| Player | From | Fee | Date |
|---|---|---|---|
| Kittel Sonny | Free Agent | Free | 02.08.2026 |
| Aranda Óscar | Free Agent | Free | 04.08.2026 |
| Fischer Kilian | VfL Wolfsburg | 11.2M | 09.08.2026 |
| Zimmermann Sven | Academy | Free | 23.08.2026 |
| Arnold Paul | Academy | Free | 23.08.2026 |
| Horn Felix | Academy | Free | 23.08.2026 |
| Hofmann Heinrich | Academy | Free | 23.08.2026 |
| Engel Ralf | Academy | Free | 23.08.2026 |
| Player | To | Fee | Date |
|---|---|---|---|
| Friedrich Marvin | Free Agent | Free | 01.08.2026 |
| Burke Oliver | Eintracht Frankfurt | 7.9M | 14.08.2026 |
| Ilić Andrej | Mainz 05 | 4.5M | 30.08.2026 |
| Raab Matheo | Borussia Dortmund | 5.3M | 06.01.2027 |
| Player | From | Date | End Date |
|---|---|---|---|
| Ebnoutalib Younes | Eintracht Frankfurt | 31.08.2026 | 28.04.2027 |
| Player | To | Date | End Date |
|---|---|---|---|
| Bogdanov Dmytro | Borussia Dortmund | 07.01.2027 | 07.05.2027 |