Transfer-History
| Termin | Name | Pos | St. | Alter | | kam von | | ging zu | Ablöse |
|---|
| 07.04.2026 | Cuisance, Mickaël | ZMRMZOM | 72 | 25 |  | FC Bayern München |  | 1. FC Union Berlin | 328.546 € |
| 07.04.2026 | Yigit, Seyhan | RVRM | 60 | 21 |  | FC Augsburg | | 1. FC Union Berlin | 52.500 € |
| 06.04.2026 | Owusu, Prince Osei | ST | 70 | 27 | | 1. FC Union Berlin |  | FC Viktoria Köln | 202 € |
| 02.04.2026 | Sands, James | ZDMZM | 72 | 24 | | 1. FC Union Berlin |  | Alemannia Aachen | 202 € |
| 01.04.2026 | Palacios, Exequiel | ZMZDM | 83 | 26 |  | SpVgg Greuther Fürth | | 1. FC Union Berlin | 400.001 € |
| 30.03.2026 | Biron, Mickaël | STZOMRM | 66 | 27 | | 1. FC Union Berlin |  | SC Preußen Münster | 50.000 € |
| 04.01.2026 | Biron, Mickaël | STZOMRM | 67 | 27 | | Alemannia Aachen | | 1. FC Union Berlin | 40.001 € |
| 01.01.2026 | Clausen, Mika | RMLMZOMRF | 64 | 22 | | 1. FC Union Berlin |  | Rot-Weiss Essen | 25.000 € |
| 23.12.2025 | Gillekens, Jordy | IV | 65 | 24 | | 1. FC Union Berlin |  | FC Schalke 04 | 3.001 € |
| 23.12.2025 | Langhans, Leonard | RVRM | 61 | 25 | | 1. FC Union Berlin | | FC Schalke 04 | 23.001 € |
| 15.12.2025 | Yokota, Daisuke | RFZOMRM | 69 | 24 |  | Hannover 96 | | 1. FC Union Berlin | 211.262 € |
| 12.12.2025 | Coskun, Can | LVLM | 65 | 26 | | 1. FC Union Berlin |  | SV Elversberg | 15.000 € |
| 09.12.2025 | Mukiele, Nordi | IVRV | 79 | 26 |  | VfL Osnabrück | | 1. FC Union Berlin | 1 € |
| 05.12.2025 | Rothe, Tom | LVLMIV | 74 | 19 |  | MSV Duisburg | | 1. FC Union Berlin | 400.000 € |
| 03.12.2025 | Maehle, Joakim | LVRVLM | 77 | 27 | | Hannover 96 | | 1. FC Union Berlin | 385.875 € |
| 30.11.2025 | Shaqiri, Xherdan | ZOMRFSTZM | 78 | 33 | | 1. FC Union Berlin | | FC Schalke 04 | 201.904 € |
| 27.11.2025 | Sietan, Janne | ZDMZM | 64 | 22 |  | VDFB Transferteam | | 1. FC Union Berlin | 35.700 € |
| 24.11.2025 | Janssen, Marek | ST | 63 | 27 | | FC Viktoria Köln | | 1. FC Union Berlin | 22.223 € |
| 16.11.2025 | Coulibaly, Tanguy | LMRMSTLF | 71 | 23 | | 1. FC Union Berlin |  | TSV 1860 München | 524.998 € |
| 09.11.2025 | Nkunku, Christopher | ZOMLMSTZM | 81 | 26 |  | VfB Stuttgart | | 1. FC Union Berlin | 496.125 € |
| 03.11.2025 | Sarenren Bazee, Noah | RFLFRM | 68 | 28 | | 1. FC Union Berlin |  | DSC Arminia Bielefeld | 300.001 € |
| 01.11.2025 | Ogbemudia, Oluwaseun | IV | 59 | 18 | | VDFB Transferteam | | 1. FC Union Berlin | 200.001 € |
| 27.10.2025 | Campulka, Tim | IV | 64 | 25 | | DSC Arminia Bielefeld | | 1. FC Union Berlin | 121.677 € |
| 27.10.2025 | Pick, Florian | ZOMRMLMZM | 67 | 29 | | 1. FC Union Berlin | | FC Schalke 04 | 135.000 € |
| 21.10.2025 | Engelhardt, Marcel | TW | 64 | 31 | | 1. FC Union Berlin |  | SSV Jahn Regensburg | 1.002 € |