Groningen U18: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-08-12 | Sven Bouland | Groningen U18 | FC Groningen | — |
| 2024-07-01 | Roy Leicester | Groningen U18 | Groningen U21 | — |
| 2024-07-01 | Mark Hoekstra | Groningen U18 | Groningen U21 | — |
| 2023-07-01 | Robin Kelder | Groningen U18 | Groningen U21 | — |
| 2023-07-01 | Jay Kuiper | Groningen U18 | Groningen U21 | — |
| 2022-07-01 | Wouter Prins | Groningen U18 | Groningen U21 | — |
| 2022-07-01 | Thom van Bergen | Groningen U18 | Groningen U21 | — |
| 2022-07-01 | Thijmen Blokzijl | Groningen U18 | Groningen U21 | — |
| 2022-07-01 | Sven Bouland | Groningen Youth | Groningen U18 | — |
| 2022-07-01 | Roy Leicester | Groningen Youth | Groningen U18 | — |
| 2022-07-01 | Mark Hoekstra | Groningen Youth | Groningen U18 | — |
| 2022-07-01 | Jorg Schreuders | Groningen U18 | Groningen U21 | — |
| 2022-07-01 | Jasper Meijster | Groningen U18 | Groningen U21 | — |
| 2022-07-01 | Fofin Turay | Groningen U18 | Groningen U21 | — |
| 2022-07-01 | David van der Werff | Groningen U18 | Groningen U21 | — |
| 2021-07-01 | Tika de Jonge | Groningen U18 | Groningen U21 | — |
| 2021-07-01 | Robin Kelder | Groningen Youth | Groningen U18 | — |
| 2021-07-01 | Maxim Mariani | Groningen U18 | Groningen U21 | — |
| 2021-07-01 | Maurilio de Lannoy | Groningen U18 | Emmen U18 | Free |
| 2021-07-01 | Luciano Valente | Groningen U18 | Groningen U21 | — |