Biggest changeFor awards only subject to service-based vesting conditions, we elected to recognize stock-based compensation expense on a straight-line basis. 117 Table of Contents Results of Operations Comparison of the Years Ended December 31, 2024 and 2023 The following table summarizes our results of operations for the years ended December 31, 2024 and 2023 (in thousands, except share and per share amounts): Year ended December 31, 2024 2023 Revenues: Product sales, net $ 381,677 $ 202,460 License revenue — 65,735 Royalty and milestone revenue 4,016 2,405 Total revenues 385,693 270,600 Operating expenses: Cost of revenue (excluding amortization and depreciation) 33,303 26,065 Research and development 187,077 97,944 Selling, general and administrative 411,359 323,123 Loss in fair value of contingent consideration 28,124 48,918 Intangible asset amortization 6,392 6,375 Total operating expenses 666,255 502,425 Loss from operations (280,562 ) (231,825 ) Interest expense, net (6,569 ) (6,453 ) Loss before income taxes (287,131 ) (238,278 ) Income tax expense (85 ) (960 ) Net loss $ (287,216 ) $ (239,238 ) Net loss per common share, basic and diluted $ (5.99 ) $ (5.27 ) Weighted average common shares outstanding, basic and diluted 47,914,253 45,425,212 Product sales, net.
Biggest changeResults of Operations Comparison of the Years Ended December 31, 2025 and 2024 The following table summarizes our results of operations for the years ended December 31, 2025 and 2024 (in thousands, except share and per share amounts): Year ended December 31, 2025 2024 Revenues: Product sales, net $ 633,796 $ 381,677 Royalty revenue and milestone revenue 4,700 4,016 Total revenues 638,496 385,693 Operating expenses: Cost of revenue (excluding amortization and depreciation) 47,478 33,303 Research and development 183,279 187,077 Selling, general and administrative 570,599 411,359 Loss (Gain) in fair value of contingent consideration (2,473 ) 28,124 Intangible asset amortization 6,375 6,392 Total operating expenses 805,258 666,255 Loss from operations (166,762 ) (280,562 ) Interest expense, net (6,557 ) (6,569 ) Loss on debt extinguishment (10,385 ) — Loss before income taxes (183,704 ) (287,131 ) Income tax benefit (expense) 530 (85 ) Net loss $ (183,174 ) $ (287,216 ) Net loss per common share, basic and diluted $ (3.68 ) $ (5.99 ) Weighted average common shares outstanding, basic and diluted 49,747,178 47,914,253 Product sales, net.
Pfizer can also receive up to $323 million upon the achievement of certain regulatory and sales milestones, and tiered mid-single to low double-digit royalties on future sales of any such approved clinical products containing compounds reboxetine esreboxetine. Pfizer will also have a right of first negotiation on any potential future strategic transactions involving AXS-12 and AXS-14.
Pfizer can also receive up to $323 million upon the achievement of certain regulatory and sales milestones, and tiered mid-single to low double-digit royalties on future sales of any such approved clinical products containing compounds reboxetine and esreboxetine. Pfizer will also have a right of first negotiation on any potential future strategic transactions involving AXS-12 and AXS-14.
Our future capital requirements will depend on many factors, including: • the scope, rate of progress, results, and cost of our clinical studies and other related activities; • our ability to enter into collaborative agreements for the development and commercialization of our product candidates; 122 Table of Contents • the number and development requirements of any other product candidates that we pursue; • the costs, timing, and outcome of regulatory reviews of our product candidates; • the costs and timing of our commercialization activities, including product manufacturing, marketing, sales, and distribution, for any of our products and product candidates for which we receive marketing approval; • any product liability or other lawsuits related to our product candidates; • the expenses needed to attract and retain skilled personnel; • the general and administrative expenses related to being a public company; • the revenue received from commercial sales of our products and product candidates for which we receive marketing approval; and • the costs involved in preparing, filing, and prosecuting patent applications, maintaining and enforcing our intellectual property rights, and defending our intellectual property‑related claims.
Our future capital requirements will depend on many factors, including: • the scope, rate of progress, results, and cost of our clinical studies and other related activities; • our ability to enter into collaborative agreements for the development and commercialization of our product candidates; • the number and development requirements of any other product candidates that we pursue; • the costs, timing, and outcome of regulatory reviews of our product candidates; • the costs and timing of our commercialization activities, including product manufacturing, marketing, sales, and distribution, for any of our products and product candidates for which we receive marketing approval; • any product liability or other lawsuits related to our product candidates; • the expenses needed to attract and retain skilled personnel; • the general and administrative expenses related to being a public company; • the revenue received from commercial sales of our products and product candidates for which we receive marketing approval; and • the costs involved in preparing, filing, and prosecuting patent applications, maintaining and enforcing our intellectual property rights, and defending our intellectual property‑related claims.
