St. Johnstone FC (Scottish Premiership): every transfer in and out, fees paid and earned, squad market value, €123k spent and €2.5m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Danny Finlayson | Livingston FC | St. Johnstone | Free |
| 2026-04-23 | Ross Sinclair | St. Johnstone | St. Mirren | Loan |
| 2026-02-25 | Aaron Essel | St. Johnstone | Sacramento FC | — |
| 2026-02-08 | Víctor Griffith | St. Johnstone | CS Emelec | Loan |
| 2026-02-02 | Uche Ikpeazu | St. Johnstone | Ross County | — |
| 2026-02-02 | Ruari Paton | Port Vale | St. Johnstone | Loan |
| 2026-01-27 | Adama Sidibeh | St. Johnstone | Stockport | — |
| 2026-01-20 | Alfie Agyeman | Falkirk | St. Johnstone | Loan |
| 2025-09-10 | Scott Bright | St. Johnstone | Forfar Athletic | Loan |
| 2025-09-09 | Jannik Wanner | Livingston FC | St. Johnstone | Loan |
| 2025-09-01 | Makenzie Kirk | St. Johnstone | Portsmouth | — |
| 2025-08-29 | Taylor Steven | St. Johnstone | Arbroath | Loan |
| 2025-08-25 | Kai Fotheringham | Dundee United | St. Johnstone | — |
| 2025-08-07 | Adam Forrester | Heart of Midl. | St. Johnstone | Loan |
| 2025-07-24 | Benjamin Kimpioka | St. Johnstone | Sivasspor | Free |
| 2025-07-21 | Daniels Balodis | St. Johnstone | Tatran Presov | Free |
| 2025-07-15 | André Raymond | St. Johnstone | Ilves | €50k |
| 2025-07-14 | Louis Lloyd | Caernarfon Town | St. Johnstone FC | Free |
| 2025-07-01 | Stevie May | St. Johnstone | Livingston FC | Free |
| 2025-07-01 | Scott Bright | St. Johnst. B | St. Johnstone | — |