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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Pay vs Performance Disclosure |  |  |  |
Pay vs Performance Disclosure, Table | Pay Versus Performance Table As required by Section 953(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act, and Item 402(v) of Regulation S-K, we are providing the following information about the relationship between the executive compensation for our principal executive officer (“PEO”) and the other named executive officers, other than the PEO (the “Non-PEO NEOs”), and the Company’s performance for the fiscal years listed below. The disclosure included in this section is prescribed by SEC rules and does not necessarily align with how the Company or the Compensation Committee view the link between the Company’s performance and named executive officer pay, and the Compensation Committee did not consider the disclosure below in making its pay decisions for any of the years shown. For information on our executive compensation program and the Compensation Committee’s approach, refer to the sections entitled “Compensation Discussion and Analysis” and “Executive Compensation Tables and Related Narrative Disclosure” of this Proxy Statement.
| Year(1) |  |  | Summary Compensation Table Total for PEO(2) |  |  | Compensation Actually Paid to PEO(3) |  |  | Average Summary Compensation Table Total for Non-PEO NEOs(4) |  |  | Average Compensation Actually Paid to Non-PEO NEOs(5) |  |  | Value of Initial Fixed $100 Investment Based On |  |  | Net Income (Loss) (In Thousands)(7) |  |  | Net Product Revenue (In Thousands)(8) |
| Total Shareholder Return(6) |  |  | Peer Total Shareholder Return(6) |
| 2024 |  |  | $6,152,657 |  |  | $15,290,185 |  |  | $4,656,303 |  |  | $5,935,936 |  |  | $222.64 |  |  | $93.49 |  |  | ($174,572) |  |  | $76,495 |
| 2023 |  |  | $4,950,424 |  |  | $4,472,564 |  |  | $2,845,527 |  |  | $2,349,061 |  |  | $132.70 |  |  | $94.03 |  |  | ($184,127) |  |  | $0 |
| 2022 |  |  | $2,997,203 |  |  | $5,898,457 |  |  | $1,361,162 |  |  | $2,480,002 |  |  | $152.20 |  |  | $89.90 |  |  | ($141,901) |  |  | $0 |
| 2021 |  |  | $2,056,987 |  |  | $1,340,341 |  |  | $1,155,449 |  |  | $832,837 |  |  | $76.73 |  |  | $100.02 |  |  | ($116,112) |  |  | $0 |
(1) | For each of the years presented in the above table, our former Chief Executive Officer, John Scarlett, was our Principal Executive Officer (“PEO”) and our Non-PEO Named Executive Officers (“Non-PEO NEOs”) were as follows:
• | 2024: Michelle Robertson, Joe Eid, Andrew Grethlein, and James Ziegler
• | 2023: Andrew Grethlein, Scott Samuels, and Michelle Robertson
• | 2022: Olivia Bloom and Andrew Grethlein
• | 2021: Olivia Bloom, Andrew Grethlein, Aleksandra Rizo, Anil Kapur, and Melissa Kelly Behrs
(2) | See the Summary Compensation Table above for detail on the Summary Compensation Table total compensation for our PEO for fiscal years 2024, 2023 and 2022, and for fiscal year 2021, see the Summary Compensation Table disclosed in our proxy statement filed with the SEC in calendar year 2022. The average compensation for the Non-PEO NEOs for 2024 was calculated using the Summary Compensation Table above. The average compensation for the Non-PEO NEOs for 2023, 2022 and 2021 was calculated using the Summary Compensation Table as disclosed in our proxy statement filed with the SEC in calendar years 2023, 2022 and 2021.
