Altay SK U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2022-07-01 | Enes Öğrüce | Altay SK U19 | Altay SK | — |
| 2018-07-01 | Cenk Özkacar | Altay SK U19 | Altay SK | — |
| 2017-07-01 | Cenk Özkacar | Altay SK Yth | Altay SK U19 | — |
| 2015-07-01 | Ulaş Zengin | Altay SK U19 | Altay SK | — |
| 2014-07-01 | Ulaş Zengin | Altay SK Yth | Altay SK U19 | — |