Biggest changeThe following table provides a summary of those realized and unrealized gains and (losses): For the Years Ended, December 31, 2024 2023 (in millions) Agenus $ (8.2) $ (18.9) Merus 106.1 45.2 MorphoSys 30.7 22.9 Syndax (11.9) (5.5) Other (0.7) 0.2 Total realized and unrealized gain on equity investments $ 116.0 $ 43.9 During the year ended December 31, 2024, we sold all remaining investments in Agenus Inc., Merus and MorphoSys AG as described further in in Note 7 of the Notes to the Consolidated Financial Statements.
Biggest changeThe following table provides a summary of those gains and (losses): For the Years Ended December 31, 2025 2024 (in millions) Agenus $ — $ (8.2) Merus — 106.1 MorphoSys — 30.7 Syndax 11.1 (11.9) Prelude 10.3 — Other (0.1) (0.7) Total gain on equity investments $ 21.3 $ 116.0 Provision for income taxes The provision for income taxes for the years ended December 31, 2025 and 2024 was $377.8 million and $284.0 million, respectively. 68 Table of Contents Our effective tax rate for the year ended December 31, 2025 was higher than the U.S. statutory rate primarily due to state income taxes and an increase in our valuation allowance against certain U.S. deferred tax assets.
While we exercise significant judgment when applying complex tax laws and regulations in these various taxing jurisdictions, many of our tax returns are open to audit, and may be subject to future tax, interest, and penalty assessments.
While we exercise significant judgment when applying complex tax laws and regulations in these various taxing jurisdictions, many of our tax returns are open to audit and we may be subject to future tax, interest, and penalty assessments.
Loss on change in fair value of acquisition-related contingent consideration Acquisition-related contingent consideration, which consists of our future royalty obligations to ARIAD/Takeda, was recorded on the acquisition date, June 1, 2016, at the estimated fair value of the obligation, in accordance with the acquisition method of accounting. The fair value of the acquisition-related contingent consideration is remeasured quarterly.
(Gain) loss on change in fair value of acquisition-related contingent consideration Acquisition-related contingent consideration, which consists of our future royalty obligations to ARIAD/Takeda, was recorded on the acquisition date, June 1, 2016, at the estimated fair value of the obligation, in accordance with the acquisition method of accounting. The fair value of the acquisition-related contingent consideration is remeasured quarterly.
Centers for Medicare and Medicaid Services (“CMS”) alleging that a recent regulation issued by CMS on the definition of “line extension” for purposes of the Medicaid rebate program is too broad and has the unintended consequence of treating OPZELURA as a “line extension” of JAKAFI under this program.
Centers for Medicare and Medicaid Services (“CMS”) alleging that a regulation issued by CMS on the definition of “line extension” for purposes of the Medicaid rebate program is too broad and has the unintended consequence of treating OPZELURA as a “line extension” of JAKAFI under this program.
Our global headquarters is located in Wilmington, Delaware, where we conduct discovery, clinical development and commercial operations. We also conduct clinical development and commercial operations from our European headquarters in Morges, Switzerland and our other offices across Europe, as well as our Japanese office in Tokyo and our Canadian headquarters in Montreal.
Our global headquarters is located in Wilmington, Delaware, where we conduct discovery, clinical development and commercial operations. We also conduct clinical development and commercial operations from our European headquarters in Morges, Switzerland, and our other offices across Europe, as well as our Japanese headquarters in Tokyo and our Canadian headquarters in Montreal.
See Part I, Item 1A of this report, “Risk Factors” for a further discussion of certain factors that could impact our future product revenues. 68 Table of Contents License Agreements, Business Relationships and Acquisitions We establish business relationships, including collaborative arrangements with other companies and medical research institutions to assist in the clinical development and/or commercialization of certain of our drugs and drug candidates and to provide support for our research programs.
See Part I, Item 1A, “Risk Factors” of this report for a further discussion of certain factors that could impact our future product revenues. 60 Table of Contents License Agreements, Business Relationships and Acquisitions We establish business relationships, including collaborative arrangements with other companies and medical research institutions, to assist in the clinical development and/or commercialization of certain of our drugs and drug candidates and to provide support for our research programs.
Our capital expenditures for construction activities and our non-operating contractual operating and finance lease obligations are discussed in Note 8 of Notes to the Consolidated Financial Statements. 77 Table of Contents In August 2021, we entered into a $500.0 million, senior unsecured revolving credit facility, which was subsequently amended in May 2023 and June 2024 (as amended, the “Credit Agreement”).
Our capital expenditures for construction activities and our non-operating contractual operating and finance lease obligations are discussed in Note 8 of Notes to the Consolidated Financial Statements. 69 Table of Contents In August 2021, we entered into a $500.0 million, senior unsecured revolving credit facility, which was subsequently amended in May 2023 and June 2024 (as amended, the “Credit Agreement”).