Selling, general and administrative expenses Selling, general and administrative expenses primarily consist of salaries and related costs for personnel in executive, commercial, finance, and operational functions, including stock-based compensation and travel expenses.
Selling, general and administrative expenses Selling, general and administrative expenses consist of salaries and related costs for personnel in executive, commercial, finance, and operational functions, including stock-based compensation and travel expenses.
If the fair value estimate is less than the carrying value, goodwill is considered impaired for the amount by which the carrying amount exceeds the reporting unit’s fair value, and a charge is reported in impairment of goodwill in our consolidated statements of operations. As of December 31, 2024, we determined that we have one reporting unit.
If the fair value estimate is less than the carrying value, goodwill is considered impaired for the amount by which the carrying amount exceeds the reporting unit’s fair value, and a charge is reported in impairment of goodwill in our consolidated statements of operations. As of December 31, 2025, we determined that we have one reporting unit.
We have not identified any events or changes in circumstances that indicate the existence of potential impairment of goodwill during the year ended December 31, 2024. Intangible asset The intangible asset is amortized using the straight-line method over its estimated period of benefit of ten years.
We have not identified any events or changes in circumstances that indicate the existence of potential impairment of goodwill during the year ended December 31, 2025. Intangible asset The intangible asset is amortized using the straight-line method over its estimated period of benefit of ten years.
At the time any of our securities covered by the 2022 Shelf Registration Statement are offered for sale, a prospectus supplement will be prepared and filed with the SEC containing specific information about the terms of any such offering.
At the time any of our securities covered by the 2025 Shelf Registration Statement are offered for sale, a prospectus supplement will be prepared and filed with the SEC containing specific information about the terms of any such offering.
At the time any of our securities covered by the 2022 Shelf Registration Statement are offered for sale, a prospectus supplement will be prepared and filed with the SEC containing specific information about the terms of any such offering.
At the time any of our securities covered by the 2025 Shelf Registration Statement are offered for sale, a prospectus supplement will be prepared and filed with the SEC containing specific information about the terms of any such offering.
In the future, we may conduct additional offerings of one or more of these securities utilizing the 2022 Shelf Registration Statement in such amounts, prices and terms to be announced when and if the securities are offered.
In the future, we may conduct additional offerings of one or more of these securities utilizing the 2025 Shelf Registration Statement in such amounts, prices and terms to be announced when and if the securities are offered.
“Business” for a summary of our clinical programs. Since our incorporation in January 2012, our operations to date have included organizing and staffing our company, business planning, raising capital, developing our compounds, engaging in other discovery and preclinical activities, the commercial launches of Auvelity and Sunosi, and preparatory activities for the launch of Symbravo.
“Business” for a summary of our marketed products and clinical development programs. Since our incorporation in January 2012, our operations to date have included organizing and staffing our company, business planning, raising capital, developing our compounds, engaging in other discovery and preclinical activities, the commercial launches of AUVELITY and SUNOSI, and preparatory activities for the launch of SYMBRAVO.
Funding Requirements We have not achieved profitability since our inception, and we expect to continue to have losses as we continue the development of, and seek regulatory approvals for, our product candidates, and begin to commercially launch Symbravo while further investing in Auvelity and Sunosi.
Funding Requirements We have not achieved profitability since our inception, and we expect to continue to have losses as we continue the development of, and seek regulatory approvals for, our product candidates, while further investing in AUVELITY, SUNOSI, and SYMBRAVO.
The assumed commitments to SK and Aerial include single-digit tiered royalties based on our sales of Sunosi, and we are committed to pay up to $165.0 million based on revenue milestones and $1.0 million based on development milestones.
The assumed commitments to SK and Aerial include single-digit tiered royalties based on our sales of SUNOSI, and we are committed to pay up to $162.5 million based on revenue milestones and $1.0 million based on development milestones.
We amortize the intangible asset, which we recognized as part of the Acquisition, over its useful life of 10 years. Intangible asset amortization was $6.4 million for both the years ended December 31, 2024 and 2023. Interest expense, net.
We amortize the intangible asset, which we recognized as part of the Acquisition, over its useful life of 10 years. Intangible asset amortization was $6.4 million for both the years ended December 31, 2025 and 2024. Interest expense, net. Interest expense, net, was $6.6 million for both the years ended December 31, 2025 and 2024. Income tax expense.
Please see “Risk Factors” for additional risks associated with our substantial capital requirements. Contractual Obligations and Commitments License agreement with Pfizer In January 2020, we entered into a license agreement with Pfizer.
Please see “Risk Factors” for additional risks associated with our substantial capital requirements. 120 Table of Contents Contractual Obligations and Commitments License agreement with Pfizer In January 2020, we entered into a license agreement with Pfizer.