(3) | For purposes of this table, the compensation actually paid (“Compensation Actually Paid”, or “CAP”) has been computed in accordance with Item 402(v) of Regulation S-K under the Exchange Act and does not reflect the actual amount of compensation earned by or paid to the Named Executive Officers during the applicable year. These amounts reflect total compensation as reflected in the above Summary Compensation Table for the applicable year less the grant date fair values of stock option awards included in the “Option Awards” column of the Summary Compensation Table for the Named Executive Officer for the applicable year, and adjusted as follows for each stock option award granted to each Named Executive Officer. The total CAP calculation for our PEO was as follows:
| Year |  |  | Reported Summary Compensation Table Total for PEO |  |  | Reported Value of Equity Awards(a) |  |  | Equity Award Adjustments(b) |  |  | Reported Change in the Actuarial Present Value of Pension Benefits |  |  | Pension Benefit Adjustments |  |  | Compensation Actually Paid to PEO |
| 2024 |  |  | $6,152,657 |  |  | ($4,591,200) |  |  | $13,728,728 |  |  | $— |  |  | $— |  |  | $15,290,185 |
| 2023 |  |  | $4,950,424 |  |  | ($3,563,000) |  |  | $3,085,140 |  |  | $— |  |  | $— |  |  | $4,472,564 |
| 2022 |  |  | $2,997,203 |  |  | ($1,468,740) |  |  | $4,369,994 |  |  | $— |  |  | $— |  |  | $5,898,457 |
| 2021 |  |  | $2,056,987 |  |  | ($796,740) |  |  | $80,094 |  |  | $— |  |  | $— |  |  | $1,340,341 |
(a) | The grant date fair value of equity awards represents the total of the amounts reported in the “Option Awards” columns in the Summary Compensation Table for the applicable year, as there were no stock awards issued or reported.
(b) | The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) the amount of change as of the end of the applicable year (from the end of the prior fiscal year) in fair value of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, a deduction for the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows:
| Year |  |  | Year End Fair Value of Equity Awards Granted in the Years |  |  | ​Change in Fair Value from End of Prior Year to End of Covered Year of Equity Awards Granted in Prior Years |  |  | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year |  |  | ​Change in Fair Value on the Vesting Date of Equity Awards Granted in Prior Years that Vested in the Year |  |  | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year |  |  | Dollar Value of Dividends or other Earnings Paid on Equity Awards not Otherwise Reflected in Fair Value or Total Compensation |  |  | Total Equity Award Adjustments |
| 2024 |  |  | $6,157,500 |  |  | $1,647,865 |  |  | $1,807,500 |  |  | $4,115,863 |  |  | $— |  |  | $— |  |  | $13,728,728 |
| 2023 |  |  | $2,013,959 |  |  | ($523,269) |  |  | $613,593 |  |  | $980,857 |  |  | $— |  |  | $— |  |  | $3,085,140 |
| 2022 |  |  | $3,124,188 |  |  | $381,355 |  |  | $629,125 |  |  | $235,326 |  |  | $— |  |  | $— |  |  | $4,369,994 |
| 2021 |  |  | $327,750 |  |  | ($267,010) |  |  | $110,000 |  |  | ($90,646) |  |  | $— |  |  | $— |  |  | $80,094 |
In the table above, the unvested equity values are computed in accordance with the methodology used for financial reporting purposes, and for unvested awards subject to performance-based vesting conditions, based on the probable outcome of such performance-based vesting conditions as of the last day of the year.
(4) | The dollar amounts reported in this column represent the average of the amounts reported for the Company’s Non-PEO NEOs as a group in the “Total” column of the Summary Compensation Table in each applicable year.
(5) | The dollar amounts reported in this column represent the average amount of Compensation Actually Paid to our Non-PEO NEOs as a group, as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the non-PEO NEOs as a group during the applicable year. The following adjustments were made to average total compensation for the Non-PEO NEOs as a group for each year to determine the compensation actually paid, using the same methodology described above in Note 3:
