SD Beasain (Copa Del Rey): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-08-01 | Beñat Almandoz | UD Logroñés | SD Beasain | Free |
| 2025-07-01 | Player | SD Beasain | TBC | Free |
| 2024-08-22 | Aleksandr Moskalenko | Barakaldo | SD Beasain | Free |
| 2023-07-01 | Player | SD Beasain | CD Calahorra | Free |
| 2023-07-01 | Player | SD Beasain | CD Calahorra | Free |
| 2022-07-20 | Julen Zubillaga | Real Sociedad III | SD Beasain | Free |
| 2021-07-01 | Player | Gernika Club | SD Beasain | Free |
| 2019-07-01 | Eñaut Mendia | SD Beasain | Eibar II | Free |
| 2018-01-01 | Xabier Auzmendi | Real Sociedad III | SD Beasain | Loan |