| Player | From | Fee | Date |
|---|---|---|---|
| Onoda Ryota | FC Augsburg | 2.9M | 16.08.2028 |
| Becker Matthias | Academy | Free | 23.08.2028 |
| Ziegler Robert | Academy | Free | 23.08.2028 |
| Meyer Ralph | Academy | Free | 23.08.2028 |
| Schäfer Peter | Academy | Free | 23.08.2028 |
| Vogt Christian | Academy | Free | 23.08.2028 |
| Gómez Maximiliano | Hamburger SV | 4.9M | 23.08.2028 |
| Bancu Nicuşor | Free Agent | Free | 24.01.2029 |
| Sellegard Alexander | Free Agent | Free | 30.01.2029 |
| Player | To | Fee | Date |
|---|---|---|---|
| Braga Lucas | TSG Hoffenheim | Free | 13.08.2028 |
| Jeong Woo-Yeong | VfL Wolfsburg | 44.1M | 16.01.2029 |
| Player | From | Date | End Date |
|---|---|---|---|
| Kastanaras Thomas | FC Augsburg | 29.01.2029 | 29.04.2029 |
| Player | To | Date | End Date |
|---|---|---|---|
| Bogdanov Dmytro | Werder Bremen | 03.09.2028 | 01.05.2029 |
| Onoda Ryota | Málaga | 28.08.2028 | 25.05.2029 |