We have not identified any events or changes in circumstances that indicate the existence of potential impairment of the intangible asset during the year ended December 31, 2024. Contingent consideration Consideration paid in a business combination may include contingent consideration.
We have not identified any events or changes in circumstances that indicate the existence of potential impairment of the intangible asset during the year ended December 31, 2025. 114 Table of Contents Contingent consideration Consideration paid in a business combination may include contingent consideration.
Additionally, in connection with this public offering, in July 2023, the underwriters fully exercised their option to purchase 450,000 additional shares of our common stock, at a public offering price of $75.00 per share. The net proceeds were $31.7 million, net of underwriting discounts and commissions of $2.0 million and other minimal offering costs.
Net proceeds were $211.3 million, net of underwriting discounts and commissions of $13.5 million and other offering costs of $0.2 million. Additionally, in connection with this public offering, in July 2023, the underwriters fully exercised their option to purchase 450,000 additional shares of our common stock, at a public offering price of $75.00 per share.
Summary of Significant Accounting Policies to our consolidated financial statements included in Part IV, Exhibits and Financial Statement Schedules, of this Annual Report on Form 10-K for a discussion of recently issued accounting pronouncements. 125 Table of Contents
Recent Accounting Pronouncements Refer to Note 2. Summary of Significant Accounting Policies to our consolidated financial statements included in Part IV, Exhibits and Financial Statement Schedules, of this Annual Report on Form 10-K for a discussion of recently issued accounting pronouncements. 123 Table of Contents
We have recorded a valuation allowance on all of our deferred tax assets. Stock‑based compensation For issued stock options, we estimate the grant date fair value of each option using the Black-Scholes option pricing model.
We have recorded a valuation allowance against substantially all of our deferred tax assets. 115 Table of Contents Stock‑based compensation For issued stock options, we estimate the grant date fair value of each option using the Black-Scholes option pricing model.
We will receive a royalty percentage in the mid-twenties on net sales of the Licensed Products (as defined in the Pharmanovia License Agreement) in the Territory. For the year ended December 31, 2024, we recognized royalty revenue of $3.5 million related to Pharmanovia’s sales of Sunosi.
We will receive a royalty percentage in the mid-twenties on net sales of the Licensed Products (as defined in the Pharmanovia License Agreement) in the Territory. We recognized royalty revenue of $4.7 million and $3.5 million for the years ended December 31, 2025 and 2024, respectively, related to Pharmanovia’s sales of SUNOSI.
The fair value measurement of the contingent consideration is sensitive to the change in discount rates. As of December 31, 2024, if the discount rate increases or decreases by approximately 1%, the fair value of the contingent consideration would range from $91.5 million to $104.5 million.
The fair value measurement of the contingent consideration is sensitive to the change in discount rates. As of December 31, 2025, if the discount rate increases or decreases by approximately 1%, the fair value of the contingent consideration would range from $79.5 million to $89.5 million.
As of December 31, 2024, we had U.S. federal net operating loss carryforwards of approximately $572.1 million and foreign NOL carryforwards of $4.8 million. U.S. federal NOLs amounting to $59.8 million generated before the 2018 tax year will start expiring beginning 2032, and the NOLs of approximately $512.3 million generated in 2018 and later have an indefinite carryforward period.
As of December 31, 2025, we had U.S. federal net operating loss carryforwards of approximately $577.9 million and foreign NOL carryforwards of $281.3 million. U.S. federal NOLs amounting to $59.8 million generated before the 2018 tax year will start expiring beginning 2032, and the NOLs of approximately $518.1 million generated in 2018 and later have an indefinite carryforward period.
In addition, other factors may affect estimates, including expected business and operational changes, sensitivity and volatility associated with the assumptions used in developing estimates, and whether historical trends are expected to be representative of future trends.
Management must apply significant judgment in this process. In addition, other factors may affect estimates, including expected business and operational changes, sensitivity and volatility associated with the assumptions used in developing estimates, and whether historical trends are expected to be representative of future trends.
We have recently begun commercial sales of Auvelity and Sunosi, and plan to commercially launch Symbravo, but we have limited experience with commercializing these, or any, products. We have incurred significant operating and net losses since inception. We incurred net losses of $287.2 million and $239.2 million for the years ended December 31, 2024 and 2023, respectively.
We have recently begun commercial sales of AUVELITY and SUNOSI, and we launched SYMBRAVO, but we have limited experience with commercializing these, or any, products. We have incurred significant operating and net losses since inception. We incurred net losses of $183.2 million and $287.2 million for the years ended December 31, 2025 and 2024, respectively.
In connection with the Loan Agreement (see below), Antecip consented to the collateral assignment of one of the license agreements, among other things, under a direct agreement with us and Hercules. Loan and Security Agreement with Hercules Capital, Inc.
