Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2026 |  | Nesta Martínez | FW | |||
| 09/2026 | | Álex Alcalde | GK | |||
| 07/2026 | | Jorge Sálamo | DF | |||
| 07/2026 | | Eric | GK |  | Athletic Club B | Bilbao B |
| 07/2026 | | Jorge Tejada | GK |  | UD Logroñés | UD Logroñés |
| 07/2026 | | Álex Villamor | DF | | UD Logroñés | UD Logroñés |
| 07/2026 | | David Osipov | DF | | Athletic Club B | Bilbao B |
| 07/2026 | | Mario Aparicio | DF | |||
| 07/2026 | | Sergio Ocón | DF |  | CD Alfaro | CD Alfaro |
| 07/2026 | | Ángel Muro | MF | |||
| 07/2026 | | Dani Martínez | MF | |||
| 07/2026 | | Éder Larrea | MF |  | UD Logroñés U19 | U19 |
| 07/2026 | | Iker Ucar | MF | |||
| 07/2026 | | Samu Lallana | MF |  | Náxara CD | Náxara CD |
| 07/2026 | | Chinedu | FW | | UD Logroñés | UD Logroñés |
| 07/2026 | | Jon Sorazu | FW | |||
| 07/2026 | | Manu Rodríguez | FW | |||
| 07/2026 | | Raúl Bello | FW | | UD Logroñés | UD Logroñés |
| 07/2026 | | Tano Ruiz | FW |