We recognize revenues for product received by our customers net of allowances for customer credits, including estimated rebates, chargebacks, discounts, returns, distribution service fees, patient assistance programs, and government rebates, such as the Medicaid Drug Rebate Program and Medicare Part D coverage gap reimbursements in the United States and mandated discounts in Europe.
We recognize revenues for product received by our customers net of allowances for customer credits, including estimated rebates, chargebacks, discounts, returns, distribution service fees, patient assistance programs, and government rebates, such as the Medicaid Drug Rebate Program and Medicare Part D prescription drug coverage reimbursements in the United States and mandated discounts in Europe.
During 2024, net cash used in financing activities was $2.0 billion and was primarily driven by expenditures associated with the share repurchase of $2.0 billion.
During 2024, net cash used in financing activities was $2.0 billion, and was primarily driven by expenditures associated with the share repurchase.
Rebates and Discounts: We accrue rebates for mandated discounts under the Medicaid Drug Rebate Program in the United States and mandated discounts in Europe in markets where government-sponsored healthcare systems are the primary payers for healthcare. These accruals are based on statutory discount rates and expected utilization as well as historical data we have accumulated since product launch.
Rebates and Discounts: We accrue rebates for mandated discounts under the Medicaid Drug Rebate Program in the United States and mandated discounts in Europe in markets where government-sponsored healthcare systems are the primary payors for healthcare. These accruals are based on statutory discount rates and expected utilization as well as historical data we have accumulated since product launch.
If actual future rebates vary from estimates, we may need to adjust prior period accruals, which would affect revenue in the period of adjustment. 69 Table of Contents Chargebacks: Chargebacks are discounts that occur when certain indirect contracted customers purchase directly from our wholesalers at a discounted price.
If actual future rebates vary from estimates, we may need to adjust prior period accruals, which would affect revenue in the period of adjustment. 61 Table of Contents Chargebacks: Chargebacks are discounts that occur when certain indirect contracted customers purchase directly from our wholesalers at a discounted price.
Salary and benefits related expense increased from 2023 to 2024 due primarily to increased headcount to sustain our development pipeline. Stock compensation expense may fluctuate from period to period based on the number of awards granted, stock price volatility and expected award lives, as well as expected award forfeiture rates which are used to value equity-based compensation.
Salary and benefits related expense increased from 2024 to 2025 due primarily to increased headcount to sustain our development pipeline. Stock compensation expense may fluctuate from period to period based on the number of awards granted, stock price volatility and expected award lives, as well as expected award forfeiture rates which are used to value equity-based compensation.
The wholesalers, in turn, charges back to us the difference between the price initially paid by the wholesalers and the discounted price paid by the contracted customers. In addition to actual chargebacks received, we maintain an accrual for chargebacks based on the estimated contractual discounts on the inventory levels on hand in our distribution channel.
The wholesalers, in turn, charge back to us the difference between the price initially paid by the wholesalers and the discounted price paid by the contracted customers. In addition to actual chargebacks received, we maintain an accrual for chargebacks based on the estimated contractual discounts on the inventory levels on hand in our distribution channel.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations The following discussion and analysis of our financial condition and results of operations should be read in conjunction with “Selected Consolidated Financial Data” and the Consolidated Financial Statements and related Notes included elsewhere in this Report.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations The following discussion and analysis of our financial condition and results of operations should be read in conjunction with the Consolidated Financial Statements and related Notes included elsewhere in this report.
Given the high level of uncertainty of achievement, variable consideration associated with milestones are fully constrained until confirmation of the satisfaction or completion of the milestone by the third-party. We review our estimate of the transaction price each period, and make revisions to such estimates as necessary. Stock Compensation.
Given the high level of uncertainty of achievement, variable consideration associated with milestones are fully constrained until confirmation of the satisfaction or completion of the milestone by the third-party. We review our estimate of the transaction price each period, and make revisions to such estimates as necessary. 62 Table of Contents Stock Compensation.
During 2024, net cash provided by investing activities was $157.5 million, which primarily represented sales of equity investments of $284.8 million and sale and maturity of marketable securities of $231.3 million, offset in part by purchases of marketable securities of $258.4 million, payments for intangible assets of $13.9 million, and capital expenditures of $86.3 million.
During 2024, net cash provided by investing activities was $157.5 million, which primarily represented sales of equity investments of $284.8 million and maturity of marketable securities of $231.3 million, offset in part by purchases of marketable securities of $258.4 million, payments for intangible assets of $13.9 million, and capital expenditures of $86.3 million. Cash provided by (used in) financing activities.
Share-based payment transactions with employees, which include stock options, restricted stock units (RSUs) and performance shares (PSUs), are recognized as compensation expense over the requisite service period based on their estimated fair values at the date of grant as well as expected forfeiture rates based on actual experience, subject to customary retirement provisions that may accelerate the requisite service period for expense recognition purposes.
