| Player | From | Fee | Date |
|---|---|---|---|
| Günter Christian | SC Freiburg | Free | 01.08.2028 |
| Voigt Christian | Academy | Free | 23.08.2028 |
| Schumacher Anton | Academy | Free | 23.08.2028 |
| Krause Tim | Academy | Free | 23.08.2028 |
| Lorenz Karl | Academy | Free | 23.08.2028 |
| Engel René | Academy | Free | 23.08.2028 |
| Francisco Ryan | Sport Recife | 26.7M | 06.01.2029 |
| Ríos Richard | Borussia Dortmund | 11.4M | 15.01.2029 |
| Asp-Jensen Jonathan | Bayern Munich | 3.6M | 23.01.2029 |
| Chiarodia Fabio | Borussia Mönchengladbach | 11.1M | 24.01.2029 |
| Player | To | Fee | Date |
|---|---|---|---|
| Teuma Teddy | VfB Stuttgart | Free | 25.08.2028 |
| Thomas Delé | Union Berlin | 8.6M | 27.08.2028 |
| Augusto Pedro | VfB Stuttgart | Free | 08.09.2028 |
| Burke Oliver | VfB Stuttgart | Free | 05.01.2029 |
| Seidl Matthias | Borussia Dortmund | 10.5M | 06.01.2029 |
| Player | To | Date | End Date |
|---|---|---|---|
| Vermeeren Arthur | Köln | 29.01.2029 | 29.04.2029 |
| Konaté Samba | Köln | 03.02.2029 | 04.05.2029 |
| Finkgräfe Max | Bayer Leverkusen | 05.02.2029 | 02.12.2029 |