v3.25.4
Revenue from collaboration agreements - Summary of Deferred revenue related to the collaboration agreements (Detail) - EUR (€)
€ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Mar. 31, 2022
Revenue [abstract]      
Current € 15,816 € 35,908  
Non-current 18,541 34,161  
Total € 34,357 € 70,069 € 41,800