Arenas Club: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-02 | Fabian Messina | Arenas Club | Recre Granada | Free |
| 2025-07-15 | Adrián Verde | Valladolid Prom | Arenas Club | Free |
| 2025-01-22 | Fabian Messina | Without Club | Arenas Club | — |
| 2021-08-28 | Urko Izeta | CD Vitoria | Arenas Club | Loan |
| 2019-01-11 | Xeber Alkain | Real Sociedad C | Arenas Club | Loan |