1. FC Union Berlin
Zugänge
| ab | Name | Pos | Mannschaft | Team | ||
|---|---|---|---|---|---|---|
| 07/2025 |  | Lennart Grill | TW |  | SpVgg Greuther Fürth | Gr. Fürth |
| 07/2025 | | Yannic Stein | TW |  | SV Babelsberg 03 | Babelsberg |
| 07/2025 | | Paul Jaeckel | AB |  | Eintracht Braunschweig | Braunschweig |
| 07/2025 | | Andrik Markgraf | AB |  | 1. FC Union Berlin U19 | Union Berlin U19 |
| 07/2025 |  | Alex Král | MF |  | Espanyol Barcelona | Espanyol |
| 07/2025 | | Ilyas Ansah | ST |  | SC Paderborn 07 | Paderborn |
| 07/2025 |  | Livan Burcu | ST |  | 1. FC Magdeburg | Magdeburg |
| 07/2025 |  | Oliver Burke | ST |  | Werder Bremen | Werder |
| 02/2025 |  | Marin Ljubičić | ST |  | LASK | LASK |
| 02/2025 |  | Chris Bedia | ST |  | Hull City | Hull City |
| 01/2025 | | Steffen Baumgart | TR | |||
| 01/2025 | | Sebastian Bönig | CO-TR | |||
| 01/2025 |  | Kevin McKenna | CO-TR | |||
| 01/2025 | | René Wagner | CO-TR | |||
| 01/2025 | | Tobias Drössler | SP-AN |
Abgänge
| ab | Name | Pos | Mannschaft | Team | ||
|---|---|---|---|---|---|---|
| 07/2025 |  | Woo-yeong Jeong | MF |  | VfB Stuttgart | Stuttgart |
| 07/2025 | | Benedict Hollerbach | ST |  | 1. FSV Mainz 05 | Mainz 05 |
| 07/2025 | | Ivan Prtajin | ST |  | 1. FC Kaiserslautern | K'lautern |
| 07/2025 | | Kevin Volland | ST |  | TSV 1860 München | 1860 |
| 02/2025 |  | Jordan Siebatcheu | ST |  | Stade de Reims | Stade Reims |
| 02/2025 |  | Yorbe Vertessen | ST |  | RB Salzburg | RB Salzburg |
| 02/2025 | | Chris Bedia | ST |  | BSC Young Boys | Young Boys |
| 01/2025 | | Yannic Stein | TW | | SV Babelsberg 03 | Babelsberg |
