| Player | From | Fee | Date |
|---|---|---|---|
| Ilsanker Lukas | Mattersburg | 8.2M | 09.08.2026 |
| Swider Niklas | Borussia Mönchengladbach | 1.3M | 21.08.2026 |
| Mohya Wael | Borussia Mönchengladbach | 620.0K | 23.08.2026 |
| Bekir İş Ebu | Eintracht Frankfurt | 2.0M | 27.08.2026 |
| Baum Elias | Eintracht Frankfurt | 2.4M | 02.09.2026 |
| Player | To | Fee | Date |
|---|---|---|---|
| Moreno Fell Fabio | Free Agent | Free | 19.12.2026 |
| Player | To | Date | End Date |
|---|---|---|---|
| Hong Hyun-Seok | KAA Gent | 30.06.2027 | |
| Otto Ruoppi | KuPS | 30.06.2027 | |
| Arnaud Nordin | Stade Rennais | 30.06.2027 | |
| Tom Krauß | 1. FC Köln | 30.06.2027 | |
| Benedict Hollerbach | SC Freiburg | 01.09.2026 | 17.05.2027 |
| Paul Nebel | VfL Wolfsburg | 20.08.2026 | 17.05.2027 |