In connection with the Blackstone Loan Agreement (see below), Antecip consented to the collateral assignment of one of the license agreements, among other things, under a direct agreement among us, Antecip, a related party, and Blackstone. This new direct agreement superseded the prior direct agreement among us, Antecip, a related party, and Hercules Capital, Inc.
We recorded an income tax expense of $0.1 million for the year ended December 31, 2024 due to state taxes that we expect to pay based on minimum tax requirements in various states.
We recorded an income tax expense of $0.1 million for the year ended December 31, 2024 due to state taxes that we expect to pay based on minimum tax requirements in various states. Net loss. Net loss for the year ended December 31, 2025 was $183.2 million as compared to $287.2 million for the year ended December 31, 2024.
Our accumulated deficit as of December 31, 2024 was $1,122.8 million, and we expect to incur significant expenses and continuing operating losses.
Our accumulated deficit as of December 31, 2025 was $1,306.0 million, and we expect to incur significant expenses and continuing operating losses.
Research and development expenses Research and development expenses primarily include preclinical studies, clinical trials, manufacturing costs, employee-related expenses including salaries, benefits, travel, and stock based compensation expense, contract services, including external research and development expenses incurred under arrangements with third parties, such as CROs, facilities costs, overhead costs, depreciation, and other related costs. 112 Table of Contents Research and development activities are central to our business model.
Research and development expenses Research and development expenses primarily include preclinical studies, clinical trials, manufacturing costs, employee-related expenses including salaries, benefits, travel, and stock based compensation expense, contract services, including external research and development expenses incurred under arrangements with third parties, such as contract research organizations, or CROs, facilities costs, overhead costs, depreciation, and other related costs.
We will adjust our estimates based on new information, including information regarding actual rebates, chargebacks and discounts for our products, as it becomes available. License revenue We generate revenue from license or similar agreements with pharmaceutical companies for the development and commercialization of certain products. Such agreements may include the transfer of intellectual property rights in the form of licenses.
We will adjust our estimates based on new information, including information regarding actual rebates, chargebacks and discounts for our products, as it becomes available. 112 Table of Contents License revenue We generate revenue from license or similar agreements with pharmaceutical companies for the development and commercialization of certain products.
As of December 31, 2024, if the revenue discount rate increases or decreases by approximately 1%, the fair value of the contingent consideration would range from $92.9 million to $102.9 million. 116 Table of Contents Income taxes Income taxes are accounted for under the asset and liability method.
As of December 31, 2025, if the revenue discount rate increases or decreases by approximately 1%, the fair value of the contingent consideration would range from $80.6 million to $88.3 million. Income taxes Income taxes are accounted for under the asset and liability method.
Loss in Fair Value of Contingent Consideration. The $28.1 million change for the year ended December 31, 2024, as compared to a $48.9 million change for the year ended December 31, 2023 was primarily related to changes in significant unobservable inputs, including discount rates, and significant assumptions, including future sales estimates. Intangible asset amortization .
The $2.5 million change for the year ended December 31, 2025, as compared to a $28.1 million change for the year ended December 31, 2024 was primarily related to changes in significant unobservable inputs, including discount rates, and significant assumptions, including future sales estimates. Intangible asset amortization .
We test the carrying amounts of goodwill for recoverability on an annual basis or more frequently if events or changes in circumstances indicate that the asset might be impaired.
Goodwill Goodwill is deemed to have an indefinite life and therefore not amortized. We test the carrying amounts of goodwill for recoverability on an annual basis or more frequently if events or changes in circumstances indicate that the asset might be impaired.
In December 2022, in connection with the 2022 Shelf Registration Statement, we filed a new sales agreement prospectus to replace the prior prospectus supplement filed in August 2022 associated with the expired 2019 Shelf Registration Statement.
Also in connection with the 2025 Shelf Registration Statement, we filed a new sales agreement prospectus to replace the prior prospectus supplement filed in December 2022, which would have expired in December 2025.
For the year ended December 31, 2024, we received approximately $40.8 million in gross proceeds through the sale of 466,108 shares, of which net proceeds were approximately $40.0 million, under the March 2022 Sales Agreement.
For the year ended December 31, 2025, we received approximately $52.9 million in gross proceeds through the sale of 451,176 shares, of which net proceeds were approximately $51.9 million. For the year ended December 31, 2024, we received approximately $40.8 million in gross proceeds through the sale of 466,108 shares, of which net proceeds were approximately $40.0 million.
Optional future services where any additional consideration paid to us reflects their standalone selling prices do not provide the customer with a material right and, therefore, are not considered performance obligations.
If they are not distinct, they are combined with other promised goods or services to create a bundle of promised goods or services that is distinct. Optional future services where any additional consideration paid to us reflects their standalone selling prices do not provide the customer with a material right and, therefore, are not considered performance obligations.