| Year |  |  | Average Reported Summary Compensation Table Total for Non-PEO NEOs |  |  | Average Reported Value of Equity Awards |  |  | Average Equity Award Adjustments(a) |  |  | Reported Change in Actuarial Present Value of Pension Benefits |  |  | Pension Benefits Adjustments |  |  | Average Compensation Actually Paid to Non-PEO NEOs |
| 2024 |  |  | $4,656,303 |  |  | $(3,798,555) |  |  | $5,078,188 |  |  | $— |  |  | $— |  |  | $5,935,936 |
| 2023 |  |  | $2,845,527 |  |  | $(2,280,040) |  |  | $1,783,574 |  |  | $— |  |  | $— |  |  | $2,349,061 |
| 2022 |  |  | $1,361,162 |  |  | $(524,550) |  |  | $1,643,390 |  |  | $— |  |  | $— |  |  | $2,480,002 |
| 2021 |  |  | $1,155,449 |  |  | $(398,370) |  |  | $75,758 |  |  | $— |  |  | $— |  |  | $832,837 |
(a) | The amounts deducted or added in calculating the total average equity award adjustments are as follows:
| Year |  |  | Average Year End Fair Value of Equity Awards |  |  | ​Average Change in Fair Value From End of Prior Year to End of Covered Year of Equity Awards Granted in Prior Years |  |  | Average Fair Value as of Vesting Date of the Equity Awards Granted and Vested in the Year |  |  | Average Change in Fair Value on the Vesting Date of Equity Awards Granted in Prior Years that Vested in the Year |  |  | Average Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year |  |  | Average Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation |  |  | Average Total Equity Award Adjustments |
| 2024 |  |  | $3,600,808 |  |  | $403,385 |  |  | $308,781 |  |  | $765,214 |  |  | $— |  |  | $— |  |  | $5,078,188 |
| 2023 |  |  | $1,610,779 |  |  | ($64,149) |  |  | $91,163 |  |  | $145,781 |  |  | $— |  |  | $— |  |  | $1,783,574 |
| 2022 |  |  | $1,145,938 |  |  | $185,608 |  |  | $224,688 |  |  | $87,156 |  |  | $— |  |  | $— |  |  | $1,643,390 |
| 2021 |  |  | $163,875 |  |  | ($115,972) |  |  | $55,000 |  |  | $(27,145) |  |  | $— |  |  | $— |  |  | $75,758 |
In the table above, the unvested equity values are computed in accordance with the methodology used for financial reporting purposes, and for unvested awards subject to performance-based vesting conditions, based on the probable outcome of such performance-based vesting conditions as of the last day of the year.
(6) | Total Shareholder Return represents the return on a fixed investment of $100 in Geron Common Stock for the period beginning on the last trading day of 2020 through the last trading day of the applicable fiscal year. Total Shareholder Return for the peer group represents the return on a fixed $100 investment in the NASDAQ Biotech index for the period beginning on the last trading day of 2020 through the last trading day of the applicable fiscal year
(7) | The dollar amounts reported represent the amount of net income (loss) reflected in the Company’s audited financial statements for the applicable year.
(8) | Net Product Revenue has been selected as the Company-Selected Measure for purposes of this Pay Versus Performance Table as it is the most important financial performance measure used by the Company to link Compensation Actually Paid to our PEO and Non-PEO NEOs to company performance. However, the Company did not generate material product revenue prior to 2024. Accordingly, for fiscal years 2021, 2022 and 2023, Net Product Revenue was $0 for each year. The Company has included these values in the table in accordance with SEC requirements, despite the Company-Selected Measure not being a meaningful indicator of performance in those years.
Company Selected Measure Name | Net Product Revenue |  |  |
Named Executive Officers, Footnote |
(1) | For each of the years presented in the above table, our former Chief Executive Officer, John Scarlett, was our Principal Executive Officer (“PEO”) and our Non-PEO Named Executive Officers (“Non-PEO NEOs”) were as follows:
• | 2024: Michelle Robertson, Joe Eid, Andrew Grethlein, and James Ziegler
• | 2023: Andrew Grethlein, Scott Samuels, and Michelle Robertson
• | 2022: Olivia Bloom and Andrew Grethlein
• | 2021: Olivia Bloom, Andrew Grethlein, Aleksandra Rizo, Anil Kapur, and Melissa Kelly Behrs
Peer Group Issuers, Footnote |
