Standard U18: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-01 | René Mitongo | Standard U18 | Standard Liège | — |
| 2024-07-01 | René Mitongo | Standard Yth | Standard U18 | — |
| 2023-07-01 | Steeven Assengue | Standard U18 | SL16 FC | — |
| 2023-07-01 | Rabby Mateta Pepa | Standard U18 | SL16 FC | — |
| 2022-07-01 | Ismaël El Abbassi | Standard U18 | RWDM U21 | Free |
| 2022-01-01 | Brahim Ghalidi | Standard U18 | Standard U21 | — |
| 2021-07-01 | Tom Poitoux | Standard U18 | Standard U21 | — |
| 2021-07-01 | Steeven Assengue | Standard Yth | Standard U18 | — |
| 2021-07-01 | Rabby Mateta Pepa | Club Brugge Yth | Standard U18 | Free |
| 2021-07-01 | Noah Dodeigne | Standard U18 | Standard U21 | — |
| 2021-07-01 | Matthieu Epolo | Standard U18 | Standard Liège | — |
| 2021-07-01 | Léandre Kuavita | Standard U18 | Standard U21 | — |
| 2021-07-01 | Lucas Noubi | Standard U18 | Standard U21 | — |
| 2021-07-01 | Brahim Ghalidi | Standard Yth | Standard U18 | — |
| 2021-07-01 | Amine Daali | Standard U18 | Without Club | — |
| 2021-01-01 | Nathan Ngoy | Standard U18 | Standard U21 | — |
| 2021-01-01 | Cihan Çanak | Standard U18 | Standard U21 | — |
| 2020-07-01 | Tom Poitoux | Standard Liège | Standard U18 | — |
| 2020-07-01 | Olivier Dumont | Standard U18 | Standard U21 | — |
| 2020-07-01 | Noah Dodeigne | Standard Liège | Standard U18 | — |