28
Total cash received from exercise of stock options		—
Total intrinsic value of stock options exercised		—

Time-Vested Restricted Stock Units

Time-vested restricted stock units (RSUs) issued to date under the 2016 Plan generally vest on a ratable annual basis over 3 years. The related stock-based compensation expense is recorded over the requisite service period, which is the vesting period. The fair value of all time-vested RSUs is based on the closing share price of the Company’s common stock on the date of grant.

The following table provides a reconciliation of RSU activity under the 2016 Plan for the three months ended March 31, 2023:

	Number of Restricted Stock Units			Weighted Average Grant Date Fair Value
Nonvested at January 1, 2023		509,170		$	10.81
Granted		—			—
Vested		(196,102	)		11.12
Forfeited		(2,051	)		10.74
Nonvested at March 31, 2023		311,017		$	10.62

At March 31, 2023, the weighted average remaining vesting term of the RSUs was 1.36 years.

Employee Stock Purchase Plan

On June 25, 2019, the Company’s stockholders approved the adoption of the EyePoint Pharmaceuticals, Inc. 2019 Employee Stock Purchase Plan (the ESPP) and authorized up to 110,000 shares of common stock reserved for issuance to participating employees. At the Company’s Annual Meeting of Stockholders held on June 22, 2021, the Company’s stockholders approved an amendment to the ESPP to increase the number of shares authorized for issuance by 250,000 shares. The ESPP allows qualified participants to purchase the Company’s common stock twice a year at 85% of the lesser of the average of the high and low sales price of the Company’s common stock on (i) the first trading day of the relevant offering period and (ii) the last trading day of the relevant offering period. The number of shares of the Company’s common stock each employee may purchase under this plan, when combined with all other employee stock purchase plans, is limited to the lower of an aggregate fair market value of $25,000 during each calendar year, or 5,000 shares of the Company’s common stock in any one offering period. The Company has maintained consecutive six-month offering periods since August 1, 2019. During the three-month period ended March 31, 2023, 63,721 shares of the Company’s common stock were issued pursuant to the ESPP.

The Company estimated the fair value of the option component of the ESPP shares at the date of grant using a Black-Scholes valuation model. During the three months ended March 31, 2023 and 2022, the compensation expense from ESPP shares was approximately $47,000 and $33,000.

Stock-Based Compensation Expense

The Company’s condensed consolidated statements of comprehensive loss included total compensation expense from stock-based payment awards for the three months ended March 31, 2023 and 2022, respectively, as follows (in thousands):

	Three Months Ended March 31,
	2023		2022
Compensation expense included in:
Research and development	$	1,240	$	1,473
Sales and marketing		430		409
General and administrative		1,380		1,595
	$	3,050	$	3,477

At March 31, 2023, there was approximately $11.9 million of unrecognized compensation expense related to outstanding equity awards under the 2016 Plan, the 2008 Plan, the inducement awards and the ESPP that is expected to be recognized as expense over a weighted average period of approximately 1.7 years.

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License and Asset Purchase Agreements

3 Months Ended

Mar. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

License and Asset Purchase Agreements

11.License and Asset Purchase Agreements

Equinox Science, LLC

In February 2020, the Company entered into an Exclusive License Agreement (the Equinox License Agreement) with Equinox, pursuant to which Equinox granted the Company an exclusive, sublicensable, royalty-bearing right and license to certain patents and other Equinox intellectual property to research, develop, make, have made, use, sell, offer for sale and import the compound vorolanib and any pharmaceutical products comprising the compound for local delivery to the eye for the prevention or treatment of age-related macular degeneration, diabetic retinopathy and retinal vein occlusion using the Company’s proprietary localized delivery technologies (the Original Field), in each case, throughout the world except China, Hong Kong, Taiwan and Macau (the Company Territory).

In consideration for the rights granted by Equinox, the Company (i) made a one time, non-refundable, non-creditable upfront cash payment of $1.0 million to Equinox in February 2020, and (ii) agreed to pay milestone payments totaling up to $50 million upon the achievement of certain development and regulatory milestones, consisting of (a) completion of a Phase II clinical trial for the compound or a licensed product, (b) the filing of a new drug application or foreign equivalent for the compound or a licensed product in the United States, European Union or United Kingdom and (c) regulatory approval of the compound or a licensed product in the United States, European Union or United Kingdom.

The Company also agreed to pay Equinox tiered royalties based upon annual net sales of licensed products in the Company Territory. The royalties are payable with respect to a licensed product in a particular country in the Company Territory on a country-by-country and licensed product-by-licensed product basis until the later of (i) twelve years after the first commercial sale of such licensed product in such country and (ii) the first day of the month following the month in which a generic product corresponding to such licensed product is launched in such country. The royalty rates range from the high-single digits to low-double digits depending on the level of annual net sales. The royalty rates are subject to reduction during certain periods when there is no valid patent claim that covers a licensed product in a particular country.

On May 2, 2022, concurrent with the Company entering into the Betta License Agreement, the Company entered into Amendment #1 to the Equinox License Agreement, pursuant to which the Original Field was expanded to cover the prevention or treatment of ophthalmology indications using the Company’s proprietary localized delivery technologies and certain conforming changes were made to the Equinox License Agreement in connection therewith.

No R&D expense was recorded for the three months ended March 31, 2023 and 2022 related to this agreement, as no milestones were achieved.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value Measurements

12.Fair Value Measurements

The following tables summarize the Company’s assets by significant categories carried at fair value measured on a recurring basis at March 31, 2023 and December 31, 2022 by valuation hierarchy (in thousands):

	March 31, 2023
	Carrying Value		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cash Equivalents		Marketable Securities
Level 1:
Money market funds	$	99,794	$	—	$	—	$	99,794	$	99,794	$	—
Subtotal	$	99,794	$	—	$	—	$	99,794	$	99,794	$	—
Level 2:
Commercial paper	$	2,783	$	—	$	—	$	2,783	$	—	$	2,783
U.S. treasury securities		13,933		2		—		13,935		—		13,935
Subtotal	$	16,716	$	2	$	—	$	16,718	$	—	$	16,718
Total	$	116,510	$	2	$	—	$	116,512	$	99,794	$	16,718

	December 31, 2022
	Carrying Value		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash Equivalents		Marketable Securities
Level 1:
Money market funds	$	77,191	$	—	$	—		$	77,191	$	77,191	$	—
Subtotal	$	77,191	$	—	$	—		$	77,191	$	77,191	$	—
Level 2:
Commercial paper	$	18,701	$	—	$	—		$	18,701	$	—	$	18,701
U.S. Treasury securities		35,266		—		(55	)		35,211		4,984		30,227
Subtotal	$	53,967	$	—	$	(55	)	$	53,912	$	4,984	$	48,928
Total	$	131,158	$	—	$	(55	)	$	131,103	$	82,175	$	48,928

