Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2026 |  | Opara | FW | |||
| 08/2026 | | Iñigo Eguaras | MF | |||
| 08/2026 |  | Juancho Villegas | DF | |||
| 07/2026 | | Luis Bilbao | FW |  | RC Celta B | RC Celta B |
| 07/2026 | | Aimar Vicandi | FW | |||
| 07/2026 |  | Máximo Levrand | DF | |||
| 07/2026 | | Jon Ander | MF | |||
| 07/2026 | | Álvaro Jiménez | GK |  | Rayo Cantabria | Rayo Cantabria |
| 07/2026 | | Adur Alsua | DF | |||
| 07/2026 | | Markel Ucín | DF | |||
| 07/2026 | | Imanol Torre | DF | |||
| 07/2026 |  | Oscar León | FW | |||
| 07/2026 | | Unai Ayala | GK | |||
| 07/2026 | | William Peña | FW | |||
| 07/2026 | | Marc Prat | FW | |||
| 07/2026 | | Iker San Vicente | DF |  | CD Numancia | Numancia |
| 07/2026 | | Sergio Rivas | DF |  | Torrent CF | Torrent CF |
| 07/2026 | | Pablo Arbós | MF | |||
| 07/2026 | | Urki Txoperena | MF |  | UD Logroñés | UD Logroñés |
| 07/2026 | | Álex Caramelo | FW |  | Linares Deportivo | Linares Dep. |
| 07/2026 | | Muniain | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2026 | | Oscar Marotías | DF |  | Barakaldo CF | Barakaldo CF |
| 07/2026 | | Aimar Barrera | MF |  | Club Portugalete | Portugalete |
| 07/2026 | | Hugo Gutiérrez | MF |  | CD Guijuelo | CD Guijuelo |
| 07/2026 | | Raúl Carrasco | MF |  | FIU Panthers | FIU Panthers |
| 07/2026 | | Roberto Lázaro | FW | | CD Guijuelo | CD Guijuelo |
| 07/2026 | | Jorge García | MA | | CD Guijuelo | CD Guijuelo |