Karlovac 1919 (First NL): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-13 | Antonio Mionic | Karlovac 1919 | Solin | Free |
| 2026-07-27 | Andrija Bubnjar | Cibalia | Karlovac 1919 | Free |
| 2026-07-27 | Ernis Qestaj | Slaven Belupo Koprivnica | Karlovac 1919 | Free |
| 2026-07-24 | Filip Brekalo | Karlovac 1919 | Hertha BSC II | Free |
| 2026-07-01 | Dino Simunic | Karlovac 1919 | NK Aluminij | Free |
| 2026-02-10 | Luigi Mišević | Karlovac 1919 | Mladost Ždralovi | Free |
| 2026-01-12 | Krešimir Kovačević | Karlovac 1919 | NK Rudes | Free |
| 2025-09-04 | Luka Kapulica | HNK Gorica | Karlovac 1919 | Loan |
| 2025-08-21 | Fran Zilinski | NK Lokomotiva Zagreb | Karlovac 1919 | Loan |
| 2025-08-13 | Antonio Mionic | Artis Brno | Karlovac 1919 | Free |
| 2025-08-12 | Niko Đolonga | HNK Hajduk Split | Karlovac 1919 | Free |
| 2025-08-12 | Dominik Simcic | HNK Rijeka | Karlovac 1919 | Loan |
| 2025-08-12 | Domagoj Ivan Maric | HNK Rijeka | Karlovac 1919 | Loan |
| 2025-08-12 | Petar Raguz | HNK Rijeka | Karlovac 1919 | Loan |
| 2025-08-11 | Luigi Mišević | HNK Sibenik | Karlovac 1919 | Free |
| 2025-07-31 | Mihael Stipić | NK Rudes | Karlovac 1919 | Free |
| 2025-07-30 | Tomislav Turčin | Karlovac 1919 | Bjelovar | Free |
| 2025-07-29 | Zlatan Koščević | HNK Sibenik | Karlovac 1919 | Free |
| 2025-07-08 | Mateo Barac | Karlovac 1919 | Slaven Belupo Koprivnica | Free |
| 2025-02-17 | Domagoj Ivan Maric | Rijeka U19 | Karlovac 1919 | Loan |