At March 31, 2023 and December 31, 2022, a total of $99.8 million and $77.2 million, or 100% and 93.9% of the Company’s interest-bearing cash equivalent balances, respectively, were concentrated in one institutional money market fund that had investments consisting primarily of certificates of deposit, commercial paper, time deposits, Treasury repurchase agreements and U.S. Treasury securities. At March 31, 2023, the Company has no interest-bearing cash equivalent balance consisting of investment-grade U.S. Treasury securities. At December 31, 2022, a total of $5.0 million, or 6.1%, of the Company’s interest-bearing cash equivalent balances, respectively, consisted of investment-grade U.S. Treasury securities. Generally, these deposits may be redeemed upon demand and, therefore, the Company believes they have minimal risk. Marketable securities consist of investments with an original or remaining maturity of greater than three months but less than one year at the date of purchase. The Company had investments of $16.7 million and $48.9 million in marketable securities at March 31, 2023 and December 31, 2022, respectively.

The Company’s cash equivalents and marketable securities are classified within Level 1 or Level 2 on the basis of valuations using quoted market prices or alternative pricing sources and models utilizing market observable inputs, respectively. The marketable securities have been valued on the basis of valuations provided by third-party pricing services, as derived from such services’ pricing models. Inputs to the models may include, but are not limited to, reported trades, executable bid and ask prices, broker/dealer quotations, prices or yields of securities with similar characteristics, benchmark curves or information pertaining to the issuer, as well as industry and economic events. The pricing services may use a matrix approach, which considers information regarding securities with similar characteristics to determine the valuation for a security, and have been classified as Level 2.

The carrying amounts of accounts receivable, accounts payable and accrued expenses approximate fair value because of their short-term maturity.

The carrying amounts of the short-term borrowings and long-term debt under the Company’s SVB Loan Agreement approximate the estimated fair value. These borrowings under the Credit Facilities have a variable interest rate structure and are classified within Level 2 of the fair value hierarchy.

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Contingencies

3 Months Ended

Mar. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Contingencies

13.Contingencies

Legal Proceedings

The Company is subject to various routine legal proceedings and claims incidental to its business, which management believes will not have a material effect on the Company’s financial position, results of operations or cash flows.

U.S. Department of Justice Subpoena

In August 2022, the Company received a subpoena from the U.S. Attorney’s Office for the District of Massachusetts seeking production of documents related to sales, marketing and promotional practices, including as pertain to DEXYCU® (DOJ Investigation). The Company is cooperating fully with the government in connection with this matter. At this time, the Company is unable to predict the duration, scope or outcome of this matter or whether it could have a material impact on the Company's financial condition, results of operation or cash flow.

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Net Loss per Share

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Net Loss per Share

14.Net Loss per Share

Basic net loss per share is computed by dividing the net loss by the weighted average number of common shares outstanding during the period. For periods in which the Company reports net income, diluted net income per share is determined by adding to the basic weighted average number of common shares outstanding the total number of dilutive common equivalent shares using the treasury stock method, unless the effect is anti-dilutive. Potentially dilutive shares were not included in the calculation of diluted net loss per share for each of the three months ended March 31, 2023 and 2022 as their inclusion would be anti-dilutive.

Potential common stock equivalents excluded from the calculation of diluted earnings per share because the effect would have been anti-dilutive were as follows:

	Three Months Ended March 31,
	2023		2022
Stock options		6,069,096		3,974,102
ESPP		19,539		7,964
Warrants		48,683		48,683
Restricted stock units		311,017		559,586
		6,448,335		4,590,335

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Related Party Transactions

3 Months Ended

Mar. 31, 2023

Related Party Transactions [Abstract]

Related Party Transactions

15.Related Party Transactions

The Chief Executive Officer of the Company joined the Board of Directors of Altasciences Company Inc. (Altasciences) in April 2021. In May 2021, Altasciences acquired Calvert Laboratories, Inc. (Calvert Labs), an entity with which the Company conducts business. The Company recorded $377,000 and $427,000 of research and development expense in the accompanying condensed consolidated statements of operations and comprehensive loss related to preclinical and analytical services provided by Altasciences for the three months ended March 31, 2023 and 2022, respectively. Additionally, the Company recorded amounts payable of $304,000 and $201,000, and prepaid expenses of $721,000 and $752,000 in the accompanying condensed consolidated balance sheets related to services provided by Altasciences, as of March 31, 2023 and December 31, 2022, respectively.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2023

Accounting Policies [Abstract]

Revenue Recognition

Revenue Recognition

Revenue is recognized when a customer obtains control of promised goods or services, in an amount that reflects the consideration which the entity expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that an entity determines are within the scope of ASC 606, Revenue from Contracts with Customers (ASC 606), the Company performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) the entity satisfies a performance obligation. The Company only applies the five-step model to contracts when it is probable that the entity will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC 606, the Company assesses the goods or services promised within the contract, determines those that are performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Sales, value-add and other taxes collected on behalf of third parties are excluded from revenue.

Product sales, net — The Company sells YUTIQ and DEXYCU to a limited number of specialty distributors and specialty pharmacies (collectively the Distributors) in the U.S., with whom the Company has entered into formal agreements, for delivery to physician practices for YUTIQ and to hospital outpatient departments and ambulatory surgical centers (ASCs) for DEXYCU. The Company recognizes revenue on sales of its products when Distributors obtain control of the products, which occurs at a point in time, typically upon delivery. In addition to agreements with Distributors, the Company also enters into arrangements with healthcare providers, ASCs and payors that provide for government mandated and/or privately negotiated rebates, chargebacks and discounts with respect to the purchase of the Company’s products from Distributors.

Reserves for variable consideration — Product sales are recorded at the wholesale acquisition costs, net of applicable reserves for variable consideration. Components of variable consideration include trade discounts and allowances, provider chargebacks and discounts, payor rebates, product returns and other allowances that are offered within contracts between the Company and its Distributors, payors and other contracted purchasers relating to the Company’s product sales. These reserves, as detailed below, are based on the amounts earned, or to be claimed on the related sales, and are classified either as reductions of product revenue and accounts receivable or a current liability, depending on how the amount is to be settled. Overall, these reserves reflect the Company’s best estimates of the amount of consideration to which it is entitled based on the terms of the respective underlying contracts. Actual amounts of consideration ultimately received may differ from the Company’s estimates. If actual results in the future vary from the estimates, the Company adjusts product revenue and earnings in the period such variances become known.