Cost of revenue for the year ended December 31, 2024 includes a $2.5 million expense for the achievement of a sales-based milestone related to world-wide Sunosi sales. Additionally, cost of revenue for the year ended December 31, 2023 includes a $5.0 million license sharing expense related to the Pharmanovia License Agreement. Research and development.
The increase was in line with the increase in sales of AUVELITY and SUNOSI. Cost of revenue for the year ended December 31, 2024 includes a $2.5 million expense for the achievement of a sales-based milestone related to world-wide SUNOSI sales. Research and development.
We will need to generate significant revenue to achieve profitability, and we may never do so. 111 Table of Contents Financial Overview Revenue We generated $381.7 million and $202.5 million in net revenue from product sales for the years ended December 31, 2024 and 2023, respectively.
We will need to generate significant revenue to achieve profitability, and we may never do so. 109 Table of Contents Financial Overview Revenue We generated total revenues of $638.5 million and $385.7 million for the years ended December 31, 2025 and 2024, respectively.
The following table summarizes our research and development expenses for our primary products for the years ended December 31, 2024 and 2023 (in thousands): Year ended December 31, 2024 2023 Solriamfetol $ 53,678 $ 18,232 AXS-05 62,877 34,011 AXS-07 15,587 8,101 AXS-12 9,362 10,431 AXS-14 11,881 7,091 Other research and development (*) 12,274 5,998 Stock-based compensation 21,418 14,080 Total research and development expenses $ 187,077 $ 97,944 (*) Other research and development expenses primarily consist of facilities charges, third party consultant costs, costs related to other product candidates, and other unallocated costs.
The following table summarizes our research and development expenses for our primary products for the years ended December 31, 2025 and 2024 (in thousands): Year ended December 31, 2025 2024 Solriamfetol $ 42,106 $ 53,678 AXS-05 55,312 62,877 AXS-07 21,421 15,587 AXS-12 8,482 9,362 AXS-14 8,485 11,881 Other research and development (*) 20,645 12,274 Stock-based compensation 26,828 21,418 Total research and development expenses $ 183,279 $ 187,077 (*) Other research and development expenses primarily consist of facilities charges, third party consultant costs, costs related to other product candidates, costs related to asset acquisitions, and other unallocated costs.
In connection with the February 2023 Pharmanovia License Agreement to commercialize Sunosi in certain ex-U.S. markets, we recognized royalty revenue of $3.5 million for the year ended December 31, 2024, as compared to $2.4 million for the year ended December 31, 2023 attributable to Pharmanovia sales of Sunosi in the out-licensed markets.
Royalty revenue was $4.7 million for the year ended December 31, 2025, as compared to $3.5 million for the year ended December 31, 2024 attributable to Pharmanovia sales of SUNOSI in the out-licensed markets. The increase was in line with the increase in unit sales volume of SUNOSI in certain ex-U.S. markets.
On December 2, 2022, we filed an automatic shelf registration statement with the SEC for the issuance of common stock, preferred stock, warrants, rights, debt securities, and units up to an unlimited amount, which we refer to as the 2022 Shelf Registration Statement. It was declared effective by the SEC upon filing.
Shelf Registration Statement On November 3, 2025, we filed an automatic shelf registration statement (File No. 333-291228) with the SEC for the issuance of common stock, preferred stock, warrants, rights, debt securities, and units up to an unlimited amount, which we refer to as the 2025 Shelf Registration Statement.
In the future, we may conduct additional offerings of one or more of the securities covered by the 2022 Shelf Registration Statement in such amounts, prices and terms to be announced when and if the securities are offered.
The net proceeds were $31.7 million, net of underwriting discounts and commissions of $2.0 million and other minimal offering costs. In the future, we may conduct additional offerings of one or more of the securities covered by the 2025 Shelf Registration Statement in such amounts, prices and terms to be announced when and if the securities are offered.
Critical Accounting Policies and Significant Judgments and Estimates This discussion and analysis of our financial condition and results of operations is based on our consolidated financial statements, which have been prepared in accordance with generally accepted accounting principles in the United States of America (“GAAP”).
We estimate the fair value of the contingent consideration as of the acquisition date and reporting periods thereafter using the estimated future cash outflows based on future sales. 111 Table of Contents Critical Accounting Policies and Significant Judgments and Estimates This discussion and analysis of our financial condition and results of operations is based on our consolidated financial statements, which have been prepared in accordance with generally accepted accounting principles in the United States of America (“GAAP”).
See Note 11. Commitments and Contingencies for further information on future contractual obligations. We believe that our current cash is sufficient to fund anticipated operations into cash flow positivity, based on the current operating plan.
We believe that our current cash is sufficient to fund anticipated operations into cash flow positivity, based on the current operating plan.
