| Year ended December 31, | ||
| 2022 | 2023 | |
| (€) | (€) | |
| Marc de Garidel—Chief Executive Officer and Chairman from May 5, 2023 | ||
| Fixed compensation ................................................................................... | N/A | 359,274 |
| Variable annual compensation .................................................................. | N/A | 217,582 |
| Variable multi-year compensation ............................................................. | N/A | — |
| Exceptional variable compensation ........................................................... | N/A | — |
| Remuneration allocated due to mandate as director ................................. | N/A | — |
| Benefits in kind ........................................................................................... | N/A | 28,496 |
| Total .......................................................................................................... | N/A | 605,353 |
| Hartmut Ehrlich—Chief Executive Officer until May 5, 2023 (2) | ||
| Fixed compensation ................................................................................... | 321,906 | 111,773 |
| Variable annual compensation(1) ................................................................ | 193,144 | 64,381 |
| Variable multi-year compensation ............................................................. | — | — |
| Exceptional variable compensation ........................................................... | — | — |
| Remuneration allocated due to mandate as director ................................. | — | — |
| Benefits in kind ........................................................................................... | 8,880 | 3,083 |
| Total .......................................................................................................... | 523,930 | 179,238 |
| (amounts in thousands of euros) | LICENCES | SOFTWARES | PATENTS | OTHER INTANGIBLE ASSETS | TOTAL | |
| AMORTIZATION | AS OF JANUARY 1, 2021 | 0 | -12 | -12 | ||
| Increase | 0 | -4 | 0 | 0 | -4 | |
| Decrease | 0 | 0 | 0 | 0 | 0 | |
| AS OF DECEMBER 31, 2021 | 0 | -17 | 0 | 0 | -17 | |
| Increase | -45 | -4 | 0 | 0 | -50 | |
| Decrease | 0 | 0 | 0 | 0 | 0 | |
| AS OF DECEMBER 31, 2022 | -45 | -21 | 0 | 0 | -66 | |
| Increase | 0 | -3 | 0 | 0 | -2 | |
| Decrease | 0 | 0 | 0 | 0 | 0 | |
| AS OF DECEMBER 31, 2023 | -45 | -24 | 0 | 0 | -69 |
| (amounts in thousands of euros) | LICENCES | SOFTWARES | PATENTS | OTHER INTANGIBLE ASSETS | TOTAL | |
| NET BOOK VALUES | AS OF JANUARY 1, 2021 | 85 | 12 | — | — | 97 |
| AS OF DECEMBER 31, 2021 | 85 | 8 | — | — | 93 | |
| AS OF DECEMBER 31, 2022 | 75 | 3 | 6,529 | — | 6,607 | |
| AS OF DECEMBER 31, 2023 | 75 | — | 6,529 | — | 6,604 |
| (amounts in thousands of euros) | AS OF DECEMBER 31, 2021 | AS OF DECEMBER 31, 2022 | AS OF DECEMBER 31, 2023 | |
| OTHER FINANCIAL ASSETS | Advances related to CRO contracts | — | 10,471 | 12,172 |
| Deposits | 1,342 | 1,238 | 574 | |
| Other | — | — | 124 | |
| Total other non-current financial assets | 1,342 | 11,708 | 12,870 | |
| Other investments | — | — | 9,050 | |
| Deposits | — | — | 136 | |
| Total other current financial assets | — | — | 9,186 | |
| Other financial assets | 1,342 | 11,708 | 22,055 |
| AS OF DECEMBER 31, 2023 | |||||||
| CURRENT AND NON-CURRENT FINANCIAL LIABILITIES | GROSS AMOUNT | CONTRACTUAL CASH FLOWS | LESS THAN 1 YEAR | FROM 1 TO 2 YEARS | FROM 2 TO 5 YEARS | LONGER THAN 5 YEARS | |
| (amounts in thousands of euros) | Heights convertible notes | 29,605 | 36,750 | 10,522 | 9,997 | 16,231 | — |
| Kreos/Claret convertible notes (OCABSA) | 21,643 | 30,903 | 2,250 | 2,250 | 26,403 | — | |
| PGE | 3,678 | 3,880 | 1,293 | 1,293 | 1,293 | — | |
| Conditional advances BPI | 6,771 | 6,813 | 3,697 | 1,490 | 1,626 | — | |
| Royalty certificates | 12,229 | — | — | — | — | — | |
| Lease liabilities | 540 | 575 | 406 | 162 | 7 | — | |
| Derivative instruments | 2,579 | 2,579 | 2,579 | — | — | — | |
| Total financial liabilities | 77,045 | 81,500 | 20,747 | 15,192 | 45,561 | — |