Distribution fees — The Company compensates its Distributors for services explicitly stated in the Company’s contracts and are recorded as a reduction of revenue in the period the related product sale is recognized.

Provider chargebacks and discounts — Chargebacks are discounts that represent the estimated obligations resulting from contractual commitments to sell products at prices lower than the list prices charged to the Company’s Distributors. These Distributors charge the Company for the difference between what they pay for the product and the Company’s contracted selling price. These reserves are established in the same period that the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability. Reserves for chargebacks consist of amounts that the Company expects to pay for units that remain in the distribution channel inventories at each reporting period-end that the Company expects will be sold under a contracted selling price, and chargebacks that Distributors have claimed, but for which the Company has not yet settled.

Government rebates — The Company is subject to discount obligations under state Medicaid programs and Medicare. These reserves are recorded in the same period the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability which is included in accrued expenses and other current liabilities on the condensed consolidated balance sheets. The Company’s liability for these rebates consists of invoices received for claims from prior quarters that have not been paid or for which an invoice has not yet been received, estimates of claims for the current quarter, and estimated future claims that will be made for product that has been recognized as revenue, but which remains in the distribution channel inventories at the end of each reporting period.

Payor rebates — The Company contracts with certain private payor organizations, primarily insurance companies, for the payment of rebates with respect to utilization of its products. The Company estimates these rebates and records such estimates in the same period the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability.

Co-Payment assistance — The Company offers co-payment assistance to commercially insured patients meeting certain eligibility requirements. The calculation of the accrual for co-pay assistance is based on an estimate of claims and the cost per claim that the Company expects to receive associated with product that has been recognized as revenue.

Product returns — The Company generally offers a limited right of return based on its returned goods policy, which includes damaged product and remaining shelf life. The Company estimates the amount of its product sales that may be returned and records this estimate as a reduction of revenue in the period the related product revenue is recognized, as well as reductions to trade receivables, net on the condensed consolidated balance sheets.

License and collaboration agreement revenue — The Company analyzes each element of its license and collaboration arrangements to determine the appropriate revenue recognition. The terms of the license agreement may include payment to the Company of non-refundable upfront license fees, milestone payments if specified objectives are achieved, and/or royalties on product sales. The Company recognizes revenue from upfront payments at a point in time, typically upon fulfilling the delivery of the associated intellectual property to the customer.

If the contract contains a single performance obligation, the entire transaction price is allocated to the single performance obligation. Contracts that contain multiple performance obligations require an allocation of the transaction price based on the estimated relative standalone selling prices of the promised products or services underlying each performance obligation. The Company determines standalone selling prices based on the price at which the performance obligation is sold separately. If the standalone selling price is not observable through past transactions, the Company estimates the standalone selling price taking into account available information such as market conditions and internally approved pricing guidelines related to the performance obligations.

The Company recognizes sales-based milestone payments as revenue upon the achievement of the cumulative sales amount specified in the contract in accordance with ASC 606-10-55-65. For those milestone payments which are contingent on the occurrence of particular future events, the Company determines that these need to be considered for inclusion in the calculation of total consideration from the contract as a component of variable consideration using the most-likely amount method. As such, the Company assesses each milestone to determine the probability and substance behind achieving each milestone. Given the inherent uncertainty associated with these future events, the Company will not recognize revenue from such milestones until there is a high probability of occurrence, which typically occurs near or upon achievement of the event.

When determining the transaction price of a contract, an adjustment is made if payment from a customer occurs either significantly before or significantly after performance, resulting in a significant financing component. Applying the practical expedient in paragraph 606-10-32-18, the Company does not assess whether a significant financing component exists if the period between when the Company performs its obligations under the contract and when the customer pays is one year or less. None of the Company’s contracts contained a significant financing component as of March 31, 2023.

Royalties — The Company recognizes revenue from license arrangements with its commercial partners’ net sales of products. Such revenues are included as royalty income. In accordance with ASC 606-10-55-65, royalties are recognized when the subsequent sale of the commercial partner’s products occurs. The Company’s commercial partners are obligated to report their net product sales and the resulting royalty due to the Company typically within 60-days from the end of each quarter. Based on historical product sales, royalty receipts and other relevant information, the Company recognizes royalty income each quarter and subsequently determines a true-up when it receives royalty reports and payment from its commercial partners. Historically, these true-up adjustments have been immaterial.

Sale of Future Royalties — The Company has sold its rights to receive certain royalties on product sales. In the circumstance where the Company has sold its rights to future royalties under a royalty purchase agreement (RPA) and also maintains limited continuing involvement in the arrangement (but not significant continuing involvement in the generation of the cash flows that are due to the purchaser), the Company defers recognition of the proceeds it receives for the sale of royalty streams and recognizes such unearned revenue as revenue under the units-of-revenue method over the life of the underlying license agreement. Under the units-of-revenue method, amortization for a reporting period is calculated by computing a ratio of the proceeds received from the purchaser to the total payments expected to be made to the purchaser over the term of the agreement, and then applying that ratio to the period’s cash payment.

Estimating the total payments expected to be received by the purchaser over the term of such arrangements requires management to use subjective estimates and assumptions. Changes to the Company’s estimate of the payments expected to be made to the purchaser over the term of such arrangements could have a material effect on the amount of revenues recognized in any particular period.

Research Collaborations — The Company recognizes revenue over the term of the statements of work under any funded research collaborations. Revenue recognition for consideration, if any, related to a license option right is assessed based on the terms of any such future license agreement or is otherwise recognized at the completion of the research collaborations.

Please refer to Note 3 for further details on the license and collaboration agreements into which the Company has entered and corresponding amounts of revenue recognized during the current and prior year periods.

Cost of sales, excluding amortization of acquired intangible assets — Cost of sales, excluding amortization of acquired intangible assets, consist of costs associated with the manufacture of YUTIQ and DEXYCU, certain period costs for DEXYCU product revenue, product shipping and, as applicable, royalty expense. The inventory costs for YUTIQ include purchases of various components, the active pharmaceutical ingredient (API) and direct labor and overhead for the product manufactured in the Company’s Watertown, Massachusetts facility. The inventory costs for DEXYCU include purchased components, the API and third-party manufacturing and assembly.

For the three months ended March 31, 2023 and 2022, the Company accrued DEXYCU product revenue-based royalty expense of $1,000 and $674,000, respectively, as a component of cost of sales.

Recently Adopted and Recently Issued Accounting Pronouncements

Recently Adopted and Recently Issued Accounting Pronouncements

New accounting pronouncements are issued periodically by the Financial Accounting Standards Board and are adopted by the Company as of the specified effective dates. The Company believes that recently issued and adopted pronouncements will not have a material impact on the Company’s financial position, results of operations and cash flows or do not apply to the Company’s operations.

