FC Thun U21: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-10 | Adam Ilic | FC Thun U21 | FC Thun | — |
| 2025-07-01 | Adam Ilic | FC Thun U19 | FC Thun U21 | — |
| 2024-07-11 | Franz-Ethan Meichtry | FC Thun U21 | FC Thun | — |
| 2024-07-01 | Jan Eicher | FC Thun U21 | FC Thun | — |
| 2024-01-15 | Franz-Ethan Meichtry | FC Thun U19 | FC Thun U21 | — |
| 2024-01-04 | Marc Gutbub | FC Thun U21 | FC Thun | — |
| 2023-05-04 | Lucien Dähler | FC Thun U21 | FC Thun | — |
| 2022-11-28 | Valmir Matoshi | FC Thun U21 | FC Thun | — |
| 2022-07-28 | Jan Eicher | BSC YB U18 | FC Thun U21 | — |
| 2021-07-01 | Valmir Matoshi | FC Thun U18 | FC Thun U21 | — |
| 2021-07-01 | Marc Gutbub | FC Thun U18 | FC Thun U21 | — |
| 2021-07-01 | Justin Roth | FC Thun U21 | FC Thun | — |
| 2021-03-11 | Daniel Dos Santos | FC Thun U21 | FC Thun | — |
| 2019-07-01 | Lucien Dähler | FC Thun U18 | FC Thun U21 | — |
| 2019-07-01 | Daniel Dos Santos | FC Thun U18 | FC Thun U21 | — |
| 2018-07-01 | Nino Ziswiler | FC Thun U21 | FC Thun | — |
| 2018-07-01 | Justin Roth | FC Thun U18 | FC Thun U21 | — |
| 2016-07-01 | Nino Ziswiler | FC Thun U18 | FC Thun U21 | — |
| 2016-02-05 | Sandro Lauper | FC Thun U21 | FC Thun | — |
| 2015-01-15 | Sandro Lauper | BSC YB U21 | FC Thun U21 | Free |