Istra 1961 U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-05 | Dukan Ahmeti | Istra 1961 U19 | NK Istra | — |
| 2025-07-01 | Vigo Vujanic | Istra 1961 U19 | NK Istra | — |
| 2025-07-01 | Dominik Celija | Istra 1961 U19 | NK Istra | — |
| 2025-07-01 | Baba Yatera | Istra 1961 U19 | NK Istra | — |
| 2025-07-01 | Arian Moslavac | Istra 1961 U19 | NK Istra | — |
| 2025-02-19 | Baba Yatera | Chemal FC | Istra 1961 U19 | — |
| 2025-01-15 | Vigo Vujanic | Without Club | Istra 1961 U19 | — |
| 2024-07-01 | Israel Isaac Ayuma | Istra 1961 U19 | NK Istra | — |
| 2024-07-01 | Dukan Ahmeti | Istra 1961 U17 | Istra 1961 U19 | — |
| 2023-08-31 | Luka Curkovic | Istra 1961 U19 | Slaven Belupo | — |
| 2023-08-11 | Israel Isaac Ayuma | Mavlon | Istra 1961 U19 | — |
| 2023-07-01 | Dominik Celija | Istra 1961 U17 | Istra 1961 U19 | — |
| 2023-07-01 | Arian Moslavac | Istra 1961 U17 | Istra 1961 U19 | — |
| 2022-08-11 | Luka Curkovic | Inker U17 | Istra 1961 U19 | — |
| 2022-07-01 | Antonio Mauric | Istra 1961 U19 | NK Istra | — |
| 2021-01-04 | Mauro Perkovic | Istra 1961 U19 | NK Istra | — |
| 2020-08-04 | Jan Paus-Kunst | Istra 1961 U19 | NK Istra | — |
| 2020-07-01 | Mauro Perkovic | Istra 1961 U17 | Istra 1961 U19 | — |
| 2020-07-01 | Antonio Mauric | Istra 1961 U17 | Istra 1961 U19 | — |
| 2019-02-15 | Jan Paus-Kunst | Istra 1961 U19 | NK Medulin | Loan |