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Revenue (Tables)

3 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Product Revenue Allowances and Reserves

The following table summarizes activity in each of the product revenue allowance and reserve categories for the three months ended March 31, 2023 and 2022 (in thousands):

	Chargebacks, Discounts			Government and Other
	and Fees			Rebates			Returns			Total
Beginning balance at January 1, 2023	$	859		$	158		$	871		$	1,888
Provision related to sales in the current year		823			—			—			823
Adjustments related to prior period sales		40			(40	)		(18	)		(18	)
Deductions applied and payments made		(846	)		(103	)		(32	)		(981	)
Ending balance at March 31, 2023	$	876		$	15		$	821		$	1,712
	Chargebacks, Discounts			Government and Other
	and Fees			Rebates			Returns			Total
Beginning balance at January 1, 2022	$	1,153		$	1,821		$	379		$	3,353
Provision related to sales in the current year		2,674			2,003			140			4,817
Adjustments related to prior period sales		—			—			—			—
Deductions applied and payments made		(1,904	)		(1,693	)		(87	)		(3,684	)
Ending balance at March 31, 2022	$	1,923		$	2,131		$	432		$	4,486

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Prepaid Expenses and Other Current Assets (Tables)

3 Months Ended

Mar. 31, 2023

Prepaid Expense and Other Assets, Current [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	March 31, 2023		December 31, 2022
Prepaid expenses	$	2,443	$	2,723
Prepaid clinical		6,638		6,353
Other		—		782
Total prepaid expenses and other current assets	$	9,081	$	9,858

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Inventory (Tables)

3 Months Ended

Mar. 31, 2023

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory consisted of the following (in thousands):

	March 31, 2023		December 31, 2022
Raw materials	$	1,274	$	1,410
Work in process		1,600		1,078
Finished goods		1,197		398
Total inventory	$	4,071	$	2,886

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Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2023

Payables and Accruals [Abstract]

Schedule of Accrued Expenses

Accrued expenses consisted of the following at March 31, 2023 and December 31, 2022 (in thousands):

	March 31,		December 31,
	2023		2022
Personnel costs	$	4,254	$	9,515
Clinical trial costs		3,287		3,308
Professional fees		920		761
Sales chargebacks, rebates and other revenue reserves		891		1,017
Commissions due to DEXYCU commercial partner		249		752
Other		884		1,006
Total accrued expenses	$	10,485	$	16,359

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Leases (Tables)

3 Months Ended

Mar. 31, 2023

Leases [Abstract]

Schedule of Supplemental Balance Sheet Information Related to Operating Leases

Supplemental balance sheet information related to operating leases as of March 31, 2023 and December 31, 2022 are as follows (in thousands):

	March 31,		December 31,
	2023		2022
Other current liabilities – operating lease current portion	$	754	$	543
Operating lease liabilities – noncurrent portion		5,721		5,984
Total operating lease liabilities	$	6,475	$	6,527

Future Minimum Lease Payments Under Non-Cancellable Leases

The Company’s total future minimum lease payments under non-cancellable leases at March 31, 2023 were as follows (in thousands):

	Operating Leases
Remainder of 2023	$	765
2024		1,392
2025		1,494
2026		1,589
2027		1,637
Thereafter		693
Total lease payments	$	7,570
Less imputed interest		(1,095	)
Total	$	6,475

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Loan Agreements (Tables)

3 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Scheduled Principal Payments for Debt

The Company’s scheduled principal payments for debt at March 31, 2023 were as follows (in thousands):

Remainder of 2023	$	—
2024		9,167
2025		10,000
2026		10,000
2027		833
Total	$	30,000

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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2023

Equity [Abstract]

Summary of Reconciliation of Warrants to Purchase Common Stock

The following table provides a reconciliation of fixed price warrants to purchase shares of the Company’s common stock for the three months ended March 31, 2023 and 2022:

	Three Months Ended March 31,
	2023				2022
			Weighted				Weighted
			Average				Average
	Number of		Exercise		Number of		Exercise
	Warrants		Price		Warrants		Price
Balance at beginning of period		48,683	$	12.33		48,683	$	12.33
Balance and exercisable at end of period		48,683	$	12.33		48,683	$	12.33

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Share-Based Payment Awards (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Stock Option Activity Under Plan

The following table provides a reconciliation of stock option activity under the Company’s equity incentive plans and for inducement awards for the three months ended March 31, 2023:

	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
						(in years)		(in thousands)
Outstanding at January 1, 2023		4,082,555		$	13.79
Granted		2,003,895			3.27
Exercised		—			—
Forfeited		(17,354	)		9.04
Expired		—			—
Outstanding at March 31, 2023		6,069,096		$	10.33		8.33	$	6
Exercisable at March 31, 2023		2,075,691		$	16.73		6.63	$	—

Schedule of Key Assumptions Used

In determining the grant date fair value of option awards during the three months ended March 31, 2023, the Company applied the Black-Scholes option pricing model based on the following key assumptions:

Option life (in years)	6.08
Stock volatility	78% - 79%
Risk-free interest rate	3.54% - 3.95%
Expected dividends	0.0%

Summary of Information about Stock Options

The following table summarizes information about employee, non-executive director and external consultant stock options for the three months ended March 31, 2023 (in thousands except per share amount):

	Three Months
	Ended
	March 31, 2023
Weighted average grant date fair value per share	$	2.28
Total cash received from exercise of stock options		—
Total intrinsic value of stock options exercised		—

Summary of Restricted Stock Unit Activity

The following table provides a reconciliation of RSU activity under the 2016 Plan for the three months ended March 31, 2023:

	Number of Restricted Stock Units			Weighted Average Grant Date Fair Value
Nonvested at January 1, 2023		509,170		$	10.81
Granted		—			—
Vested		(196,102	)		11.12
Forfeited		(2,051	)		10.74
Nonvested at March 31, 2023		311,017		$	10.62

Compensation Expense from Stock-Based Payment Awards

The Company’s condensed consolidated statements of comprehensive loss included total compensation expense from stock-based payment awards for the three months ended March 31, 2023 and 2022, respectively, as follows (in thousands):

	Three Months Ended March 31,
	2023		2022
Compensation expense included in:
Research and development	$	1,240	$	1,473
Sales and marketing		430		409
General and administrative		1,380		1,595
	$	3,050	$	3,477

