BSK Banja Luka (Premier Liga): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-08-27 | S. Marjanović | TBC | BSK Banja Luka | Free |
| 2025-08-08 | Josip Mihalić | BSK Banja Luka | Bjelovar | Free |
| 2025-07-01 | Danilo Sipovac | BSK Banja Luka | Pulau Pinang | Free |
| 2025-07-01 | Karlo Tomašec | BSK Banja Luka | TBC | Free |
| 2025-07-01 | Riku Takei | BSK Banja Luka | Minija | Free |
| 2025-02-27 | Karlo Tomašec | TBC | BSK Banja Luka | Free |
| 2025-02-27 | Josip Mihalić | NK Rudes | BSK Banja Luka | Free |
| 2025-02-17 | Danilo Sipovac | TBC | BSK Banja Luka | Free |
| 2024-07-05 | Srdjan Modic | BSK Banja Luka | Rudar Prijedor | Free |
| 2023-08-08 | Player | Sloga Doboj | BSK Banja Luka | Loan |
| 2023-07-05 | Srdjan Modic | Kozara Gradiska | BSK Banja Luka | Free |