Transfer-History
| Termin | Name | Pos | St. | Alter | | kam von | | ging zu | Ablöse |
|---|
| 19.04.2022 | Arnold, Maximilian | ZDMZM | 80 | 24 |  | Borussia Mönchengladbach |  | 1. FC Union Berlin | 1.000.000 € |
| 17.04.2022 | Koubek, Tomáš | - | 71 | 26 | | 1. FC Union Berlin |  | RB Leipzig | 262.500 € |
| 15.04.2022 | Eggestein, Johannes | STZOM | 70 | 20 |  | Türkgücü München | | 1. FC Union Berlin | 500.000 € |
| 12.04.2022 | Trujic, Nikola | - | 64 | 26 | | 1. FC Union Berlin |  | 1. FC Magdeburg | 31.500 € |
| 11.04.2022 | Yildirim, Aygün | - | 67 | 23 | | 1. FC Union Berlin | | Türkgücü München | 350.001 € |
| 11.04.2022 | Blum, Danny | - | 71 | 27 | | 1. FC Union Berlin | | RB Leipzig | 900.000 € |
| 09.04.2022 | Bénes, László | ZMZOMZDM | 73 | 21 |  | Hannover 96 | | 1. FC Union Berlin | 714.712 € |
| 05.04.2022 | Zieler, Ron-Robert | TW | 73 | 29 | | RB Leipzig | | 1. FC Union Berlin | 890.965 € |
| 05.04.2022 | Ache, Ragnar | ST | 69 | 20 | | 1. FC Union Berlin |  | SC Freiburg | 554.583 € |
| 05.04.2022 | Karaman, Kenan | ZOMSTLFZM | 69 | 24 | | RB Leipzig | | 1. FC Union Berlin | 335.024 € |
| 04.04.2022 | Didavi, Daniel | - | 71 | 28 | | Borussia Mönchengladbach | | 1. FC Union Berlin | 275.626 € |
| 04.04.2022 | Veljkovic, Milos | - | 73 | 23 |  | 1. FC Heidenheim | | 1. FC Union Berlin | 155.128 € |
| 04.04.2022 | Marinovic, Stefan | - | 69 | 27 | | 1. FC Union Berlin |  | SV Meppen | 400.000 € |
| 12.01.2022 | Koubek, Tomáš | - | 71 | 26 |  | SSV Jahn Regensburg | | 1. FC Union Berlin | 105.001 € |
| 10.01.2022 | Rode, Sebastian | - | 77 | 28 | | Hannover 96 | | 1. FC Union Berlin | 873.159 € |
| 04.01.2022 | Früchtl, Christian | TW | 66 | 18 | | 1. FC Union Berlin |  | F.C. Hansa Rostock | 352.073 € |
| 03.01.2022 | Duman, Taylan | ZMZDM | 65 | 21 | | 1. FC Union Berlin |  | Eintracht Frankfurt | 21.001 € |
| 13.06.2021 | Tisserand, Marcel | IV | 74 | 25 | | 1. FC Union Berlin |  | 1. FC Saarbrücken | 225.000 € |
| 14.05.2021 | Mölders, Sascha | - | 68 | 33 | | 1. FC Union Berlin |  | TSV 1860 München | 31.500 € |
| 07.05.2021 | Wirtz, Florian | ZOMLMZM | 76 | 15 |  | VDFB Transferteam | | 1. FC Union Berlin | 3.500.000 € |
| 06.05.2021 | Burmeister, Felix | - | 62 | 28 |  | KFC Uerdingen 05 | | 1. FC Union Berlin | 1 € |
| 05.05.2021 | Gogia, Akaki | - | 69 | 26 | | 1. FC Union Berlin |  | SV Waldhof Mannheim 07 | 15.000 € |
| 27.04.2021 | Kamavuaka, Wilson | - | 64 | 28 |  | VfB Lübeck | | 1. FC Union Berlin | 200 € |
| 20.04.2021 | Wolf, Marius | RVRM | 76 | 23 | | 1. FC Union Berlin | | SSV Jahn Regensburg | 971.251 € |
| 20.04.2021 | Hrgota, Branimir | ZOMSTZM | 72 | 25 |  | FC Viktoria Köln | | 1. FC Union Berlin | 190.366 € |