(6) | Total Shareholder Return represents the return on a fixed investment of $100 in Geron Common Stock for the period beginning on the last trading day of 2020 through the last trading day of the applicable fiscal year. Total Shareholder Return for the peer group represents the return on a fixed $100 investment in the NASDAQ Biotech index for the period beginning on the last trading day of 2020 through the last trading day of the applicable fiscal year
PEO Total Compensation Amount | $ 6,152,657 | $ 4,950,424 | $ 2,997,203 | $ 2,056,987
PEO Actually Paid Compensation Amount | $ 15,290,185 | 4,472,564 | 5,898,457 | 1,340,341
Adjustment To PEO Compensation, Footnote |
(3) | For purposes of this table, the compensation actually paid (“Compensation Actually Paid”, or “CAP”) has been computed in accordance with Item 402(v) of Regulation S-K under the Exchange Act and does not reflect the actual amount of compensation earned by or paid to the Named Executive Officers during the applicable year. These amounts reflect total compensation as reflected in the above Summary Compensation Table for the applicable year less the grant date fair values of stock option awards included in the “Option Awards” column of the Summary Compensation Table for the Named Executive Officer for the applicable year, and adjusted as follows for each stock option award granted to each Named Executive Officer. The total CAP calculation for our PEO was as follows:
| Year |  |  | Reported Summary Compensation Table Total for PEO |  |  | Reported Value of Equity Awards(a) |  |  | Equity Award Adjustments(b) |  |  | Reported Change in the Actuarial Present Value of Pension Benefits |  |  | Pension Benefit Adjustments |  |  | Compensation Actually Paid to PEO |
| 2024 |  |  | $6,152,657 |  |  | ($4,591,200) |  |  | $13,728,728 |  |  | $— |  |  | $— |  |  | $15,290,185 |
| 2023 |  |  | $4,950,424 |  |  | ($3,563,000) |  |  | $3,085,140 |  |  | $— |  |  | $— |  |  | $4,472,564 |
| 2022 |  |  | $2,997,203 |  |  | ($1,468,740) |  |  | $4,369,994 |  |  | $— |  |  | $— |  |  | $5,898,457 |
| 2021 |  |  | $2,056,987 |  |  | ($796,740) |  |  | $80,094 |  |  | $— |  |  | $— |  |  | $1,340,341 |
(a) | The grant date fair value of equity awards represents the total of the amounts reported in the “Option Awards” columns in the Summary Compensation Table for the applicable year, as there were no stock awards issued or reported.
(b) | The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) the amount of change as of the end of the applicable year (from the end of the prior fiscal year) in fair value of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, a deduction for the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows:
| Year |  |  | Year End Fair Value of Equity Awards Granted in the Years |  |  | ​Change in Fair Value from End of Prior Year to End of Covered Year of Equity Awards Granted in Prior Years |  |  | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year |  |  | ​Change in Fair Value on the Vesting Date of Equity Awards Granted in Prior Years that Vested in the Year |  |  | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year |  |  | Dollar Value of Dividends or other Earnings Paid on Equity Awards not Otherwise Reflected in Fair Value or Total Compensation |  |  | Total Equity Award Adjustments |
| 2024 |  |  | $6,157,500 |  |  | $1,647,865 |  |  | $1,807,500 |  |  | $4,115,863 |  |  | $— |  |  | $— |  |  | $13,728,728 |
| 2023 |  |  | $2,013,959 |  |  | ($523,269) |  |  | $613,593 |  |  | $980,857 |  |  | $— |  |  | $— |  |  | $3,085,140 |
| 2022 |  |  | $3,124,188 |  |  | $381,355 |  |  | $629,125 |  |  | $235,326 |  |  | $— |  |  | $— |  |  | $4,369,994 |
| 2021 |  |  | $327,750 |  |  | ($267,010) |  |  | $110,000 |  |  | ($90,646) |  |  | $— |  |  | $— |  |  | $80,094 |
In the table above, the unvested equity values are computed in accordance with the methodology used for financial reporting purposes, and for unvested awards subject to performance-based vesting conditions, based on the probable outcome of such performance-based vesting conditions as of the last day of the year. |  |  |
Non-PEO NEO Average Total Compensation Amount | $ 4,656,303 | 2,845,527 | 1,361,162 | 1,155,449
Non-PEO NEO Average Compensation Actually Paid Amount | $ 5,935,936 | 2,349,061 | 2,480,002 | 832,837
