Kozakken Boys (Tweede Divisie): every transfer in and out, fees paid and earned, squad market value and €10k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-02 | Dion Versluis | NAC Breda | Kozakken Boys | Loan |
| 2025-07-01 | Dean van der Sluys | De Treffers | Kozakken Boys | Free |
| 2025-07-01 | Jordy Thomassen | De Treffers | Kozakken Boys | Free |
| 2025-07-01 | Mark Veenhoven | Spakenburg | Kozakken Boys | Free |
| 2025-07-01 | Gabri Urbanus | Capelle | Kozakken Boys | Free |
| 2025-07-01 | Mouad Hassan | UNA | Kozakken Boys | Free |
| 2025-07-01 | Quentin van Beekveld | OJC Rosmalen | Kozakken Boys | Free |
| 2025-07-01 | Raily Ignacio | Kozakken Boys | SDC Putten | Free |
| 2025-07-01 | Player | Kozakken Boys | TEC | Free |
| 2025-07-01 | Coen Maertzdorf | Kozakken Boys | De Treffers | Free |
| 2025-07-01 | Player | Kozakken Boys | TEC | Free |
| 2025-07-01 | Player | Kozakken Boys | Baronie | Free |
| 2024-08-06 | Player | Kozakken Boys | Smitshoek | Free |
| 2024-07-29 | Grad Damen | TOP Oss | Kozakken Boys | Free |
| 2024-07-01 | Ramón ten Hove | Helmond Sport | Kozakken Boys | Free |
| 2024-07-01 | Oussama Bouyaghlafen | De Treffers | Kozakken Boys | Free |
| 2024-07-01 | Gladwin Curiel | AFC | Kozakken Boys | Free |
| 2024-07-01 | Player | Willem II U21 | Kozakken Boys | Free |
| 2024-07-01 | Player | Kozakken Boys | Sportlust '46 | Free |
| 2024-07-01 | Player | Kozakken Boys | Free |