Leerink is entitled to receive a commission of up to 3.0% of the gross proceeds for any shares sold under the March 2022 Sales Agreement. The March 2022 Sales Agreement supersedes the December 2019 Sales Agreement, by and between us and Leerink. We exhausted sales of shares of our common stock under our prior at-the-market offering program.
The March 2022 Sales Agreement supersedes the sales agreement, dated December 5, 2019, by and between us and Leerink. We exhausted sales of shares of our common stock under our prior at-the-market offering program.
The new sales agreement prospectus covered the issuance and sale by us of up to the same $250 million of our common stock that may be issued and sold from time to time through Leerink, as the sales agent, under the March 2022 Sales Agreement.
The new sales agreement prospectus covered the issuance and sale by us of up to the same $250 million of our common stock that may be issued and sold from time to time through Leerink, as the sales agent, under the March 2022 Sales Agreement. 122 Table of Contents Off-Balance Sheet Arrangements We did not have during the periods presented, and we do not currently have, any off‑balance sheet arrangements, as defined by applicable SEC regulations.
Auvelity U.S. net sales were $291.4 million and $130.1 million for the years ended December 31, 2024 and 2023, respectively. Sunosi net sales were $90.3 million and $72.4 million for the years ended December 31, 2024 and 2023, respectively. The increases were primarily due to the increase in unit sales volume for both Auvelity and Sunosi.
AUVELITY U.S. net sales were $507.1 million and $291.4 million for the years ended December 31, 2025 and 2024, respectively. SUNOSI net sales were $120.1 million and $90.3 million for the years ended December 31, 2025 and 2024, respectively.
When uncertain tax positions exist, we recognize the tax benefit of tax positions to the extent that the benefit will more likely than not be realized. As of December 31, 2024, we do not believe any material uncertain tax positions are present.
When uncertain tax positions exist, we recognize the tax benefit of tax positions to the extent that the benefit will more likely than not be realized. As of December 31, 2025, we recognized gross uncertain tax positions which have been recognized as a reduction to deferred tax assets.
Research and development expenses are expected to stabilize at current levels in the near term as certain development programs near completion while new development programs are initiated. Selling, general and administrative. Selling, general and administrative expenses were $411.4 million for the year ended December 31, 2024, as compared to $323.1 million for the year ended December 31, 2023.
We expect research and development costs to moderately increase in 2026 as new development programs commence while certain development programs near completion. Selling, general and administrative. Selling, general and administrative expenses were $570.6 million for the year ended December 31, 2025, as compared to $411.4 million for the year ended December 31, 2024.
Actual results may differ from these estimates under different assumptions or conditions. 113 Table of Contents Management considers many factors in developing the estimates and assumptions that are used in the preparation of our consolidated financial statements. Management must apply significant judgment in this process.
In accordance with GAAP, we base our estimates on historical experience and on various other assumptions that we believe are reasonable under the circumstances. Actual results may differ from these estimates under different assumptions or conditions. Management considers many factors in developing the estimates and assumptions that are used in the preparation of our consolidated financial statements.
Risk Factors.” See also the “Special Cautionary Notice Regarding Forward-Looking Statements” set forth at the beginning of this report. Overview We are a biopharmaceutical company leading a new era in the treatment of CNS disorders.
Risk Factors.” See also the “Special Cautionary Notice Regarding Forward-Looking Statements” set forth at the beginning of this report. Overview We are a biopharmaceutical company dedicated to the development and commercialization of innovative medicines for people impacted by central nervous system (CNS) conditions.
The increase was in line with the increase in unit sales volume of Sunosi in certain ex-U.S. markets. Further, in the fourth quarter of 2024, we recognized milestone revenue of $0.5 million related to an achievement of a regulatory milestone in China for Sunosi from SK. Cost of revenue.
Further, in the fourth quarter of 2024, we recognized milestone revenue of $0.5 million related to an achievement of a regulatory milestone in China for SUNOSI from SK. Cost of revenue. Cost of revenue was $47.5 million for the year ended December 31, 2025, as compared to $33.3 million for the year ended December 31, 2024.
The increase was primarily related to greater commercial activities for Auvelity and Sunosi, and higher personnel costs related to organizational growth, including non-cash stock-based compensation. We expect selling, general and administrative expenses to increase as we expand marketing, promotional, and advertising costs for Auvelity and Sunosi, launch Symbravo, and to support general administrative needs.
The increase was primarily related to higher commercial activities for AUVELITY, including a national direct-to-consumer advertising campaign and sales force expansion, the commercial launch of SYMBRAVO, and higher personnel costs related to organizational growth, including non-cash stock-based compensation.
On February 21, 2023, we entered into a Sublease with Advance Magazine Publishers d/b/a Conde Nast for the entirety of the twenty-second floor of One Word Trade Center in New York, NY, or the Sublease. This space is utilized as our corporate and executive offices. The Sublease commenced on April 7, 2023 and will run for ten (10) years.
