Kustošija (First NL): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-09 | El Arbi Hillel Soudani | NK Maribor | Kustošija | Free |
| 2026-07-01 | El Arbi Hillel Soudani | NK Maribor | Kustošija | Free |
| 2026-01-13 | Frankie Hvid | Glentoran | Kustošija | Free |
| 2025-01-28 | Wisdom Ubani | Kustošija | Ikorodu City | Free |
| 2024-09-18 | Martin Šroler | Kustošija | GOSK Gabela | Free |
| 2024-09-18 | Adiele Eriugo | Remo Stars | Kustošija | Free |
| 2024-07-24 | Josip Ivan Zorica | Kustošija | Grosuplje | Free |
| 2024-07-01 | Jahnoah Markelo | Kustošija | NK Celje | Free |
| 2023-07-26 | Ante Orec | Kustošija | Velez | Free |
| 2023-02-07 | Player | Kustošija | Dinamo City | Free |
| 2023-01-27 | Anes Krdzalic | Kustošija | NK Olimpija | Loan |
| 2022-08-30 | Borna Proleta | Kustošija | ND Primorje | Free |
| 2022-07-01 | Ivan Lagundžić | Kustošija | NK Olimpija | Free |
| 2021-07-28 | Player | Kustošija | Zeljeznicar | Free |
| 2021-02-05 | Molls Donald Ntchamda | Kustošija | Sloga Doboj | Free |
| 2020-10-14 | Player | NŠ Drava | Kustošija | Free |
| 2020-08-19 | Player | Siroki Brijeg | Kustošija | Free |
| 2020-08-04 | Luka Kulenovic | Kustošija | Rudar Prijedor | Free |
| 2018-08-10 | Stjepan Plazonja | FC Koper | Kustošija | Free |