Red Star Belgrade (Super Liga Srbije): every transfer in and out, fees paid and earned, squad market value, €74m spent and €183m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Omri Glazer | Red Star | Without Club | — |
| 2026-07-01 | Nemanja Radonjic | Red Star | Without Club | — |
| 2026-07-01 | Muhammed Cham | Trabzonspor | Red Star | Loan |
| 2026-07-01 | Loizos Loizou | Hapoel Tel Aviv | Red Star | €3.5m |
| 2026-07-01 | Aleksa Damjanovic | Red Star | Leverkusen | €5m |
| 2026-03-01 | Dimitrije Saric | Red Star U19 | Red Star | — |
| 2026-02-11 | Dragan Bojat | Red Star | Napredak | Free |
| 2026-02-06 | David Djuric | Red Star | Wolfsberger AC | Free |
| 2026-02-04 | Strahinja Erakovic | Zenit S-Pb | Red Star | Loan |
| 2026-02-02 | Stefan Lekovic | Red Star | Estrela Amadora | Loan |
| 2026-01-28 | Shavy Babicka | Red Star | Karagümrük | Loan |
| 2026-01-27 | Vuk Draskic | Red Star | Zelez. Pancevo | Loan |
| 2026-01-19 | Uros Sremcevic | Red Star | Napredak | Loan |
| 2026-01-19 | Jay Enem | OFK Beograd | Red Star | Loan |
| 2026-01-19 | Dragan Bojat | Red Star | Napredak | Loan |
| 2026-01-19 | Douglas Owusu | Radnik | Red Star | €2.2m |
| 2025-11-21 | Dragan Bojat | Without Club | Red Star | — |
| 2025-09-19 | Uros Kabic | Red Star | OFK Beograd | Free |
| 2025-09-19 | Egor Prutsev | Red Star | OFK Beograd | Loan |
| 2025-09-18 | Jovan Sljivic | Red Star | OFK Beograd | Loan |