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

Assets and Liabilities Carried at Fair Value Measured on Recurring Basis

The following tables summarize the Company’s assets by significant categories carried at fair value measured on a recurring basis at March 31, 2023 and December 31, 2022 by valuation hierarchy (in thousands):

	March 31, 2023
	Carrying Value		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cash Equivalents		Marketable Securities
Level 1:
Money market funds	$	99,794	$	—	$	—	$	99,794	$	99,794	$	—
Subtotal	$	99,794	$	—	$	—	$	99,794	$	99,794	$	—
Level 2:
Commercial paper	$	2,783	$	—	$	—	$	2,783	$	—	$	2,783
U.S. treasury securities		13,933		2		—		13,935		—		13,935
Subtotal	$	16,716	$	2	$	—	$	16,718	$	—	$	16,718
Total	$	116,510	$	2	$	—	$	116,512	$	99,794	$	16,718

	December 31, 2022
	Carrying Value		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash Equivalents		Marketable Securities
Level 1:
Money market funds	$	77,191	$	—	$	—		$	77,191	$	77,191	$	—
Subtotal	$	77,191	$	—	$	—		$	77,191	$	77,191	$	—
Level 2:
Commercial paper	$	18,701	$	—	$	—		$	18,701	$	—	$	18,701
U.S. Treasury securities		35,266		—		(55	)		35,211		4,984		30,227
Subtotal	$	53,967	$	—	$	(55	)	$	53,912	$	4,984	$	48,928
Total	$	131,158	$	—	$	(55	)	$	131,103	$	82,175	$	48,928

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Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Potentially Dilutive Securities Excluded from Computation of Diluted Weighted-Average Shares

Potential common stock equivalents excluded from the calculation of diluted earnings per share because the effect would have been anti-dilutive were as follows:

	Three Months Ended March 31,
	2023		2022
Stock options		6,069,096		3,974,102
ESPP		19,539		7,964
Warrants		48,683		48,683
Restricted stock units		311,017		559,586
		6,448,335		4,590,335

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Operations - Additional Information (Detail) $ in Millions	Mar. 31, 2023 USD ($)
Operations [Line Items]
Cash, cash equivalents and investments in marketable securities	$ 122.5

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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
DEXYCU [Member]
Schedule Of Significant Accounting Policies [Line Items]
Accrued revenue-based royalty expense	$ 1,000	$ 674,000

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Revenue - Product Revenue Allowance and Reserves (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disclosure Of Product Revenue Reserves And Allowances [Line Items]
Beginning balance	$ 1,888	$ 3,353
Provision related to sales in the current year	823	4,817
Adjustments related to prior period sales	(18)	0
Deductions applied and payments made	(981)	(3,684)
Ending balance	1,712	4,486
Chargebacks, Discounts and Fees [Member]
Disclosure Of Product Revenue Reserves And Allowances [Line Items]
Beginning balance	859	1,153
Provision related to sales in the current year	823	2,674
Adjustments related to prior period sales	40	0
Deductions applied and payments made	(846)	(1,904)
Ending balance	876	1,923
Government and Other Rebates [Member]
Disclosure Of Product Revenue Reserves And Allowances [Line Items]
Beginning balance	158	1,821
Provision related to sales in the current year	0	2,003
Adjustments related to prior period sales	(40)	0
Deductions applied and payments made	(103)	(1,693)
Ending balance	15	2,131
Returns [Member]
Disclosure Of Product Revenue Reserves And Allowances [Line Items]
Beginning balance	871	379
Provision related to sales in the current year	0	140
Adjustments related to prior period sales	(18)	0
Deductions applied and payments made	(32)	(87)
Ending balance	$ 821	$ 432

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Revenue - Additional Information (Detail) - USD ($)		3 Months Ended
	Dec. 31, 2020	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Revenue		$ 7,683,000	$ 9,294,000
Ocumension Therapeutics [Member] | Share Offering [Member]
Disaggregation Of Revenue [Line Items]
Issuance of stock, net of issue costs, shares	3,010,722
RPA [Member] | SWK [Member]
Disaggregation Of Revenue [Line Items]
Upfront cash payment		16,500,000
Revenue		255,000	225,000
Royalty payments		727,000	724,000
Deferred revenue, current		1,200,000		$ 1,200,000
Deferred revenue, non-current		13,300,000		$ 13,600,000
Product [Member]
Disaggregation Of Revenue [Line Items]
Revenue		7,394,000	9,010,000
Product [Member] | Ocumension Therapeutics [Member]
Disaggregation Of Revenue [Line Items]
Revenue		11,000	56,000
License and Collaboration Agreement [Member]
Disaggregation Of Revenue [Line Items]
Revenue		34,000	59,000
License and Collaboration Agreement [Member] | Ocumension Therapeutics [Member]
Disaggregation Of Revenue [Line Items]
Revenue		30,000	59,000
Royalty Income [Member]
Disaggregation Of Revenue [Line Items]
Revenue		255,000	225,000
Royalty Income [Member] | Ocumension Therapeutics [Member]
Disaggregation Of Revenue [Line Items]
Revenue		0	0
Product Sales, License and Collaboration Revenue, or Royalty Income [Member] | Exclusive License Agreement with Betta Pharmaceuticals, Co., Ltd.
Disaggregation Of Revenue [Line Items]
Revenue		0	0
Collaborative Research and Development [Member]
Disaggregation Of Revenue [Line Items]
Revenue		$ 0	$ 0

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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Prepaid Expense and Other Assets, Current [Abstract]
Prepaid expenses	$ 2,443	$ 2,723
Prepaid clinical	6,638	6,353
Other	0	782
Total prepaid expenses and other current assets	$ 9,081	$ 9,858

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Inventory - Schedule of Inventory (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Raw materials	$ 1,274	$ 1,410
Work in process	1,600	1,078
Finished goods	1,197	398
Total inventory	$ 4,071	$ 2,886

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Intangible Assets - Reconciliation of Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 0	$ (615)

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Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 0	$ 615

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Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Personnel costs	$ 4,254	$ 9,515
Clinical trial costs	3,287	3,308
Professional fees	920	761
Sales chargebacks, rebates and other revenue reserves	891	1,017
Commissions due to DEXYCU commercial partner	249	752
Other	884	1,006
Total accrued expenses	$ 10,485	$ 16,359

