Barakaldo (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 |
| 2026-07-28 | Ander Zoilo | CD Tenerife | Barakaldo | Free |
| 2026-07-28 | Xemi Fernández | Ponferradina | Barakaldo | Free |
| 2026-07-23 | Sabin Merino | Barakaldo | TBC | Free |
| 2026-07-10 | Player | Eibar II | Barakaldo | Loan |
| 2026-07-08 | Iñigo Muñoz | Barakaldo | Real Avilés | Free |
| 2026-07-07 | Sergio Camus | Gimnàstic | Barakaldo | Free |
| 2026-07-05 | Beñat de Jesús | Barakaldo | Cádiz CF | Free |
| 2026-07-04 | Pablo Trigueros | CD Lugo | Barakaldo | Free |
| 2026-07-02 | Aritz Muguruza | Torreense | Barakaldo | Free |
| 2026-07-02 | Urko Collado | Arenas de Getxo | Barakaldo | Free |
| 2026-07-01 | Alex Valiño | Barakaldo | Dunav | Free |
| 2026-07-01 | Borja Garcia | Barakaldo | TBC | Free |
| 2026-07-01 | Beñat de Jesús | Barakaldo | TBC | Free |
| 2026-07-01 | Samuel Calera | Rayo Cantabria | Barakaldo | Free |
| 2026-07-01 | Marotías | Salamanca CF UDS | Barakaldo | Free |
| 2026-07-01 | Iker Pedernales | Barakaldo | CD Mirandés | Free |
| 2026-07-01 | Unai Dufur | Barakaldo | Zamora | Free |
| 2026-07-01 | Ekaitz Molina Jaen | Barakaldo | Terrassa | Free |
| 2026-07-01 | Oier López | Barakaldo | Cultural Leonesa | Free |