On February 21, 2023, we entered into a Sublease with Advance Magazine Publishers d/b/a Conde Nast for the entirety of the twenty-second floor of One World Trade Center in New York, NY, or the Sublease. 118 Table of Contents On January 17, 2025, we entered into an Amendment to our Sublease, or the First Amendment, pursuant to which we relinquished our then existing space in One World Trade Center and commenced occupancy of different space within the building.
Cash provided by financing activities was $331.0 million for the year ended December 31, 2023, which included net proceeds related to the June 2023 public offering of $211.3 million and additional net proceeds of $31.7 million as the underwriters fully exercised their option to purchase additional shares, net proceeds of $83.6 million from draw-downs related to the Loan Agreement with Hercules, and proceeds of $12.4 million from the issuance of common stock upon the exercise of employee stock options, offset by payments of contingent consideration and tax withholdings on stock awards for a total of $8.0 million.
Cash provided by financing activities was $101.5 million for the year ended December 31, 2025, which primarily included net proceeds of $66.7 million from issuance of common stock for financing purposes as well as proceeds of $59.6 million from the issuance of common stock upon the exercise of employee stock options and under the 2023 Employee Stock Purchase Plan, or ESPP, which was partially offset by payments of contingent consideration and tax withholdings on stock awards, for a total of $17.1 million.
Because the process of commercializing products and evaluating product candidates in clinical trials is costly and the timing of progress in these trials is uncertain, it is possible that the assumptions upon which we have based this estimate may prove to be wrong, and we could use our capital resources sooner than we currently expect. 121 Table of Contents Cash Flows The following table summarizes our primary sources and uses of cash for the periods indicated (in thousands): Year ended December 31, 2024 2023 Net cash (used in) provided by: Operating activities $ (128,410 ) $ (145,080 ) Investing activities (270 ) (582 ) Financing activities 57,840 331,013 Net increase (decrease) in cash $ (70,840 ) $ 185,351 Operating Activities.
Because the process of commercializing products and evaluating product candidates in clinical trials is costly and the timing of progress in these trials is uncertain, it is possible that the assumptions upon which we have based this estimate may prove to be wrong, and we could use our capital resources sooner than we currently expect.
Payments associated with licensing agreements to acquire licenses to develop, use, manufacture and commercialize products that have not reached technological feasibility and do not have alternative future use are expensed as incurred. 115 Table of Contents Goodwill Goodwill is deemed to have an indefinite life and therefore not amortized.
If the actual timing of the performance of services or the level of effort varies from the original estimates, we will adjust the accrual accordingly. Payments associated with licensing agreements to acquire licenses to develop, use, manufacture and commercialize products that have not reached technological feasibility and do not have alternative future use are expensed as incurred.
The decrease of $16.7 million was mainly due to higher net product revenues from Auvelity and Sunosi in 2024, which was offset by the increase in cash used in commercial and clinical activities in 2024. Operating activities in 2023 also was impacted by the receipt of a $65.7 million upfront payment from Pharmanovia in the first quarter of 2023.
Cash used in operating activities for the year ended December 31, 2025 was $93.4 million as compared to $128.4 million for the year ended December 31, 2024. The decrease of $35.0 million was mainly due to higher net product revenues from AUVELITY and SUNOSI, which was offset by the increase in cash used in commercial activities in 2025. Investing Activities.
In June 2023, we completed an underwritten public offering of our common stock and sold 3.0 million shares of our common stock at a public offering price of $75.00 per share. Net proceeds were $211.3 million, net of underwriting discounts and commissions of $13.5 million and other offering costs of $0.2 million.
We did not utilize the March 2022 Sales Agreement with Leerink during the year ended December 31, 2023. In June 2023, we completed an underwritten public offering of our common stock and sold 3.0 million shares of our common stock at a public offering price of $75.00 per share.
The increase was primarily due to higher research and development spend from pre-clinical and ongoing clinical trial expenses, higher selling, general and administrative expenses from commercial activities related to Auvelity and Sunosi, including sales force and marketing spend, and higher personnel costs due to organizational growth, including non-cash stock compensation expense.
The decrease was primarily due to higher net product revenues from AUVELITY and SUNOSI, which was partially offset by higher selling, general and administrative expenses from commercial activities for AUVELITY, including a national direct-to-consumer advertising campaign and sales force expansion, the commercial launch of SYMBRAVO, and higher personnel costs related to organizational growth, including non-cash stock-based compensation.
Investing Activities. Cash used in investing activities for the year ended December 31, 2024 was $270 thousand, as compared to $582 thousand for the year ended December 31, 2023. The decrease was impacted by the expansion of our corporate headquarters during 2023. Financing Activities.
Cash used in investing activities for the year ended December 31, 2025 was $480 thousand, as compared to $270 thousand for the year ended December 31, 2024. The increase was mainly due to additional equipment purchases to support our organizational growth. 119 Table of Contents Financing Activities.
