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Goodwill (Details) - EUR (€) € in Thousands | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Goodwill |  |  |  |
Goodwill | € 43,161 | € 43,391 | € 43,158 | € 44,155
CGU: MAT Software |  |  |  |
Goodwill |  |  |  |
Goodwill | 28,961 | 28,961 | 28,961 |
CGU: e-Prototypy |  |  |  |
Goodwill |  |  |  |
Goodwill | 809 | 799 | 787 |
CGU: ACTech |  |  |  |
Goodwill |  |  |  |
Goodwill | 8,812 | 8,812 | 8,812 |
CGU: OrthoView |  |  |  |
Goodwill |  |  |  |
Goodwill | € 4,579 | € 4,819 | € 4,598 |

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