v3.25.1

Discontinued operations and assets held for sale - Net cash inflow/outflow on disposal of the Jyseleca business (Details) - EUR (€) |  | 12 Months Ended
--- | --- | ---
Jun. 21, 2022 | Dec. 31, 2024 | Dec. 31, 2022
Disclosure of analysis of single amount of off-balance sheet arrangements [line items] |  |  |
Cash out from disposals of subsidiaries, net of cash disposed of |  | € (8,949,000) |
Other Liabilities Relate To The Disposal Of Subsidiaries [line items] |  |  |
Cash used for other liabilities related to the disposal of subsidiaries | € (28,164,000) | (3,598,000) | € (28,164,000)
Escrow Account |  | 41,163,000 |
Jyseleca Business [member] |  |  |
Disclosure of analysis of single amount of off-balance sheet arrangements [line items] |  |  |
Upfront Payment Received |  | 50,000,000 |
Settlement for net cash and working capital |  | 9,835,000 |
Transfer to escrow account |  | (40,000,000) |
Contribution for R&D costs paid by us to Alfasigma |  | (15,000,000) |
Earn-out paid by Alfasigma |  | 2,053,000 |
Less: Cash and cash equivalents balances disposed of |  | (19,523,000) |
Less: settlement of pre-existing relationships |  | 3,686,000 |
Cash out from disposals of subsidiaries, net of cash disposed of |  | (8,949,000) |
Other Liabilities Relate To The Disposal Of Subsidiaries [line items] |  |  |
Costs associated to the sale taken into result in 2023 |  | (3,072,000) |
Costs associated to the sale taken into result in 2024 |  | (526,000) |
Cash used for other liabilities related to the disposal of subsidiaries |  | (3,598,000) |
Escrow Account |  | 40,000,000 |
Jyseleca Business [member] | Alfasigma [member] |  |  |
Other Liabilities Relate To The Disposal Of Subsidiaries [line items] |  |  |
Upfront Payment Received Discontinued Operations |  | 50,000,000 |
Cash Related To Disposal Transfered To Escrow Account |  | € 40,000,000 |

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