Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2026 | Haritz Ortúzar | DF | ![]() | SD Eibar B | SD Eibar B | |
| 09/2026 | Zubiría | FW | ![]() | SD Eibar B | SD Eibar B | |
| 08/2026 | Elijah Gift | FW | ![]() | Athletic Club | Athletic | |
| 08/2026 | Carlos Lumbreras | FW | ![]() | SD Eibar B | SD Eibar B | |
| 08/2026 | Elgezabal | DF | ![]() | Levante UD | Levante | |
| 07/2026 | Lucas Núñez | MF | ![]() | Valencia CF | Valencia | |
| 07/2026 | Imanol García | DF | ![]() | Sparta Prague | Sparta Prague | |
| 07/2026 | Iván Gil | MF | ![]() | UD Las Palmas | UD Las Palmas | |
| 07/2026 | Pejiño | FW | ![]() | UD Las Palmas | UD Las Palmas | |
| 07/2026 | Markel Arana | DF | ![]() | Barakaldo CF | Barakaldo CF | |
| 07/2026 | Ángel Troncho | MF | ![]() | Arenas de Getxo | Arenas de Getxo | |
| 07/2026 | Eric Pérez | MF | ![]() | Barakaldo CF | Barakaldo CF | |
| 07/2026 | Óscar Carrasco | MF | ![]() | SD Tarazona | SD Tarazona | |
| 07/2026 | Manex Rezola | MF | ||||
| 07/2026 | Jokin Aranbarri | MA | ![]() | Athletic Club B | Bilbao B | |
| 07/2026 | Balenziaga | AS-CO | ![]() | Athletic Club B | Bilbao B |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2026 | Ángel Troncho | MF | ![]() | Barakaldo CF | Barakaldo CF | |
| 07/2026 | Arambarri | DF | ![]() | CD Mirandés | Mirandés | |
| 07/2026 | Ibai Asenjo | FW | ![]() | UD Logroñés | UD Logroñés | |
| 07/2026 | Javi Martínez | MF | ![]() | CD Eldense | Eldense | |
| 07/2026 | Toni Villa | MF | ![]() | FC Cartagena | Cartagena | |
| 07/2026 | Hodei Arrillaga | DF | ![]() | CD Mirandés | Mirandés | |
| 07/2026 | Marco Moreno | DF | ![]() | Bahia - BA | Bahia | |
| 07/2026 | Jonlo | MF | ![]() | Club Portugalete | Portugalete | |
| 07/2026 | Corpas | FW | ![]() | Albacete | Albacete | |
| 07/2026 | Ekaitz Redondo | FW | ![]() | Arenas de Getxo | Arenas de Getxo | |
| 07/2026 | Beñat San José | MA | ![]() | Rayo Vallecano | Rayo | |
| 07/2026 | Iban Fagoaga | AS-CO | ![]() | Rayo Vallecano | Rayo |


