Adjustment to Non-PEO NEO Compensation Footnote |
(5) | The dollar amounts reported in this column represent the average amount of Compensation Actually Paid to our Non-PEO NEOs as a group, as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the non-PEO NEOs as a group during the applicable year. The following adjustments were made to average total compensation for the Non-PEO NEOs as a group for each year to determine the compensation actually paid, using the same methodology described above in Note 3:
| Year |  |  | Average Reported Summary Compensation Table Total for Non-PEO NEOs |  |  | Average Reported Value of Equity Awards |  |  | Average Equity Award Adjustments(a) |  |  | Reported Change in Actuarial Present Value of Pension Benefits |  |  | Pension Benefits Adjustments |  |  | Average Compensation Actually Paid to Non-PEO NEOs |
| 2024 |  |  | $4,656,303 |  |  | $(3,798,555) |  |  | $5,078,188 |  |  | $— |  |  | $— |  |  | $5,935,936 |
| 2023 |  |  | $2,845,527 |  |  | $(2,280,040) |  |  | $1,783,574 |  |  | $— |  |  | $— |  |  | $2,349,061 |
| 2022 |  |  | $1,361,162 |  |  | $(524,550) |  |  | $1,643,390 |  |  | $— |  |  | $— |  |  | $2,480,002 |
| 2021 |  |  | $1,155,449 |  |  | $(398,370) |  |  | $75,758 |  |  | $— |  |  | $— |  |  | $832,837 |
(a) | The amounts deducted or added in calculating the total average equity award adjustments are as follows:
| Year |  |  | Average Year End Fair Value of Equity Awards |  |  | ​Average Change in Fair Value From End of Prior Year to End of Covered Year of Equity Awards Granted in Prior Years |  |  | Average Fair Value as of Vesting Date of the Equity Awards Granted and Vested in the Year |  |  | Average Change in Fair Value on the Vesting Date of Equity Awards Granted in Prior Years that Vested in the Year |  |  | Average Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year |  |  | Average Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation |  |  | Average Total Equity Award Adjustments |
| 2024 |  |  | $3,600,808 |  |  | $403,385 |  |  | $308,781 |  |  | $765,214 |  |  | $— |  |  | $— |  |  | $5,078,188 |
| 2023 |  |  | $1,610,779 |  |  | ($64,149) |  |  | $91,163 |  |  | $145,781 |  |  | $— |  |  | $— |  |  | $1,783,574 |
| 2022 |  |  | $1,145,938 |  |  | $185,608 |  |  | $224,688 |  |  | $87,156 |  |  | $— |  |  | $— |  |  | $1,643,390 |
| 2021 |  |  | $163,875 |  |  | ($115,972) |  |  | $55,000 |  |  | $(27,145) |  |  | $— |  |  | $— |  |  | $75,758 |
In the table above, the unvested equity values are computed in accordance with the methodology used for financial reporting purposes, and for unvested awards subject to performance-based vesting conditions, based on the probable outcome of such performance-based vesting conditions as of the last day of the year. |  |  |
Compensation Actually Paid vs. Total Shareholder Return | Compensation Actually Paid vs. Geron 3-year Cumulative Total Shareholder Return (TSR) The following graph sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO NEOs, and the Company’s cumulative TSR over the three most recently completed fiscal years. |  |  |
Compensation Actually Paid vs. Net Income | Compensation Actually Paid and Net Income (Loss) The following graph sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO NEOs, and the Company’s net income (loss) over the three most recently completed fiscal years. |  |  |
Compensation Actually Paid vs. Company Selected Measure | Compensation Actually Paid and Net Product Revenue The following graph sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO NEOs, and the Company’s net product revenue over the four most recently completed fiscal years. |  |  |
Total Shareholder Return Vs Peer Group | Compensation Actually Paid vs. Geron 3-year Cumulative Total Shareholder Return (TSR) The following graph sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO NEOs, and the Company’s cumulative TSR over the three most recently completed fiscal years. |  |  |
Tabular List, Table | The following performance measure represents the most important measure used by the Company to link Compensation Actually Paid to our PEO and non-PEO NEOs for the most recently completed fiscal year.
• | Net Product Revenue (Company Selected Measure).
