Osasuna II (Primera Federación): every transfer in and out, fees paid and earned, squad market value, €80k spent and €2m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-13 | Player | Osasuna II | Extremadura 1924 | Free |
| 2026-07-27 | Mikel Serrano | Osasuna II | Unionistas de Salamanca | Free |
| 2026-07-24 | Player | Osasuna II | Sestao River | Free |
| 2026-07-21 | Rufino Lucero | Osasuna II | CD Lugo | Free |
| 2026-07-09 | Player | Osasuna II | Unionistas de Salamanca | Free |
| 2026-07-08 | Dimitrios Stamatakis | Osasuna II | UD Ibiza | Loan |
| 2026-07-02 | Ander Yoldi | Osasuna II | UD Ibiza | Free |
| 2026-07-01 | Asier Arocena | Mutilvera | Osasuna II | Free |
| 2026-07-01 | Mikel Serrano | Osasuna II | TBC | Free |
| 2026-07-01 | Rufino Lucero | Osasuna II | TBC | Free |
| 2026-07-01 | Player | Osasuna II | TBC | Free |
| 2026-07-01 | Roberto Arroyo | Osasuna II | TBC | Free |
| 2026-07-01 | Raúl Chasco | Osasuna II | TBC | Free |
| 2026-07-01 | Player | Osasuna II | TBC | Free |
| 2026-07-01 | Player | Osasuna II | TBC | Free |
| 2026-07-01 | Ander Yoldi | Osasuna II | TBC | Free |
| 2026-07-01 | Player | Osasuna II | TBC | Free |
| 2026-07-01 | Player | Osasuna II | Eibar II | Free |
| 2026-07-01 | Roberto Arroyo | Osasuna II | Racing Ferrol | Free |
| 2026-01-22 | Manu Rico | SD Huesca | Osasuna II | Loan |