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Leases - Additional Information (Detail)			3 Months Ended
	Jan. 23, 2023 USD ($) ft² Tranche	Mar. 08, 2022 USD ($) ft² Tranche	Mar. 31, 2023 USD ($) ft²	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)
Disclosure Of Leases [Line Items]
Estimates total lease initial noncancellable amount			$ 7,570,000
Lease liabilities			6,475,000		$ 6,527,000		$ 2,900,000
ROU assets			$ 5,777,000		$ 6,038,000		$ 2,900,000
Operating lease weighted average remaining lease term			5 years
Operating lease weighted average discount rate			5.84%
Operating lease expense			$ 355,000	$ 229,000
Variable lease cost			45,000	3,000
Operating lease payments			145,000	242,000
Finance lease, financing cash flows			18,000	33,000
ASC 842 [Member]
Disclosure Of Leases [Line Items]
Lease liabilities			0
ROU assets			0
Research and Development Expense [Member]
Disclosure Of Leases [Line Items]
Operating lease expense			291,000	159,000
Sales and Marketing Expense [Member]
Disclosure Of Leases [Line Items]
Operating lease expense			0	28,000
General and Administrative Expense [Member]
Disclosure Of Leases [Line Items]
Operating lease expense			64,000	$ 42,000
New Premises [Member]
Disclosure Of Leases [Line Items]
Lease liabilities						$ 1,600,000
ROU assets						$ 1,700,000
Massachusetts [Member]
Disclosure Of Leases [Line Items]
Lease not yet commenced term	The lease term will commence upon the substantial completion of construction to prepare the premises for the Company’s intended use, which is currently expected to occur during the second half of 2024, provided, however, that the Company’s obligation to pay base rent will begin four months following the commencement of the lease term.
Estimates total lease initial noncancellable amount	$ 40,800,000
Term of contract	15 years 4 months
Lessee operating lease not yet commenced option to extend	The Company is responsible for real estate taxes, maintenance, and other operating expenses applicable to the leased premises. As of the date the condensed consolidated financial statements were issued, construction had not yet commenced and a lease commencement date in accordance with ASC 842, Leases, had not occurred, as such, no ROU or lease liability has been recorded as of March 31, 2023.
Massachusetts [Member] | New Premises [Member]
Disclosure Of Leases [Line Items]
Area of leased office and laboratory space | ft²	40,000
Original lease term	15 years 4 months
Lease existence of option to extend	true
Lease option to extend	The lease includes a lease term of fifteen years and four months, with two options to extend the lease term for two additional terms of either five years or ten years at 95% of the then-prevailing fair market rent.
Number of renewal options | Tranche	2
Lease renewal rate at 95% of market rent at time of renewal	95.00%
Massachusetts [Member] | Minimum [Member] | New Premises [Member]
Disclosure Of Leases [Line Items]
Additional lease renewal option period	5 years
Massachusetts [Member] | Maximum [Member]
Disclosure Of Leases [Line Items]
Construction allowance			$ 670,750
Massachusetts [Member] | Maximum [Member] | New Premises [Member]
Disclosure Of Leases [Line Items]
Additional lease renewal option period	10 years
Massachusetts [Member] | Original Lease [Member]
Disclosure Of Leases [Line Items]
Area of leased office and laboratory space | ft²			13,650
Original lease term			5 years
Lease expiration month year			2019-04
Massachusetts [Member] | Second Amendment Lease [Member]
Disclosure Of Leases [Line Items]
Lease commencement date			Sep. 10, 2018
Lease term expiration date			May 31, 2025
Additional Space leased | ft²			6,590
Irrevocable standby letter of credit			$ 150,000
Massachusetts [Member] | Third Amendment Lease [Member]
Disclosure Of Leases [Line Items]
Area of leased office and laboratory space | ft²			1,409
Lease commencement date			Jul. 01, 2021
Lease term expiration date			May 31, 2025
Massachusetts [Member] | Fourth Amendment Lease [Member]
Disclosure Of Leases [Line Items]
Lease term expiration date		May 31, 2028
Termination of property area | ft²		7,999
Lease existence of option to extend			true
Area of leased office space | ft²		13,650
Number of renewal options | Tranche		1
Additional lease renewal option period		5 years
Massachusetts [Member] | Fourth Amendment Lease [Member] | New Premises [Member]
Disclosure Of Leases [Line Items]
Additional Space leased | ft²		11,999
Massachusetts [Member] | Fourth Amendment Lease [Member] | Maximum [Member]
Disclosure Of Leases [Line Items]
Construction allowance		$ 555,960

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Leases - Supplemental Balance Sheet Related to Operating Leases (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022
Leases [Abstract]
Other current liabilities – operating lease current portion	$ 754	$ 543
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other current liabilities	Other current liabilities
Operating lease liabilities - noncurrent	$ 5,721	$ 5,984
Total operating lease liabilities	$ 6,475	$ 6,527	$ 2,900

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Leases - Future Minimum Lease Payments Under Non-Cancellable Leases (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022
Operating Leases
Remainder of 2023	$ 765
2024	1,392
2025	1,494
2026	1,589
2027	1,637
Thereafter	693
Total future minimum lease payments	7,570
Less imputed interest	(1,095)
Total	$ 6,475	$ 6,527	$ 2,900

