St. Gallen U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-01 | Nino Weibel | St. Gallen U19 | St. Gallen U21 | — |
| 2025-07-01 | Joel Ruiz | St. Gallen U19 | FC St. Gallen | — |
| 2025-07-01 | Diego Besio | St. Gallen U19 | St. Gallen U21 | — |
| 2025-05-16 | Cyrill May | St. Gallen U19 | FC St. Gallen | — |
| 2025-02-11 | Pascal Büttiker | St. Gallen U19 | St. Gallen U21 | — |
| 2024-07-01 | Nino Weibel | St. Gallen U17 | St. Gallen U19 | — |
| 2024-07-01 | Joel Ruiz | FCO Wil U18 | St. Gallen U19 | Free |
| 2024-07-01 | Diego Besio | FC Gossau | St. Gallen U19 | Free |
| 2024-07-01 | Cyrill May | St. Gallen U17 | St. Gallen U19 | — |
| 2023-07-01 | Pascal Büttiker | St. Gallen U18 | St. Gallen U19 | — |