| Player | From | Fee | Date |
|---|---|---|---|
| Neumann Andreas | Academy | Free | 03.08.2026 |
| Simon Jürgen | Academy | Free | 03.08.2026 |
| Friedrich Stephan | Academy | Free | 03.08.2026 |
| Zimmermann Jan | Academy | Free | 03.08.2026 |
| Lehmann Lukas | Academy | Free | 03.08.2026 |
| Horn Sven | Academy | Free | 03.08.2026 |
| Müller Ralf | Academy | Free | 03.08.2026 |
| Brandt Maximilian | Academy | Free | 03.08.2026 |
| Franke Anton | Academy | Free | 03.08.2026 |
| Möller Kevin | Academy | Free | 03.08.2026 |
| Yoel | Free Agent | Free | 03.08.2026 |
| Júnior Luiz | Villarreal | 24.0M | 15.08.2026 |
| Busnić Aleksandar | Free Agent | Free | 31.08.2026 |
| Lehmann Marc | Academy | Free | 07.09.2026 |
| Schmid Dominik | Academy | Free | 07.09.2026 |
| Caicedo Luis | Free Agent | Free | 01.10.2026 |
| Huber Leon | Academy | Free | 05.10.2026 |
| Franke Helmut | Academy | Free | 02.11.2026 |
| Player | To | Fee | Date |
|---|---|---|---|
| Gomis Tidiam | Borussia Mönchengladbach | 6.1M | 24.08.2026 |
| Maksimović Andrija | Heidenheim | 5.1M | 27.08.2026 |
| Klostermann Lukas | Eintracht Frankfurt | 10.7M | 31.08.2026 |
| Player | From | Date | End Date |
|---|---|---|---|
| Potulski Kacper | Mainz 05 | 07.08.2026 | 03.06.2027 |
| Al-Dakhil Ameen | VfB Stuttgart | 15.08.2026 | 11.06.2027 |