Transfer-History
| Termin | Name | Pos | St. | Alter | | kam von | | ging zu | Ablöse |
|---|
| 05.12.2025 | Raab, Matheo | TW | 70 | 25 |  | 1. FC Köln |  | FC Ingolstadt 04 | 322.525 € |
| 29.11.2025 | Sildillia, Kiliann | RVIV | 73 | 22 | | 1. FC Köln |  | TSV 1860 München | 300.000 € |
| 28.11.2025 | Atubolu, Noah | TW | 78 | 22 |  | FC Bayern München | | 1. FC Köln | 1.531.535 € |
| 22.11.2025 | Moriba, Ilaix | ZMZDM | 78 | 21 |  | Hannover 96 | | 1. FC Köln | 735.000 € |
| 21.11.2025 | Balerdi, Leonardo | IV | 81 | 25 |  | VDFB Transferteam | | 1. FC Köln | 3.344.406 € |
| 16.11.2025 | Wolfram, Maximilian | LMSTLF | 65 | 27 | | 1. FC Köln | | TSV 1860 München | 75.000 € |
| 04.11.2025 | Sesko, Benjamin | ST | 80 | 21 | | FC Bayern München | | 1. FC Köln | 2.771.897 € |
| 20.10.2025 | Hettwer, Julian | LMRMLF | 69 | 21 | | 1. FC Köln |  | F.C. Hansa Rostock | 1.575.000 € |
| 17.06.2025 | Asta, Simon | RMRV | 69 | 23 | | 1. FC Köln |  | SpVgg Unterhaching | 164.012 € |
| 21.05.2025 | Costly, Marcel | RMRVRF | 67 | 28 |  | DSC Arminia Bielefeld | | 1. FC Köln | 141.669 € |
| 18.05.2025 | Schallenberg, Ron | ZDMZMIV | 69 | 26 | | 1. FC Köln |  | SC Preußen Münster | 50.000 € |
| 11.05.2025 | Szalai, Attila | IV | 72 | 26 | | DSC Arminia Bielefeld | | 1. FC Köln | 134.010 € |
| 07.05.2025 | Tisserand, Marcel | IV | 71 | 31 | | 1. FC Köln | | SpVgg Unterhaching | 59.490 € |
| 30.04.2025 | Sildillia, Kiliann | RVIV | 73 | 22 |  | 1. FC Magdeburg | | 1. FC Köln | 60.000 € |
| 30.04.2025 | Kunze, Fabian | ZDMZM | 70 | 26 |  | SC Paderborn 07 | | 1. FC Köln | 101 € |
| 22.04.2025 | Stergiou, Leonidas | RVIVZM | 71 | 22 | | 1. FC Köln | | SC Paderborn 07 | 2.000.000 € |
| 15.04.2025 | Boukhalfa, Carlo | ZMZOMZDM | 69 | 25 |  | 1. FSV Mainz 05 | | 1. FC Köln | 50.000 € |
| 08.04.2025 | Sano, Kaishu | ZDMZM | 75 | 23 | | 1. FC Köln |  | RB Leipzig | 948.150 € |
| 08.04.2025 | Engels, Arne | ZMZDM | 75 | 21 | | 1. FC Köln | | SC Paderborn 07 | 1.000.000 € |
| 30.12.2024 | Taffertshofer, Emanuel | - | 63 | 29 | | 1. FC Köln |  | SV Wehen Wiesbaden | 1 € |
| 18.12.2024 | Sano, Kaishu | ZDMZM | 68 | 23 | | VDFB Transferteam | | 1. FC Köln | 858.888 € |
| 12.12.2024 | Mack, Luca | - | 60 | 24 |  | SC Verl | | 1. FC Köln | 100 € |
| 02.12.2024 | Raab, Matheo | TW | 70 | 25 |  | 1. FC Saarbrücken | | 1. FC Köln | 101 € |
| 27.11.2024 | Wood, Bobby | - | 66 | 31 | | 1. FC Köln | | 1. FC Magdeburg | 80 € |
| 22.11.2024 | Murkin, Derry | LVLM | 70 | 25 |  | VfB Stuttgart | | 1. FC Köln | 2.182.890 € |