Lierse SK U21: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2017-08-25 | Anas Tahiri | Lierse SK | Lierse SK U21 | Loan |
| 2017-07-01 | Othmane Boussaid | Lierse SK U21 | Lierse SK | — |
| 2017-07-01 | Jari De Busser | Lierse SK U21 | Lierse SK | — |
| 2016-07-01 | Othmane Boussaid | Lierse SK Yth. | Lierse SK U21 | — |
| 2016-07-01 | Jari De Busser | Lierse SK U17 | Lierse SK U21 | — |
| 2015-07-01 | Sabir Bougrine | Lierse SK U21 | Lierse SK | — |
| 2014-07-01 | Sabir Bougrine | JMG Lier | Lierse SK U21 | — |