Stomil Olsztyn (I liga): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-28 | Player | Stomil Olsztyn | Starowice Dolne | Free |
| 2024-07-31 | Łukasz Szramowski | Stomil Olsztyn | Zawisza Bydgoszcz | Free |
| 2024-07-30 | Player | Chojniczanka Chojnice | Stomil Olsztyn | Free |
| 2024-07-30 | Ivan Brikner | Stomil Olsztyn | Sokół Kleczew | Free |
| 2024-07-24 | Jan Szpaderski | Stomil Olsztyn | Wisła Puławy | Free |
| 2024-07-24 | Daniel Pietraszkiewicz | Stomil Olsztyn | Sandecja Nowy Sącz | Free |
| 2024-07-21 | Player | Stomil Olsztyn | SKRA Częstochowa | Free |
| 2024-07-20 | Player | Stomil Olsztyn | Karkonosze Jelenia Góra | Free |
| 2024-07-11 | Player | Olimpia Zambrów | Stomil Olsztyn | Free |
| 2024-07-09 | Player | Jagiellonia II | Stomil Olsztyn | Free |
| 2024-07-05 | Filip Szabaciuk | Stomil Olsztyn | Górnik Łęczna | Free |
| 2024-07-01 | Player | Stomil Olsztyn | Free | |
| 2024-07-01 | Player | Stomil Olsztyn | Wikielec | Free |
| 2024-02-16 | Player | Stomil Olsztyn | Wikielec | Loan |
| 2024-01-19 | Ivan Brikner | Zhetysu | Stomil Olsztyn | Free |
| 2023-09-04 | Player | Pogon Szczecin | Stomil Olsztyn | Loan |
| 2023-08-11 | Jan Szpaderski | Radomiak Radom | Stomil Olsztyn | Free |
| 2023-07-31 | Igor Kośmicki | Korona Kielce | Stomil Olsztyn | Loan |
| 2023-07-25 | Player | GKS Tychy | Stomil Olsztyn | Free |
| 2023-07-21 | Shun Shibata | Stomil Olsztyn | GKS GieKSa Katowice Spółka Akcyjna | Free |