KAS Eupen U23: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-07-01 | Matteo Filorizzo | KAS Eupen U23 | KAS Eupen | — |
| 2024-01-01 | Sacha Bescond | KAS Eupen U18 | KAS Eupen U21 | — |
| 2023-10-03 | Lorenzo Youndje | KAS Eupen U21 | KAS Eupen | — |
| 2023-08-30 | Bertan Caliskan | KAA Gent U18 | KAS Eupen U21 | Free |
| 2023-07-01 | Théo Maréchal | KAS Eupen U18 | KAS Eupen U21 | — |
| 2023-07-01 | Matteo Filorizzo | KAS Eupen U18 | KAS Eupen U21 | — |
| 2023-07-01 | Luca Chavet | KAS Eupen U21 | KAS Eupen | — |
| 2023-07-01 | Corneille Ngangala | KAS Eupen U21 | KAS Eupen | — |
| 2022-07-01 | Lorenzo Youndje | KAS Eupen U18 | KAS Eupen U21 | — |
| 2022-07-01 | Julian Renner | KAS Eupen U21 | KAS Eupen | Loan |
| 2022-07-01 | Jaden Malhage | KAS Eupen U18 | KAS Eupen U21 | — |
| 2021-07-01 | Wassim Zaatout | KAS Eupen U18 | KAS Eupen U21 | — |
| 2021-07-01 | Tyreek Magee | KAS Eupen U21 | KAS Eupen | — |
| 2021-07-01 | Tom Roufosse | KAS Eupen U21 | KAS Eupen | — |
| 2021-07-01 | Julian Renner | KAS Eupen U18 | KAS Eupen U21 | — |
| 2021-07-01 | Amadou Keita | KAS Eupen U21 | KAS Eupen | — |
| 2019-09-20 | Tyreek Magee | Harbour View FC | KAS Eupen U21 | — |
| 2019-09-01 | Homam Al-Amin | KAS Eupen U21 | Al-Gharafa | — |
| 2019-07-01 | Tom Roufosse | KAS Eupen U18 | KAS Eupen U21 | — |
| 2019-07-01 | Gary Magnée | KAS Eupen U21 | KAS Eupen | — |