GKS Katowice II: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-04-08 | Wojciech Pańkowski | GKS Katowice II | GKS Katowice | — |
| 2025-10-24 | Jakub Kokosiński | GKS Katowice II | GKS Katowice | — |
| 2025-07-28 | Miłosz Swatowski | GKS Katowice II | GKS Katowice | — |
| 2025-07-14 | Wojciech Pańkowski | GKS Katowice U19 | GKS Katowice II | — |
| 2024-07-01 | Miłosz Swatowski | Katowice Youth | GKS Katowice II | — |
| 2024-07-01 | Jakub Kokosiński | Katowice Youth | GKS Katowice II | — |
| 2024-04-13 | Łukasz Trepka | GKS Katowice II | GKS Katowice | — |
| 2023-07-01 | Łukasz Trepka | GKS Katowice U19 | GKS Katowice II | — |
| 2022-07-06 | Alan Bród | GKS Katowice II | GKS Katowice | — |
| 2021-01-01 | Alan Bród | GKS Katowice U19 | GKS Katowice II | — |