Koln U19 (U19 Bundesliga): every transfer in and out, fees paid and earned, squad market value and €780k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-01 | Justin von der Hitz | Koln U19 | 1. FC Nürnberg | €80k |
| 2024-07-01 | Player | Koln U19 | 1.FC Köln | Free |
| 2024-07-01 | Samuele Carella | Koln U19 | Viktoria Köln U19 | Free |
| 2024-07-01 | Jaka Cuber Potocnik | Koln U19 | 1.FC Köln | Free |
| 2024-07-01 | Julian Pauli | Koln U19 | 1.FC Köln | Free |
| 2024-07-01 | Neo Telle | Koln U19 | Köln II | Free |
| 2024-01-01 | Matti Wagner | Koln U19 | Köln II | Free |
| 2023-07-01 | Samuele Carella | Köln U17 | Koln U19 | Free |
| 2023-07-01 | Player | Köln U17 | Koln U19 | Free |
| 2023-07-01 | Justin von der Hitz | Köln U17 | Koln U19 | Free |
| 2023-07-01 | Luan Simnica | Koln U19 | VfB Stuttgart | Free |
| 2023-07-01 | Tidiane Touré | Koln U19 | Köln II | Free |
| 2023-07-01 | Emin Kujovic | Koln U19 | Köln II | Free |
| 2023-07-01 | Meiko Wäschenbach | Koln U19 | Köln II | Free |
| 2023-07-01 | Player | Koln U19 | Köln II | Free |
| 2023-07-01 | Justin Diehl | Koln U19 | Köln II | Free |
| 2023-01-20 | Player | RB Leipzig U19 | Koln U19 | Free |
| 2022-08-11 | Namory Cisse | Koln U19 | Fortuna Sittard U21 | Free |
| 2022-07-01 | Julian Pauli | Köln U17 | Koln U19 | Free |
| 2022-07-01 | Neo Telle | Köln U17 | Koln U19 | Free |