Basel II (1.Liga Promotion): every transfer in and out, fees paid and earned, squad market value, €250k spent and €80k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-07 | Alexis Casadei | Basel II | FC Annecy | Free |
| 2026-07-01 | Loris Schreiber | Basel II | FC Wil 1900 | Free |
| 2026-07-01 | Cobel Sow Garcia | Basel II | FC Stade Lausanne-Ouchy | Loan |
| 2025-09-26 | Player | Basel II | Grasshopper II | Loan |
| 2025-09-03 | Alexis Casadei | Basel II | FC Annecy | Loan |
| 2025-08-25 | Player | Basel II | KAC Kénitra | Free |
| 2025-08-15 | Renato Widmer D'Autilia | Bologna U20 | Basel II | €250k |
| 2025-07-29 | Aaron Akalé | Basel II | Middelfart | Free |
| 2025-07-22 | Demir Xhemalija | Basel II | Makedonikos | Free |
| 2025-07-21 | Elion Jashari | Basel II | Bellinzona | Free |
| 2025-07-15 | Julind Selmonaj | Basel II | FC Wil 1900 | Free |
| 2025-07-07 | Leon Frokaj | Basel II | FC Aarau | Free |
| 2025-07-01 | David Schädeli | Basel II | Schötz | Free |
| 2025-07-01 | Cyrill Emch | Basel II | Rapperswil-Jona | Free |
| 2025-03-31 | Loris Schreiber | Basel II | FC Wil 1900 | Loan |
| 2025-02-17 | Player | Berekum Chelsea | Basel II | Free |
| 2024-09-26 | Player | Basel II | FC Basel 1893 | Free |
| 2024-09-09 | Player | Basel II | FC Schaffhausen | Loan |
| 2024-07-30 | Noa Dundas | Basel II | FC Utrecht | Free |
| 2024-07-01 | Moyo-Ola Uruejoma | SC Kriens | Basel II | Free |