Total Shareholder Return Amount | $ 222.64 | 132.7 | 152.2 | 76.73
Peer Group Total Shareholder Return Amount | 93.49 | 94.03 | 89.9 | 100.02
Net Income (Loss) | $ (174,572,000) | $ (184,127,000) | $ (141,901,000) | $ (116,112,000)
Company Selected Measure Amount | 76,495,000 | 0 | 0 | 0
PEO Name | John Scarlett | John Scarlett | John Scarlett | John Scarlett
Equity Awards Adjustments, Footnote |
(b) | The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) the amount of change as of the end of the applicable year (from the end of the prior fiscal year) in fair value of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, a deduction for the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows:
| Year |  |  | Year End Fair Value of Equity Awards Granted in the Years |  |  | ​Change in Fair Value from End of Prior Year to End of Covered Year of Equity Awards Granted in Prior Years |  |  | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year |  |  | ​Change in Fair Value on the Vesting Date of Equity Awards Granted in Prior Years that Vested in the Year |  |  | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year |  |  | Dollar Value of Dividends or other Earnings Paid on Equity Awards not Otherwise Reflected in Fair Value or Total Compensation |  |  | Total Equity Award Adjustments |
| 2024 |  |  | $6,157,500 |  |  | $1,647,865 |  |  | $1,807,500 |  |  | $4,115,863 |  |  | $— |  |  | $— |  |  | $13,728,728 |
| 2023 |  |  | $2,013,959 |  |  | ($523,269) |  |  | $613,593 |  |  | $980,857 |  |  | $— |  |  | $— |  |  | $3,085,140 |
| 2022 |  |  | $3,124,188 |  |  | $381,355 |  |  | $629,125 |  |  | $235,326 |  |  | $— |  |  | $— |  |  | $4,369,994 |
| 2021 |  |  | $327,750 |  |  | ($267,010) |  |  | $110,000 |  |  | ($90,646) |  |  | $— |  |  | $— |  |  | $80,094 |
In the table above, the unvested equity values are computed in accordance with the methodology used for financial reporting purposes, and for unvested awards subject to performance-based vesting conditions, based on the probable outcome of such performance-based vesting conditions as of the last day of the year.
(a) | The amounts deducted or added in calculating the total average equity award adjustments are as follows:
| Year |  |  | Average Year End Fair Value of Equity Awards |  |  | ​Average Change in Fair Value From End of Prior Year to End of Covered Year of Equity Awards Granted in Prior Years |  |  | Average Fair Value as of Vesting Date of the Equity Awards Granted and Vested in the Year |  |  | Average Change in Fair Value on the Vesting Date of Equity Awards Granted in Prior Years that Vested in the Year |  |  | Average Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year |  |  | Average Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation |  |  | Average Total Equity Award Adjustments |
| 2024 |  |  | $3,600,808 |  |  | $403,385 |  |  | $308,781 |  |  | $765,214 |  |  | $— |  |  | $— |  |  | $5,078,188 |
| 2023 |  |  | $1,610,779 |  |  | ($64,149) |  |  | $91,163 |  |  | $145,781 |  |  | $— |  |  | $— |  |  | $1,783,574 |
| 2022 |  |  | $1,145,938 |  |  | $185,608 |  |  | $224,688 |  |  | $87,156 |  |  | $— |  |  | $— |  |  | $1,643,390 |
| 2021 |  |  | $163,875 |  |  | ($115,972) |  |  | $55,000 |  |  | $(27,145) |  |  | $— |  |  | $— |  |  | $75,758 |
In the table above, the unvested equity values are computed in accordance with the methodology used for financial reporting purposes, and for unvested awards subject to performance-based vesting conditions, based on the probable outcome of such performance-based vesting conditions as of the last day of the year. |  |  |
Measure:: 1 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Net Product Revenue |  |  |
PEO | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ 0 | $ 0 | $ 0 | $ 0
PEO | Aggregate Pension Adjustments Service Cost |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0 | 0
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (4,591,200) | (3,563,000) | (1,468,740) | (796,740)
PEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 13,728,728 | 3,085,140 | 4,369,994 | 80,094
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 6,157,500 | 2,013,959 | 3,124,188 | 327,750
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 1,647,865 | (523,269) | 381,355 | (267,010)
PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 1,807,500 | 613,593 | 629,125 | 110,000
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 4,115,863 | 980,857 | 235,326 | (90,646)
PEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0 | 0
PEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0 | 0
Non-PEO NEO | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0 | 0
Non-PEO NEO | Aggregate Pension Adjustments Service Cost |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0 | 0
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (3,798,555) | (2,280,040) | (524,550) | (398,370)
Non-PEO NEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 5,078,188 | 1,783,574 | 1,643,390 | 75,758
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 3,600,808 | 1,610,779 | 1,145,938 | 163,875
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 403,385 | (64,149) | 185,608 | (115,972)
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 308,781 | 91,163 | 224,688 | 55,000
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 765,214 | 145,781 | 87,156 | (27,145)
Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0 | 0
Non-PEO NEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ 0 | $ 0 | $ 0 | $ 0

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