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Loan Agreements - Additional Information (Detail)			3 Months Ended
	Mar. 09, 2022 USD ($) Installment	Feb. 13, 2019 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Loan Agreement [Line Items]
Proceeds from issuance of long-term debt			$ 0	$ 30,000,000
Loss on extinguishment of debt			0	(1,559,000)
Borrowings under revolving facility			5,300,000	11,459,000
Payment of exit fee			0	2,294,000
Cash and cash equivalents			105,765,000	101,545,000	$ 95,633,000
RPA [Member] | SWK Funding LLC [Member]
Loan Agreement [Line Items]
Upfront cash payment			16,500,000
First Citizens BancShares, Inc. [Member]
Loan Agreement [Line Items]
Amortization of debt discount (premium)			60,000	$ 18,000
First Citizens BancShares, Inc. [Member] | Minimum [Member]
Loan Agreement [Line Items]
Cash and cash equivalents			$ 50,000,000
First Citizens BancShares, Inc. [Member] | Senior Secured Term Loan [Member]
Loan Agreement [Line Items]
Agreement date	Mar. 09, 2022
Senior secured term loan borrowing facility	$ 30,000,000.0
Proceeds from issuance of long-term debt	$ 30,000,000.0
Debt instrument effective rate	5.50%
Line of credit facility commencing date	Feb. 01, 2024
Number of consecutive equal monthly installment | Installment	36
Exit fee percentage of the aggregate principal amount	2.00%
Payment of exit fee	$ 600,000
First Citizens BancShares, Inc. [Member] | Senior Secured Term Loan [Member] | Prime Rate Margin [Member]
Loan Agreement [Line Items]
Revolving line bears interest rate	2.25%
First Citizens BancShares, Inc. [Member] | Senior Secured Term Loan [Member] | Loan Prepayment Prior to First Anniversary [Member]
Loan Agreement [Line Items]
Principal prepayment premium percentage	3.00%
First Citizens BancShares, Inc. [Member] | Senior Secured Term Loan [Member] | Loan Prepayment After First Anniversary and Prior to Second Anniversary [Member]
Loan Agreement [Line Items]
Principal prepayment premium percentage	2.00%
First Citizens BancShares, Inc. [Member] | Senior Secured Term Loan [Member] | Loan Prepayment After Second Anniversary and Prior to Third Anniversary [Member]
Loan Agreement [Line Items]
Principal prepayment premium percentage	1.00%
First Citizens BancShares, Inc. [Member] | Senior Secured Term Loan [Member] | Loan Prepayment After Third Anniversary and Prior to Maturity Date [Member]
Loan Agreement [Line Items]
Principal prepayment premium percentage	0.50%
First Citizens BancShares, Inc. [Member] | Senior Secured Revolving Credit Facility [Member]
Loan Agreement [Line Items]
Senior secured revolving credit facility	$ 15,000,000.0
Borrowings under revolving facility	$ 11,500,000
Unused commitment fee	0.25%
First Citizens BancShares, Inc. [Member] | Senior Secured Revolving Credit Facility [Member] | Loan Termination Prior to First Anniversary [Member]
Loan Agreement [Line Items]
Termination percentage	3.00%
First Citizens BancShares, Inc. [Member] | Senior Secured Revolving Credit Facility [Member] | Loan Termination After First Anniversary [Member]
Loan Agreement [Line Items]
Termination percentage	1.00%
First Citizens BancShares, Inc. [Member] | Senior Secured Revolving Credit Facility and Senior Secured Term Loan[Member]
Loan Agreement [Line Items]
Maturity date	Jan. 01, 2027
CRG Servicing LLC [Member] | Senior Secured Term Loan [Member]
Loan Agreement [Line Items]
Agreement date		Feb. 13, 2019
Senior secured revolving credit facility		$ 60,000,000

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Loan Agreements - Scheduled Principal Payments of Debt (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Debt Disclosure [Abstract]
Remainder of 2023	$ 0
2024	9,167
2025	10,000
2026	10,000
2027	833
Total	$ 30,000

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Stockholders' Equity - Equity Financings - Additional Information (Detail) - shares	1 Months Ended	3 Months Ended
	Aug. 31, 2020	Mar. 31, 2023	Mar. 31, 2022
Equity Financings [Member] | Common Stock [Member]
Class Of Stock [Line Items]
Common stock issued		0	0
At-the-Market Offering [Member]
Class Of Stock [Line Items]
Stock issuances, sales agent commission maximum percentage	3.00%
At-the-Market Offering [Member] | Common Stock [Member]
Class Of Stock [Line Items]
Common stock issued		0	0

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Stockholders' Equity - Summary of Reconciliation of Warrants to Purchase Share of the Company's Common Stock (Detail) - $ / shares	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Stockholders' Equity Note [Abstract]
Number of Warrants, Outstanding and exercisable, Beginning balance	48,683	48,683	48,683
Number of Warrants, Outstanding and exercisable, Ending balance	48,683	48,683	48,683
Weighted Average Exercise Price, Outstanding and exercisable, Beginning balance	$ 12.33	$ 12.33	$ 12.33
Weighted Average Exercise Price, Outstanding and exercisable, Ending balance	$ 12.33	$ 12.33	$ 12.33

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Stockholders' Equity - Warrants to Purchase Common Shares - Additional Information (Detail) - Senior Secured Term Loan [Member] - Warrants [Member] - $ / shares			3 Months Ended
	Jun. 26, 2018	Mar. 28, 2018	Mar. 31, 2023
SWK [Member]
Class Of Stock [Line Items]
Warrants issued to purchase shares of common stock	7,773	40,910
Exercise price of issued warrants	$ 19.30	$ 11.00
Warrants exercise period	7 years	7 years
Investor [Member]
Class Of Stock [Line Items]
Weighted average remaining life of lender warrants			2 years 10 days

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Share-Based Payment Awards - Equity Incentive Plan - Additional Information (Detail) - 2016 Long Term Incentive Plan [Member] - shares	Mar. 31, 2023	Nov. 10, 2022	Jun. 22, 2021	Jun. 25, 2019	Dec. 12, 2016
Class Of Stock [Line Items]
Number of common stock, authorized for issuance		2,000,000	2,500,000	1,100,000	300,000
Shares available for grant under the Long Term Incentive Plan, including forfeited and terminated awards transferred from the 2008 Incentive Plan	156,000

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Share-Based Payment Awards - Stock Option Activity Under Company's Equity Incentive Plan (Detail) - Equity Incentive Plans and Inducement Awards [Member] $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Options Outstanding, Beginning balance | shares	4,082,555
Number of Options, Granted | shares	2,003,895
Number of Options, Exercised | shares	0
Number of Options, Forfeited | shares	(17,354)
Number of Options, Expired | shares	0
Number of Options Outstanding, Ending balance | shares	6,069,096
Number of Options, Exercisable at March 31, 2023 | shares	2,075,691
Weighted Average Exercise Price Outstanding, Beginning balance | $ / shares	$ 13.79
Weighted Average Exercise Price, Granted | $ / shares	3.27
Weighted Average Exercise Price, Exercised | $ / shares	0
Weighted Average Exercise Price, Forfeited | $ / shares	9.04
Weighted Average Exercise Price, Expired | $ / shares	0
Weighted Average Exercise Price Outstanding, Ending balance | $ / shares	10.33
Weighted Average Exercise Price, Exercisable at March 31, 2023 | $ / shares	$ 16.73
Weighted Average Remaining Contractual Life, Outstanding at March 31, 2023	8 years 3 months 29 days
Weighted Average Remaining Contractual Life, Exercisable at March 31, 2023	6 years 7 months 17 days
Aggregate Intrinsic Value, Outstanding at March 31, 2023 | $	$ 6
Aggregate Intrinsic Value, Exercisable at March 31, 2023 | $	$ 0

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Share-Based Payment Awards - Stock Options - Additional Information (Detail) - shares	3 Months Ended	26 Months Ended
	Mar. 31, 2023	Mar. 31, 2023
2016 Long Term Incentive Plan [Member]
Class Of Stock [Line Items]
Ceased ratable monthly vesting period		4 years
Contractual life of option grants	10 years
Stock Compensation Plan [Member]
Class Of Stock [Line Items]
Ratable monthly vesting period	1 year	1 year
Cliff vesting period	3 years	3 years
Common stock vested during the period	509,000

