Gölcükspor Yth: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2018-07-01 | Hüseyin Arslan | Gölcükspor Yth | Gölcükspor | — |
| 2018-01-30 | Hüseyin Arslan | Fethiyespor Yth | Gölcükspor Yth | — |
| 2013-09-06 | Kerem Aktürkoğlu | Gölcükspor Yth | Hisareyn Yth. | Free |
| 2013-01-25 | Eslem Öztürk | Gölcükspor Yth | Besiktas U16 | Free |
| 2010-09-15 | Ertuğrul Ersoy | Gölcükspor Yth | Bursaspor Yth | Free |