Share-based payment transactions with employees, which include stock options, restricted stock units (“RSUs”) and performance shares (“PSUs”), are recognized as compensation expense over the requisite service period based on their estimated fair values at the date of grant as well as expected forfeiture rates based on actual experience, subject to customary retirement provisions that may accelerate the requisite service period for expense recognition purposes.
Our company-sponsored patient savings program in which we provide financial assistance to enable commercially-insured patients to afford their insurance premium and co-pays may fluctuate as the commercial insurance landscape evolves and may impact net revenues, particularly for drugs like OPZELURA. We also adjust our allowance for product returns based on new information regarding actual returns as it becomes available.
Our company-sponsored patient savings program, by which we provide financial assistance to enable commercially-insured patients to afford their insurance premiums and co-pays, may fluctuate as the commercial insurance landscape evolves and may impact net revenues, particularly for drugs like OPZELURA. We also adjust our allowance for product returns based on new information regarding actual returns as it becomes available.
A discussion of our financial performance for the year ended December 31, 2024 as compared to the year ended December 31, 2023 appears below under the captions “Results of Operations” and “Liquidity and Capital Resources.” A discussion of our financial performance for the year ended December 31, 2023 compared to the year ended December 31, 2022 can be found under the same captions in Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on February 13, 2024, which is available free of charge on the SEC’s website at www.sec.gov and our Investor Relations website at investor.incyte.com/financial-information/annual-reports .
A discussion of our financial performance for the year ended December 31, 2025 as compared to the year ended December 31, 2024 appears below under the captions “Results of Operations” and “Liquidity and Capital Resources.” A discussion of our financial performance for the year ended December 31, 2024 compared to the year ended December 31, 2023 can be found under the same captions in Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2024, filed with the SEC on February 10, 2025, which is available free of charge on the SEC’s website at www.sec.gov and our Investor Relations website at investor.incyte.com/financials/annual-reports .
Many factors can affect the cost and timing of our clinical trials, including requests by regulatory agencies for more information, inconclusive results requiring additional clinical trials, slow patient enrollment, adverse side effects among patients, insufficient supplies for our clinical trials, timing of drug supply, including API, and real or perceived lack of effectiveness or safety of our investigational drugs in our clinical trials.
Many factors can affect the cost and timing of our clinical trials, including requests by regulatory agencies for more information, inconclusive results requiring additional clinical trials, slow patient enrollment, adverse side effects among patients, insufficient supplies for our clinical trials, timing of drug supply, including active pharmaceutical ingredients, and real or perceived lack of effectiveness or safety of our investigational drugs in our clinical trials.
Our estimates for the expected Medicare Part D coverage gap are based on historical invoices received and in part from data received from our customers.
Our estimates for the expected Medicare Part D coverage gap were based on historical invoices received and in part from data received from our customers.
Realized and unrealized gain (loss) on equity investments Realized and unrealized gains and losses on equity investments will fluctuate from period to period, based on sales of securities and the change in fair value of the securities we hold in our publicly held collaboration partners.
Gain on equity investments Gains and losses on equity investments will fluctuate from period to period, based on sales of securities and the change in fair value of the securities we hold in our publicly held collaboration partners.
For additional information, including information on the expirations of patents for various products, see Part I, Item 1 of this report, “Business—Patents and Other Intellectual Property” and “Business—Competition.” We devote substantial resources to research and development activities and to acquire rights to new product candidates and technologies, but successful product development in the biopharmaceutical industry is highly uncertain.
For additional information, including information on the expirations of patents for various products, see Part I, Item 1 of this report, under the headings “Business—Patents, Other Intellectual Property, and Product Exclusivity” and “Business—Competition.” We devote substantial resources to research and development activities and to acquire rights to new product candidates and technologies, but successful product development in the biopharmaceutical industry is highly uncertain.
As of December 31, 2024, we had no outstanding borrowings and were in compliance with all covenants under this facility. The Credit Agreement is described further in Note 16 of Notes to the Consolidated Financial Statements.
As of December 31, 2025, we had no outstanding borrowings and were in compliance with all covenants under this facility. The Credit Agreement is described further in Note 17 of Notes to the Consolidated Financial Statements.
As of December 31, 2024, a 5% change in our sales allowance and accruals would have had an approximate $79.9 million impact on our income before taxes. Customer Credits: Our customers are offered various forms of consideration, including allowances, service fees and prompt payment discounts.
As of December 31, 2025, a 5% change in our sales allowance and accruals would have had an approximate $103.8 million impact on our income before taxes. Customer Credits: Our customers are offered various forms of consideration, including allowances, service fees and prompt payment discounts.
Additionally, as described in Note 5 of the Notes to the Consolidated Financial Statements, as part of the Escient acquisition, we recognized compensation expense in research and development of $11.3 million associated with the accelerated vesting for certain Escient stock awards in connection with the acquisition on our consolidated statements of operations.