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Share-Based Payment Awards - Summary of Company Applied the Black-Scholes Option Pricing (Detail) - 2016 Long Term Incentive Plan [Member]	3 Months Ended
	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option life (in years)	6 years 29 days
Stock volatility, minimum	78.00%
Stock volatility, maximum	79.00%
Risk-free interest rate, minimum	3.54%
Risk-free interest rate, maximum	3.95%
Expected dividends	0.00%

XML

Share-Based Payment Awards - Summary of Information about Stock Options (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Total cash received from exercise of stock options	$ 248	$ 241
Equity Incentive Plans [Member]
Weighted-average grant date fair value per share	$ 2.28
Total cash received from exercise of stock options	$ 0
Total intrinsic value of stock options exercised	$ 0

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Share-Based Payment Awards - Time-Vested Restricted Stock Units - Additional Information (Detail) - RSU [Member] - 2016 Long Term Incentive Plan [Member]	3 Months Ended
	Mar. 31, 2023
Class Of Stock [Line Items]
Ratable annual vesting period of equity awards	3 years
Weighted average remaining vesting term	1 year 4 months 9 days

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Share-Based Payment Awards - Summary of Restricted Stock Unit Activity (Detail) - 2016 Long Term Incentive Plan [Member] - RSU [Member]	3 Months Ended
	Mar. 31, 2023 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Stock Units Outstanding, Beginning Balance | shares	509,170
Number of stock units, Granted | shares	0
Number of Stock Units, Vested | shares	(196,102)
Number of Stock Units, Forfeited | shares	(2,051)
Number of Stock Units Outstanding, Ending Balance | shares	311,017
Weighted Average Grant Date Fair Value Nonvested, Beginning balance | $ / shares	$ 10.81
Weighted average grant date fair value, Granted | $ / shares	0
Weighted Average Grant Date Fair value, Vested | $ / shares	11.12
Weighted Average Grant Date Fair value, Forfeited | $ / shares	10.74
Weighted Average Grant Date Fair Value Nonvested, Ending balance | $ / shares	$ 10.62

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Share-Based Payment Awards - Employee Stock Purchase Plan - Additional Information (Detail) - USD ($)		3 Months Ended
	Jun. 25, 2019	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Jun. 22, 2021
Class Of Stock [Line Items]
Employee stock purchase plan		$ 248,000	$ 201,000
Common stock, shares issued		34,301,926		34,082,934
Stock-based compensation expense		$ 3,050,000	3,477,000
ESPP [Member]
Class Of Stock [Line Items]
Number of common stock, authorized for issuance	110,000				250,000
Price of common stock purchased twice a year under ESPP, percent	85.00%
Employee stock purchase plan	$ 25,000
Employee stock purchase plan, shares	5,000
Consecutive six month offering period	Aug. 01, 2019
Common stock, shares issued		63,721
Stock-based compensation expense		$ 47,000	$ 33,000

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Share-Based Payment Awards - Compensation Expense from Stock-Based Payment Awards (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense	$ 3,050	$ 3,477
Research and Development Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense	1,240	1,473
Sales and Marketing [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense	430	409
General and Administrative Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense	$ 1,380	$ 1,595

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Share-Based Payment Awards - Stock-Based Compensation Expense - Additional Information (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Share-Based Payment Arrangement [Abstract]
Unrecognized compensation expense	$ 11.9
Unrecognized compensation expense weighted average period	1 year 8 months 12 days

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License and Asset Purchase Agreements - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended
	Feb. 29, 2020	Mar. 31, 2023	Mar. 31, 2022
Collaborative Agreements And Contracts [Line Items]
Research and development		$ 13,618,000	$ 9,945,000
Equinox Science, LLC [Member]
Collaborative Agreements And Contracts [Line Items]
Non-refundable and non-creditable upfront cash payment	$ 1,000,000.0
Research and development		$ 0	$ 0
Equinox Science, LLC [Member] | Maximum [Member]
Collaborative Agreements And Contracts [Line Items]
Payment upon achievement of development and regulatory milestones	$ 50,000,000

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Fair Value Measurements - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable Securities	$ 16,718	$ 48,928
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value	116,510	131,158
Gross Unrealized Gains	2	0
Gross Unrealized Losses	0	(55)
Fair Value	116,512	131,103
Cash Equivalents	99,794	82,175
Marketable Securities	16,718	48,928
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value	99,794	77,191
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	99,794	77,191
Cash Equivalents	99,794	77,191
Marketable Securities	0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value	99,794	77,191
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	99,794	77,191
Cash Equivalents	99,794	77,191
Marketable Securities	0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value	16,716	53,967
Gross Unrealized Gains	2	0
Gross Unrealized Losses	0	(55)
Fair Value	16,718	53,912
Cash Equivalents	0	4,984
Marketable Securities	16,718	48,928
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Commercial Paper [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value	2,783	18,701
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	2,783	18,701
Cash Equivalents	0	0
Marketable Securities	2,783	18,701
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Treasury Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value	13,933	35,266
Gross Unrealized Gains	2	0
Gross Unrealized Losses	0	(55)
Fair Value	13,935	35,211
Cash Equivalents	0	4,984
Marketable Securities	$ 13,935	$ 30,227

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Fair Value Measurements - Additional Information (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	$ 16,718,000	$ 48,928,000
Interest-bearing cash equivalent consisted of money market fund	99,800,000	77,200,000
Interest-bearing cash equivalent consisted of investment-grade U.S.Treasury securities	$ 0	$ 5,000,000.0
Investment Instruments [Member] | Credit Concentration Risk [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of concentration risk	100.00%	93.90%
Investment Instruments [Member] | Credit Concentration Risk [Member] | US Treasury Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of concentration risk		6.10%

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Net Loss per Share - Potentially Dilutive Securities Excluded from Computation of Diluted Weighted-Average Shares (Detail) - shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock equivalents outstanding excluded from diluted earnings per share calculation	6,448,335	4,590,335
Stock options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock equivalents outstanding excluded from diluted earnings per share calculation	6,069,096	3,974,102
ESPP [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock equivalents outstanding excluded from diluted earnings per share calculation	19,539	7,964
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock equivalents outstanding excluded from diluted earnings per share calculation	48,683	48,683
Restricted stock units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock equivalents outstanding excluded from diluted earnings per share calculation	311,017	559,586

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Related Party Transactions - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Research and development expense	$ 13,618,000	$ 9,945,000
Prepaid expenses	2,443,000		$ 2,723,000
Altasciences Company Inc [Member]
Related Party Transaction [Line Items]
Research and development expense	377,000	$ 427,000
Related parties payable	304,000		201,000
Prepaid expenses	$ 721,000		$ 752,000