Arenas de Getxo (Primera Federación): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-09 | Carlos Mattheus | Arenas de Getxo | Barakaldo | Free |
| 2026-07-19 | Player | Arenas de Getxo | Numancia | Free |
| 2026-07-16 | Erlantz Palacín | Kosice | Arenas de Getxo | Free |
| 2026-07-15 | Unai Buján | Marbella | Arenas de Getxo | Free |
| 2026-07-08 | Eneko Ebro | Athletic Club II | Arenas de Getxo | Free |
| 2026-07-04 | Mikel Zabala | Arenas de Getxo | UD Logroñés | Free |
| 2026-07-02 | Player | SD Amorebieta | Arenas de Getxo | Free |
| 2026-07-02 | Urko Collado | Arenas de Getxo | Barakaldo | Free |
| 2026-07-01 | Gael Joel Akogo | Granada II | Arenas de Getxo | Free |
| 2026-07-01 | Julen Lartitegi | Deportivo Alaves II | Arenas de Getxo | Free |
| 2026-07-01 | Iñaki Telletxea | SD Logroñés | Arenas de Getxo | Free |
| 2026-07-01 | Manuel Obón | RZ Deportivo Aragón | Arenas de Getxo | Free |
| 2026-07-01 | Player | Samano | Arenas de Getxo | Free |
| 2026-07-01 | Ander Sustatxa | Arenas de Getxo | Barakaldo | Free |
| 2026-07-01 | Player | Arenas de Getxo | Real Zaragoza | Free |
| 2026-07-01 | Jon Sillero | Arenas de Getxo | Real Avilés | Free |
| 2026-07-01 | Adrián Verde | Arenas de Getxo | CD Mirandés | Free |
| 2026-07-01 | Alex Hidalgo | Arenas de Getxo | Zamora | Free |
| 2026-07-01 | Sergio Navarro | Arenas de Getxo | Cacereño | Free |
| 2026-07-01 | Pablo García | Arenas de Getxo | Honvéd | Free |