Additionally, as described in Note 5 of the Notes to the Consolidated Financial Statements, as part of the Escient acquisition, we recognized compensation expense in research and development of $11.3 million on our consolidated statements of operations during the year ended December 31, 2024 associated with the accelerated vesting for certain Escient stock awards in connection with the acquisition.
As of December 31, 2024, we have accrued approximately $127.6 million within accrued and other current liabilities on the consolidated balance sheet, relating to the incremental rebates that would be owed were OPZELURA considered a line extension of JAKAFI. The impact on OPZELURA gross to net deductions for the quarter ending December 31, 2024, is approximately 6.3%.
As of December 31, 2025, we have accrued approximately $218.5 million within accrued and other current liabilities on the consolidated balance sheet, relating to the incremental rebates that would be owed were OPZELURA considered a line extension of JAKAFI. The impact on OPZELURA gross to net deductions for the quarter ending December 31, 2025, is approximately 6.9%.
We expect our sales allowances to fluctuate from quarter to quarter due to changes in the volume of purchases eligible for government mandated discounts and rebates as well as changes in discount percentages, which are impacted by potential future price increases, rate of inflation, and other factors, such as changes to the 340B drug pricing program.
We expect our sales allowances to fluctuate from quarter to quarter as a result of the volume of purchases eligible for government mandated discounts and rebates as well as changes in discount percentages which are impacted by potential future price increases, rate of inflation, and other factors.
Research and development expenses for the year ended December 31, 2024 also include the $679.4 million of expense related to the acquired in-process research and development assets as part of the Escient acquisition. 74 Table of Contents The increase in clinical research and outside services expense from 2023 to 2024 was primarily due to continued investment in our late-stage development assets, additional expenses resulting from the Escient acquisition and timing of certain expenses.
Research and development expenses for the year ended December 31, 2024 also include the $679.4 million of expense related to the acquired in-process research and development assets as part of the Escient acquisition. The increase in clinical research and outside services expense from 2024 to 2025 was primarily due to continued investment in our late-stage development assets.
Funding of the coverage gap is generally invoiced and paid in arrears so that the accrual balance consists of an estimate of the amount expected to be incurred for the current quarter’s activity, plus an accrual balance for known prior quarters.
Funding of the Medicare Part D Discount Program is generally invoiced and paid in arrears so that the accrual balance consists of an estimate of the amount expected to be incurred for the current quarter’s activity, plus an accrual balance for known prior quarters.
Our portfolio focuses on areas of high unmet medical need and includes compounds in various stages, ranging from preclinical to late-stage development, and commercialized products JAKAFI (ruxolitinib), ICLUSIG (ponatinib), PEMAZYRE (pemigatinib), OPZELURA (ruxolitinib cream), MINJUVI (tafasitamab), MONJUVI (tafasitamab-cxix) and ZYNYZ (retifanlimab-dlwr), as well as NIKTIMVO (axatilimab-csfr), which was approved for medical use in the United States in August 2024 and will be co-commercialized.
Our portfolio focuses on areas of high unmet medical need and includes compounds in various stages, ranging from preclinical to late-stage development and commercialized products. Our approved products are JAKAFI (ruxolitinib), ICLUSIG (ponatinib), PEMAZYRE (pemigatinib), OPZELURA (ruxolitinib cream), MINJUVI (tafasitamab), MONJUVI (tafasitamab-cxix) and ZYNYZ (retifanlimab-dlwr), as well as NIKTIMVO (axatilimab-csfr) which is co-commercialized.
Selling, general and administrative expenses For the Year Ended December 31, 2024 2023 (in millions) Salary and benefits related $ 349.6 $ 300.1 Stock compensation 102.5 86.1 Escient acquisition related compensation expense 20.2 — Other contract services and outside costs 769.9 775.1 Total selling, general and administrative expenses $ 1,242.2 $ 1,161.3 Salary and benefits related expense increased from 2023 to 2024 due primarily to increased headcount.
Selling, general and administrative expenses For the Year Ended December 31, 2025 2024 (in millions) Salary and benefits related $ 419.7 $ 349.6 Stock compensation 95.6 102.5 Escient acquisition related compensation expense — 20.2 Other contract services and outside costs 860.9 769.9 Total selling, general and administrative expenses $ 1,376.2 $ 1,242.2 Salary and benefits related expense increased from 2024 to 2025 due primarily to increased headcount.
The change in fair value of the acquisition-related contingent consideration for the years ended December 31, 2024 and 2023 was expense of $19.8 million and $29.2 million, respectively, which is recorded in loss on change in fair value of acquisition-related contingent consideration on the consolidated statements of operations.
The change in fair value of the acquisition-related contingent consideration for the years ended December 31, 2025 and 2024 was a gain of $6.1 million and loss of $19.8 million, respectively, which is recorded in (gain) loss on change in fair value of acquisition-related contingent consideration on the consolidated statements of operations.
