Karsiyaka: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-09 | Mehmet Güneş | Karsiyaka | M. Yesilyurt SK | Loan |
| 2026-01-05 | Arda Kılıç | Besiktas | Karsiyaka | Loan |
| 2025-09-12 | Doğanay Avcı | C. Rizespor | Karsiyaka | — |
| 2025-09-06 | Mehmet Güneş | Konyaspor | Karsiyaka | — |
| 2024-01-11 | Erdem Gökçe | Eyüpspor | Karsiyaka | Loan |
| 2023-09-15 | Efe Tatlı | Karagümrük | Karsiyaka | Loan |
| 2023-09-02 | Berat Kalkan | Kasimpasa | Karsiyaka | Loan |
| 2018-07-18 | Erhan Erentürk | Karsiyaka | Altinordu | — |
| 2015-07-24 | Tugay Kacar | Osmanlispor FK | Karsiyaka | Loan |
| 2014-09-01 | Erhan Erentürk | Karsiyaka U21 | Karsiyaka | — |