St. Johnst. U18: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-02-13 | Brodie Dair | St. Johnst. U18 | Fulham U18 | — |
| 2024-07-20 | Filip Franczak | St. Johnst. U18 | Forfar Athletic | Free |
| 2024-07-01 | Joe Ellison | St. Johnst. U18 | St. Johnst. B | — |
| 2024-07-01 | Jackson Mylchreest | St. Johnst. U18 | St. Johnst. B | — |
| 2024-07-01 | Brodie Dair | St. Johnst. Yth | St. Johnst. U18 | — |
| 2024-07-01 | Ben McCrystal | St. Johnst. U18 | St. Johnst. B | — |
| 2024-07-01 | Bayley Klimionek | St. Johnst. U18 | St. Johnst. B | — |
| 2024-07-01 | Arran Brookfield | St. Johnst. Yth | St. Johnst. U18 | — |
| 2023-12-07 | Jackson Mylchreest | St. Johnst. U18 | Berwick Rangers | Loan |
| 2023-10-04 | Joe Ellison | St. Johnst. U18 | Berwick Rangers | Loan |
| 2023-09-23 | Franciszek Franczak | St. Johnst. U18 | St. Johnstone | — |
| 2023-09-15 | Ben McCrystal | St. Johnst. U18 | Broomhill | Loan |
| 2023-08-18 | Franciszek Franczak | St. Johnst. Yth | St. Johnst. U18 | — |
| 2023-08-11 | Bayley Klimionek | St. Johnst. U18 | Berwick Rangers | Loan |
| 2023-08-10 | Jackson Mylchreest | St. Johnst. U18 | Tranent FC | Loan |
| 2022-07-01 | Taylor Steven | St. Johnst. U18 | St. Johnst. B | — |
| 2022-07-01 | Liam Parker | St. Johnst. U18 | St. Johnst. B | — |
| 2022-07-01 | Joe Ellison | St. Johnst. Yth | St. Johnst. U18 | — |
| 2022-07-01 | Jackson Mylchreest | St. Johnst. Yth | St. Johnst. U18 | — |
| 2022-07-01 | Craig Hepburn | St. Johnst. U18 | St. Johnst. B | — |