Research and development expenses include upfront and milestone expenses related to our collaborative agreements, which were $104.4 million and $36.7 million for the years ended December 31, 2024 and 2023, respectively. Research and development expenses for the years ended December 31, 2024 and 2023 were net of $29.9 million and $49.1 million, respectively, of costs reimbursed by our collaborative partners.
Research and development expenses include upfront and milestone expenses related to our collaborative agreements, which were $97.6 million and $104.4 million for the years ended December 31, 2025 and 2024, respectively. Research and development expenses for the years ended December 31, 2025 and 2024 were net of $16.0 million and $29.9 million, respectively, of costs reimbursed by our collaborative partners.
Operating Expenses Research and development expenses For the Year Ended December 31, 2024 2023 (in millions) Salary and benefits related $ 505.9 $ 399.1 Stock compensation 161.3 126.7 Escient acquisition related compensation expense 11.3 — Escient IPR&D expense 679.4 — Clinical research and outside services 1,074.7 936.7 Occupancy and all other costs 174.2 165.1 Total research and development expenses $ 2,606.8 $ 1,627.6 We account for research and development costs by natural expense line and not costs by project.
Operating Expenses Research and development expenses For the Year Ended December 31, 2025 2024 (in millions) Salary and benefits related $ 557.9 $ 505.9 Stock compensation 150.2 161.3 Escient acquisition related compensation expense — 11.3 Escient IPR&D expense — 679.4 Clinical research and outside services 1,184.7 1,074.7 Occupancy and all other costs 157.4 174.2 Total research and development expenses $ 2,050.2 $ 2,606.8 66 Table of Contents We account for research and development costs by natural expense line and not costs by project.
At December 31, 2024, we had available cash, cash equivalents and marketable securities of $2.2 billion. Our cash and marketable securities balances are held in a variety of interest-bearing instruments, including money market accounts and U.S. government debt securities. Available cash is invested in accordance with our investment policy’s primary objectives of liquidity, safety of principal and diversity of investments.
Our cash and marketable securities balances are held in a variety of interest-bearing instruments, including money market accounts and U.S. government debt securities. Available cash is invested in accordance with our investment policy’s primary objectives of liquidity, safety of principal and diversity of investments. Cash provided by operating activities.
This increased headcount was due primarily to the establishment of our dermatology commercial organization. Stock compensation expense may fluctuate from period to period based on the number of awards granted, stock price volatility and expected award lives, as well as expected award forfeiture rates which are used to value equity-based compensation.
Stock compensation expense may fluctuate from period to period based on the number of awards granted, stock price volatility and expected award lives, as well as expected award forfeiture rates which are used to value equity-based compensation.
Our revenues depend on continued sales of our products, and we depend substantially on product revenues from JAKAFI. We must develop and commercialize new products to achieve revenue growth and to offset revenue losses from when products lose their exclusivity or when competing products are launched.
Our revenues depend on continued sales of our products, and we depend substantially on product revenues from JAKAFI. We must develop and commercialize new products to achieve revenue growth and to offset revenue losses from the loss of product exclusivity of JAKAFI in 2028 and the launch of competing products.
We also establish business relationships with other companies and medical research institutions to acquire products or rights to products and technologies that are complementary to our business.
We also evaluate opportunities for acquiring products or rights to products and technologies that are complementary to our business from other companies and medical research institutions.
During 2023, net cash used in financing activities was $20.0 million, consisting primarily of cash paid to ARIAD/Takeda for contingent consideration, offset in part by proceeds from the issuance of common stock under our stock plans net of tax withholdings.
During 2025, net cash provided by financing activities was $101.0 million and was primarily driven by proceeds from the issuance of common stock under our stock plans net of tax withholdings, offset in part by excise taxes relating to the June 2024 share repurchase and cash paid to ARIAD/Takeda for contingent consideration.
Liquidity and Capital Resources 2024 2023 (in millions) December 31: Cash, cash equivalents, and marketable securities $ 2,158.1 $ 3,656.0 Working capital $ 1,597.2 $ 3,405.0 Year ended December 31: Cash provided by (used in): Operating activities $ 335.3 $ 496.5 Investing activities $ 157.5 $ (207.7) Financing activities $ (2,021.5) $ (20.0) Capital expenditures (included in investing activities above) $ (86.3) $ (32.5) Sources and Uses of Cash.
Liquidity and Capital Resources 2025 2024 (in millions) December 31: Cash, cash equivalents, and marketable securities $ 3,580.6 $ 2,158.1 Working capital $ 3,508.7 $ 1,597.2 Year ended December 31: Cash provided by (used in): Operating activities $ 1,413.5 $ 335.3 Investing activities $ (102.6) $ 157.5 Financing activities $ 101.0 $ (2,021.5) Capital expenditures (included in investing activities above) $ (58.9) $ (86.3) Sources and Uses of Cash At December 31, 2025, we had available cash, cash equivalents and marketable securities of $3.6 billion.
