Unión Collado: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-22 | Santi Rublico | Unión Collado | AD Alcorcón B | Free |
| 2024-07-01 | Santi Rublico | Atl. Madrid U19 | Unión Collado | — |
| 2024-07-01 | Ot Remolins | Unión Collado | Without Club | — |
| 2024-07-01 | Etienne Eto'o | Unión Collado | Rayo B | Free |
| 2023-08-24 | Etienne Eto'o | UD Poblense | Unión Collado | Free |
| 2023-07-01 | Ot Remolins | Alcobendas U19 | Unión Collado | Free |