FC Sion U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-01 | Nevio Biner | FC Sion U19 | FC Sion | — |
| 2025-07-01 | Adrien Llukes | FC Sion U19 | FC Sion | — |
| 2024-07-01 | Adrien Llukes | FC Sion U17 | FC Sion U19 | — |
| 2023-07-01 | Nevio Biner | FC Sion U18 | FC Sion U19 | — |