Red Star U19: every transfer in and out, fees paid and earned, squad market value, €133k spent and €500k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-03-01 | Dimitrije Saric | Red Star U19 | Red Star | — |
| 2026-01-19 | Davorin Tosic | Red Star U19 | Zelez. Pancevo | — |
| 2026-01-01 | Vasilije Subotic | Red Star U18 | Red Star U19 | — |
| 2025-07-08 | Dragan Tegeltija | Red Star U19 | OFK Beograd | Free |
| 2025-07-06 | Nikola Tasic | Red Star U19 | Spartak | Free |
| 2025-07-01 | Vasilije Kostov | Red Star U19 | Red Star | — |
| 2025-07-01 | Uros Tegeltija | Red Star U19 | Zelez. Pancevo | Free |
| 2025-07-01 | Uros Ilic | Red Star U19 | Radnik | Free |
| 2025-07-01 | Stefan Gudelj | Red Star U19 | Red Star | — |
| 2025-07-01 | Savo Radanovic | Red Star U19 | Red Star | — |
| 2025-07-01 | Mamadou Fall | Red Star U19 | Red Star | — |
| 2025-07-01 | Dimitrije Saric | Red Star U17 | Red Star U19 | — |
| 2025-07-01 | David Djuric | Red Star U19 | Red Star | — |
| 2025-07-01 | Darije Markocevic | Red Star U19 | Radnik | Free |
| 2025-01-31 | Andrej Pavlovic | Red Star U19 | OFK Beograd U19 | Free |
| 2025-01-05 | Mateja Radonjic | Red Star U19 | Radnicki Nis | Free |
| 2025-01-01 | Vuk Draskic | Red Star U19 | Red Star | — |
| 2025-01-01 | Savo Radanovic | Red Star U17 | Red Star U19 | — |
| 2024-08-16 | Dragan Tegeltija | Red Star U19 | OFK Beograd U19 | Loan |
| 2024-08-16 | Andrej Pavlovic | Red Star U19 | OFK Beograd U19 | Loan |