GC Knights: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-02-03 | Austin Ludwik | GC Knights | Brisbane Roar | Free |
| 2024-09-20 | Sam Klein | GC Knights | Brisbane Roar | — |
| 2024-01-01 | Sam Klein | Brisbane U21 | GC Knights | — |
| 2021-01-01 | Austin Ludwik | Unknown | GC Knights | — |
| 2020-07-30 | Harry Sawyer | South Melbourne | GC Knights | Loan |