Given we do not record a valuation allowance on the majority of our U.S. deferred tax assets, we expect that our reported income tax expense (current plus deferred) for future periods will be higher than that recorded for prior periods.
Given we do not record a valuation allowance on the majority of our U.S. deferred tax assets, we expect that our reported income tax expense (current plus deferred) for future periods will be higher than that recorded for prior periods. 63 Table of Contents Results of Operations Years Ended December 31, 2025 and 2024 We recorded net income for the years ended December 31, 2025 and 2024 of $1,286.7 million and $32.6 million, respectively.
Cost of Product Revenues For the Year Ended December 31, 2024 2023 (in millions) Product costs $ 129.0 $ 89.2 Salary and benefits related 16.2 11.9 Stock compensation 2.3 3.1 Royalty expense 141.0 128.2 Amortization of definite-lived intangible assets 23.6 22.6 Total cost of product revenues $ 312.1 $ 255.0 Cost of product revenues includes all product related costs, reserves for obsolescence, employee personnel costs, including stock compensation, for those employees dedicated to the production of our commercial products, royalties owed under our collaborative agreements and amortization of our licensed intellectual property rights for ICLUSIG and the amortization of capitalized milestone payments.
During the year ended December 31, 2024, our milestone and contract revenues were derived from a combination of upfront payments received from our third party collaborators for the transfer of functional intellectual property, as well as developmental milestones received from our third party collaborators. 65 Table of Contents Cost of Product Revenues For the Year Ended December 31, 2025 2024 (in millions) Product costs $ 149.3 $ 129.0 Salary and benefits related 25.1 16.2 Stock compensation 3.5 2.3 Royalty expense 124.6 141.0 Profit share 44.0 — Amortization of definite-lived intangible assets 25.6 23.6 Total cost of product revenues $ 372.1 $ 312.1 Cost of product revenues includes all product related costs, reserves for obsolescence, employee personnel costs, including stock compensation, for those employees dedicated to the production of our commercial products, royalties and profit sharing under our collaborative agreements and amortization of our licensed intellectual property rights for ICLUSIG and the amortization of capitalized milestone payments.
Results of Operations Years Ended December 31, 2024 and 2023 We recorded net income for the years ended December 31, 2024 and 2023 of $32.6 million and $597.6 million, respectively. On a per share basis, basic net income was $0.16 and diluted net income was $0.15 for the year ended December 31, 2024.
On a per share basis, basic net income was $6.59 and diluted net income was $6.41 for the year ended December 31, 2025. On a per share basis, basic net income was $0.16 and diluted net income was $0.15 for the year ended December 31, 2024.
Refer to Note 5 of Notes to the Consolidated Financial Statements for further information related to the acquisition. Our product revenues may fluctuate from period to period due to our customers’ purchasing patterns over the course of a year, including as a result of increased inventory building by customers in advance of expected or announced price increases.
The increase in total royalty revenues from 2024 to 2025 was primarily driven by growth in JAKAVI royalty revenue. Our product revenues may fluctuate from period to period due to our customers’ purchasing patterns over the course of a year, including as a result of increased inventory building by customers in advance of expected or announced price increases.
Additionally, as described in Note 5 of the Notes to the Consolidated Financial Statements, as part of the Escient acquisition, we recognized compensation expense in selling, general and administrative expenses of $20.2 million associated with the accelerated vesting for certain Escient stock awards in connection with the acquisition on our consolidated statements of operations.
Additionally, as described in Note 5 of the Notes to the Consolidated Financial Statements, as part of the Escient acquisition, we recognized compensation expense in selling, general and administrative expenses of $20.2 million on our consolidated statements of operations during the year ended December 31, 2024 associated with the accelerated vesting for certain Escient stock awards in connection with the acquisition. 67 Table of Contents Asset impairment As described further in Note 8 of Notes to the Consolidated Financial Statements, during December 2025, the downtown Wilmington, Delaware properties that we acquired in May 2024 met the criteria to be classified as assets held for sale.
For the years ending December 31, 2024 and 2023, our Black-Scholes assumptions included a weighted-average stock price volatility of 30% in 2024 and 32% in 2023, average expected option life of approximately five years and an estimated annualized forfeiture rate of 5%.
For the years ending December 31, 2025 and 2024, our Black-Scholes assumptions included a weighted-average stock price volatility of 29% in 2025 and 30% in 2024, and average expected option life of approximately five years. The average risk-free interest rate assumption used in the Black-Scholes valuations decreased from 4.15% in 2024 to 4.10% in 2025.
Our effective tax rate for 2024 was higher than the U.S. statutory rate primarily due to non-deductible charges of $710.9 million associated with the Escient acquisition.
