Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 06/2024 |  | Eric Pérez | MF | |||
| 02/2024 | | Iban Fagoaga | AS-CO |  | Atlas Guadalajara | Atlas |
| 01/2024 | | Nolaskoain | MF |  | Athletic Club | Athletic |
| 01/2024 | | Sergio León | FW |  | Elche CF | Elche CF |
| 09/2023 |  | Stefan Simič | DF | |||
| 09/2023 |  | Yacine Qasmi | FW | |||
| 08/2023 | | Ander Madariaga | MF | |||
| 08/2023 |  | Konrad de la Fuente | FW |  | Olympique de Marseille | Marseille |
| 08/2023 | | Vencedor | MF | | Athletic Club | Athletic |
| 07/2023 | | Mario Soriano | FW |  | Deportivo A Coruña | Deportivo |
| 07/2023 | | Ispizua | GK | | Athletic Club | Athletic |
| 07/2023 | | Cristian Gutiérrez | DF |  | Málaga CF | Málaga |
| 07/2023 | | Sergio Cubero | DF |  | CF Fuenlabrada | Fuenlabrada |
| 07/2023 |  | Franchu | MF |  | FC Cartagena | Cartagena |
| 07/2023 |  | Jorge Yriarte | MF |  | SD Amorebieta | SD Amorebieta |
| 07/2023 | | Joseba Etxeberria | MA |  | CD Mirandés | Mirandés |
| 07/2023 | | Jorge Pérez | AS-CO | | CD Mirandés | Mirandés |
| 07/2023 | | Luis Prieto | PH-C | | CD Mirandés | Mirandés |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2024 | | Jorge Yriarte | MF | | SD Amorebieta | SD Amorebieta |
| 01/2024 | | Ángel Troncho | MF | | SD Amorebieta | SD Amorebieta |
| 01/2024 |  | Yanis Rahmani | MF |  | CD Tenerife | Tenerife |
| 08/2023 | | Gustavo Blanco | FW |  | Esteghlal | Esteghlal |
| 08/2023 | | Arana | FW |  | Racing Santander | Racing |
| 08/2023 | | Chema | DF |  | AD Alcorcón | Alcorcón |
| 08/2023 | | Cantero | GK |  | Racing Ferrol | Racing Ferrol |
| 08/2023 | | Sergio Cubero | DF | | Racing Ferrol | Racing Ferrol |
| 07/2023 | | Daniel Lasure | DF | | SD Amorebieta | SD Amorebieta |
| 07/2023 | | Imanol García | DF | | Athletic Club | Athletic |
| 07/2023 | | Javi Muñoz | MF |  | UD Las Palmas | UD Las Palmas |
| 07/2023 | | Nolaskoain | MF | | Athletic Club | Athletic |
| 07/2023 | | Vadillo | MF |  | RCD Espanyol | RCD Espanyol |
| 07/2023 | | Alain Gandiaga | PH-C |  | Real Sociedad | Real Sociedad |