v3.26.1
Other operating income (loss) - Research and development (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Expenses      
Research and development expenses related to internal R&D projects and overhead costs € 37,509 € 50,857 € 67,210
Research and development expense      
Expenses      
Depreciation and amortization expense € 1,740 € 924 € 464