This was partially offset by tax rate benefits associated with research and development and orphan drug tax credit generations and the foreign derived intangible income deduction. Our effective tax rate for the year ended December 31, 2024 was higher than the U.S. statutory rate primarily due to non-deductible charges of $710.9 million associated with the Escient acquisition.
Royalty revenues on commercial sales for OLUMIANT by Lilly are estimated based on information provided by Lilly. Royalty revenues on commercial sales for PEMAZYRE by Innovent are estimated based on information provided by Innovent. We recognize royalty revenues in the period the sales occur.
Royalty revenues on commercial sales for OLUMIANT by Lilly are estimated based on information provided by Lilly. We recognize royalty revenues in the period the sales occur. We exercise judgment in determining whether the information provided is sufficiently reliable for us to base our royalty revenue recognition thereon.
Historically, adjustments to these estimates to reflect actual royalty revenues have not been material to our financial results and have been less than 1% of royalty revenues.
If actual royalties vary from estimates, we may need to adjust the prior period, which would affect royalty revenue and receivables in the period of adjustment. Historically, adjustments to these estimates to reflect actual royalty revenues have not been material to our financial results and have been less than 1% of royalty revenues.
The average risk-free interest rate assumption used in the Black-Scholes valuations increased from 4.01% in 2023 to 4.15% in 2024. 70 Table of Contents The fair value of stock options, which are subject to graded vesting, are recognized as compensation expense over the requisite service period using the accelerated attribution method.
The fair value of stock options, which are subject to graded vesting, are recognized as compensation expense over the requisite service period using the accelerated attribution method.
Cash provided by operating activities. The decrease in cash provided by operating activities from 2023 to 2024 was due primarily to the Escient acquisition and changes in working capital. Cash used in investing activities. Our investing activities, other than purchases, sales and maturities of marketable securities, have consisted predominantly of capital expenditures and sales of long term investments.
Our investing activities, other than purchases, sales and maturities of marketable securities, have consisted predominantly of capital expenditures and sales of long term investments.
If actual future chargebacks vary from these estimates, we may need to adjust prior period accruals, which would affect revenue in the period of adjustment. Medicare Part D Coverage Gap: Medicare Part D prescription drug benefit mandates manufacturers to fund 70% of the Medicare Part D insurance coverage gap for prescription drugs sold to eligible patients.
If actual future chargebacks vary from these estimates, we may need to adjust prior period accruals, which would affect revenue in the period of adjustment. Medicare Part D Rebates: Changes to our Medicare Part D prescription drug coverage reimbursements (“Part D Discount Program”) became effective January 1, 2025 pursuant to the Inflation Reduction Act of 2022.
In 2025, we expect to see a reduction in our sales allowances owed under Medicare Part D, due to changes from the Inflation Reduction Act, which effective January 1, 2025, replaced the manufacturer's coverage gap liability with a different discount structure.
In 2025, we saw a reduction in our sales allowances owed under Medicare Part D, due to changes to the Part D Discount Program.
Non-operating Income and Expenses Interest income Interest income for the years ended December 31, 2024 and 2023 was $128.7 million and $158.4 million, respectively.
Non-operating Income and Expenses Interest income Interest income for the years ended December 31, 2025 and 2024 was $105.6 million and $128.7 million, respectively. The decrease in Interest income for the year ended December 31, 2025 is primarily due to a lower interest rate environment in 2025 as compared to 2024.
During the year ended December 31, 2024, our milestone and contract revenues were derived from a $25.0 million upfront payment received during the first quarter of 2024 upon our transfer of functional intellectual property to China Medical Systems Holdings Limited, and we recognized $18.0 million of upfront and milestone payments from two of our collaboration partners during the third quarter of 2024.
During the year ended December 31, 2025, our milestone and contract revenues were derived from a combination of upfront payments received from our third party collaborators for the transfer of functional intellectual property, primarily the $100.0 million payment received from Lilly in the fourth quarter of 2025, as well as developmental milestones received from our third party collaborators.
During 2023, net cash used in investing activities was $207.7 million, which represents purchases of marketable securities of $456.0 million, capital expenditures of $32.5 million, payments for intangible assets of $15.0 million, and purchases of long term investments of $10.0 million, offset in part by the sale and maturity of marketable securities of $305.8 million. Cash used in financing activities.
During 2025, net cash used in investing activities was $102.6 million, which primarily represented purchases of marketable securities of $295.5 million, capital expenditures of $58.9 million and payments for intangible assets of $25.0 million, offset in part by maturities of marketable securities of $284.6 million.
