Polonia Bytom: every transfer in and out, fees paid and earned, squad market value and €400k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-11 | Daniel Rumin | GKS Tychy | Polonia Bytom | Free |
| 2026-07-16 | Oleksandr Azatskyi | Polonia Bytom | Warta Poznan | Free |
| 2026-07-09 | Benedik Mioc | Miedz Legnica | Polonia Bytom | Free |
| 2026-07-07 | Mateusz Wziech | ŁKS Łódź | Polonia Bytom | Free |
| 2026-07-01 | Szymon Kądziołka | Stal Rzeszow | Polonia Bytom | Free |
| 2026-07-01 | Aleksander Gajgier | Pogon Grodzisk | Polonia Bytom | Free |
| 2026-07-01 | Wojciech Banasik | Legia Warszawa | Polonia Bytom | Free |
| 2026-07-01 | Mikulas Bakala | Polonia Bytom | Banska Bystrica | Free |
| 2026-07-01 | Oliwier Kwiatkowski | Polonia Bytom | Raków Częstochowa | €400k |
| 2026-01-30 | Jakub Łukowski | GKS GieKSa Katowice Spółka Akcyjna | Polonia Bytom | Free |
| 2026-01-26 | Jan Labedzki | Bologna U19 | Polonia Bytom | Free |
| 2025-09-08 | Theodoros Tsirigotis | Górnik Zabrze | Polonia Bytom | Loan |
| 2025-09-04 | Matej Matic | Polissya | Polonia Bytom | Loan |
| 2025-08-14 | Mikulas Bakala | FC Den Bosch | Polonia Bytom | Free |
| 2025-08-11 | Antoni Burkiewicz | Raków Częstochowa | Polonia Bytom | Loan |
| 2025-07-18 | Kacper Terlecki | ŁKS Łódź | Polonia Bytom | Loan |
| 2025-07-17 | Jakub Kristan | Wisła Płock | Polonia Bytom | Free |
| 2025-07-09 | Szymon Michalski | Polonia Bytom | Warta Poznan | Free |
| 2025-07-07 | Jordi Calavera | SD Amorebieta | Polonia Bytom | Free |
| 2025-07-05 | Dawid Szwiec | Górnik Zabrze II | Polonia Bytom | Loan |