Payments made by the customer may include non-refundable upfront fees, payments based upon the achievement of defined milestones, and royalties on sales of products. 114 Table of Contents If a license to the intellectual property is determined to be distinct from the other performance obligations identified in the arrangement, we recognize the transaction price allocated to the license as revenue upon transfer of control of the license.
If a license to the intellectual property is determined to be distinct from the other performance obligations identified in the arrangement, we recognize the transaction price allocated to the license as revenue upon transfer of control of the license. All other promised goods or services in the agreement are evaluated to determine if they are distinct.
In connection with the Sublease, we received certain rent and work concessions from the sublandlord. The Company entered into a fleet lease program beginning the first quarter of 2024. The lease agreement includes an initial 12-month noncancelable period with monthly renewal options thereafter. Lease terms range from approximately 40 to 50 months and are classified as finance leases.
The lease agreement includes an initial 12-month noncancelable period with monthly renewal options thereafter. Lease terms range from approximately 40 to 50 months and are classified as finance leases. See Note 10. Commitments and Contingencies for further information on future contractual obligations.
Additionally, the increase in net loss was impacted by the upfront payment of $65.7 million received from Pharmanovia in the first quarter of 2023. Liquidity and Capital Resources Since our inception through December 31, 2024, we have financed our operations primarily through proceeds from equity offerings, debt borrowings, and proceeds from product sales. See discussion below.
Liquidity and Capital Resources Since our inception through December 31, 2025, we have financed our operations primarily through proceeds from equity offerings, debt borrowings, and proceeds from product sales. See discussion below. In March 2022, we entered into a sales agreement with Leerink, or the March 2022 Sales Agreement with Leerink, and filed a prospectus supplement.
We have a one-time option to terminate the Sublease on its fifth anniversary upon the payment of a fee to the sublandlord. We are responsible for base rent under the Sublease and certain additional customary variable costs such as an allocable portion of building taxes and operating expenses.
The Company is responsible for base rent under the Sublease and certain additional customary variable costs, such as an allocable portion of building taxes and operating expenses. In connection with the Sublease and First Amendment, we received certain rent and work concessions from the sublandlord. The Company entered into a fleet lease program in the first quarter of 2024.
In August 2022, Auvelity ® was approved by the FDA for the treatment of MDD in adults and we initiated the commercial launch of Auvelity in the U.S. in October 2022. In January 2025, Symbravo ® was approved by the FDA for the acute treatment of migraine with or without aura in adults. Refer to Part I, Item 1.
SYMBRAVO is approved by the FDA for the acute treatment of migraine in adults with or without aura, which we recently launched in the U.S. We are also advancing a pipeline of novel product candidates addressing a broad range of serious neurological and psychiatric conditions, including narcolepsy, fibromyalgia, and ADHD. Refer to Part I, Item 1.
We deliver scientific breakthroughs by identifying critical gaps in care and developing differentiated products with a focus on novel mechanisms of action that enable meaningful advancements in patient outcomes. Our CNS portfolio includes multiple FDA-approved products that are being further developed for additional neurological or psychiatric conditions and novel product candidates in late-stage clinical development.
We deliver scientific breakthroughs by identifying critical gaps in care and developing differentiated medicines with a focus on novel mechanisms of action that have the potential to transform patient outcomes. Our broad commercial portfolio is comprised of AUVELITY, SUNOSI, and SYMBRAVO.
The following table summarizes the activity of our sales allowance and reserves as of and for the year ended December 31, 2024 (in thousands): Commercial discounts and rebates, returns and other Cash discounts and chargebacks Medicaid and Medicare rebates Total Balance at December 31, 2023 $ 37,492 $ 12,501 $ 9,222 $ 59,215 Provisions 239,549 97,169 41,277 377,995 Payments/credits (221,629 ) (96,166 ) (31,961 ) (349,756 ) Balance at December 31, 2024 $ 55,412 $ 13,504 $ 18,538 $ 87,454 License revenue.
The increases were primarily due to the increase in unit sales volume for both AUVELITY and SUNOSI, and commercial launch of SYMBRAVO in June 2025. 116 Table of Contents The following table summarizes the activity of our sales allowance and reserves as of and for the year ended December 31, 2025 (in thousands): Commercial discounts and rebates, returns and other Cash discounts and chargebacks Medicaid and Medicare rebates Total Balance at December 31, 2024 $ 55,412 $ 13,504 $ 18,538 $ 87,454 Provisions 372,126 147,097 98,237 617,460 Payments/credits (322,535 ) (138,391 ) (71,533 ) (532,459 ) Balance at December 31, 2025 $ 105,003 $ 22,210 $ 45,242 $ 172,455 Royalty and milestone revenue.