On a per share basis, basic net income was $2.67 and diluted net income was $2.65 for the year ended December 31, 2023. 71 Table of Contents Revenues For the Year Ended, December 31, 2024 2023 (in millions) JAKAFI revenues, net $ 2,792.1 $ 2,593.7 OPZELURA revenues, net 508.3 337.9 ICLUSIG revenues, net 114.3 111.6 PEMAZYRE revenues, net 81.7 83.6 MINJUVI/MONJUVI revenues, net 119.3 37.1 ZYNYZ revenues, net 3.2 1.3 Total product revenues, net 3,618.9 3,165.2 JAKAVI product royalty revenues 418.8 367.6 OLUMIANT product royalty revenues 135.6 136.1 TABRECTA product royalty revenues 22.7 17.8 PEMAZYRE product royalty revenues 2.2 1.9 Total product royalty revenues 579.3 523.4 Milestone and contract revenues 43.0 7.0 Total revenues $ 4,241.2 $ 3,695.6 The increase in JAKAFI product revenues from 2023 to 2024 was comprised of a volume increase of $142.3 million and a price increase of $56.1 million.
Revenues For the Year Ended, December 31, 2025 2024 (in millions) JAKAFI revenues, net $ 3,092.5 $ 2,792.1 OPZELURA revenues, net 678.5 508.3 ICLUSIG revenues, net 134.1 114.3 PEMAZYRE revenues, net 86.7 81.7 MINJUVI/MONJUVI revenues, net 144.6 119.3 NIKTIMVO revenues, net 151.6 — ZYNYZ revenues, net 66.3 3.2 Total product revenues, net 4,354.3 3,618.9 JAKAVI product royalty revenues 457.7 418.8 OLUMIANT product royalty revenues 144.6 135.6 TABRECTA product royalty revenues 26.7 22.7 Other product royalty revenues 7.9 2.2 Total product royalty revenues 636.9 579.3 Milestone and contract revenues 150.0 43.0 Total revenues $ 5,141.2 $ 4,241.2 The increase in JAKAFI product revenues from 2024 to 2025 was primarily driven by an increase in paid demand across all indications.
Our revenue recognition policies require estimates of the aforementioned sales allowances each period. 72 Table of Contents The following table provides a summary of activity with respect to our sales allowances and accruals (in thousands): Year Ended December 31, 2024 Discounts and Distribution Fees Government Rebates and Chargebacks Co-Pay Assistance and Other Discounts Product Returns Total Balance at January 1, 2024 $ 20,479 $ 264,422 $ 13,016 $ 11,021 $ 308,938 Allowances for current period sales 152,167 1,282,224 131,979 23,251 1,589,621 Allowances for prior period sales 429 2,718 (68) 4,386 7,465 Credits/payments for current period sales (129,777) (1,049,069) (127,400) (238) (1,306,484) Credits/payments for prior period sales (15,858) (117,737) (4,237) (15,407) (153,239) Balance at December 31, 2024 $ 27,440 $ 382,558 $ 13,290 $ 23,013 $ 446,301 U.S. government rebates and chargebacks are the most significant component of our sales allowances.
Our revenue recognition policies require estimates of the aforementioned sales allowances each period. 64 Table of Contents The following table provides a summary of activity with respect to our sales allowances and accruals (in thousands): Year Ended December 31, 2025 Discounts and Distribution Fees Government Rebates and Chargebacks Co-Pay Assistance and Other Discounts Product Returns Total Balance at January 1, 2025 $ 27,440 $ 382,558 $ 13,290 $ 23,013 $ 446,301 Allowances for current period sales 229,701 1,692,462 146,685 23,045 2,091,893 Allowances for prior period sales (1,863) (9,652) 46 (3,928) (15,397) Credits/payments for current period sales (195,354) (1,317,604) (137,751) (62) (1,650,771) Credits/payments for prior period sales (21,144) (185,597) (8,081) (11,113) (225,935) Balance at December 31, 2025 $ 38,780 $ 562,167 $ 14,189 $ 30,955 $ 646,091 U.S. government rebates and chargebacks are the most significant component of our sales allowances.
The increase in cost of product revenues from 2023 to 2024 was primarily due to growth in net product revenues, increased royalty expense and increased manufacturing related costs.
The increase in cost of product revenues from 2024 to 2025 was driven by growth in net product revenues, the NIKTIMVO profit share and increased manufacturing related costs, partially offset by the impact from the reduced royalty rate agreed to as part of the contract dispute settlement with Novartis discussed below.
Product royalty revenues on commercial sales of PEMAZYRE by Innovent are based on net sales of licensed products in licensed territories as provided by Innovent. 73 Table of Contents Our milestone and contract revenues were $43.0 million and $7.0 million for the years ended December 31, 2024 and 2023, respectively.
Our milestone and contract revenues were $150.0 million and $43.0 million for the years ended December 31, 2025 and 2024, respectively.
We are also eligible to receive milestones and royalties on molecules discovered by us and licensed to third parties.
We are focused in three therapeutic areas that are defined by the indications of our approved medicines and the diseases for which our clinical candidates are being developed. These therapeutic areas are: Hematology, Oncology, and Inflammation and Autoimmunity (“IAI”). We are also eligible to receive milestones and royalties on molecules discovered by us and licensed to third parties.