Red Star U15: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-07-01 | Savo Radanovic | Red Star U15 | Red Star U17 | — |
| 2024-03-12 | Savo Radanovic | FK Loznica U15 | Red Star U15 | Free |
| 2023-07-01 | Vasilije Subotic | Red Star U15 | Red Star U16 | — |
| 2023-07-01 | Vasilije Kostov | Red Star U15 | Red Star U17 | — |
| 2023-07-01 | Luka Zaric | Red Star U15 | Red Star U16 | — |
| 2023-07-01 | Dimitrije Saric | Red Star U15 | Red Star U16 | — |
| 2023-07-01 | Aleksa Damjanovic | Red Star U15 | Red Star U17 | — |
| 2023-02-13 | Vasilije Subotic | Partizan U15 | Red Star U15 | Free |
| 2022-08-16 | Vuk Borovic | Red Star U15 | Graficar U16 | Free |
| 2022-07-01 | Luka Zaric | Red Star Youth | Red Star U15 | — |
| 2022-07-01 | Dimitrije Saric | Red Star Youth | Red Star U15 | — |
| 2022-07-01 | Davorin Tosic | Red Star U15 | Red Star U16 | — |
| 2022-07-01 | Aleksa Damjanovic | Red Star Youth | Red Star U15 | — |
| 2022-07-01 | Adem Avdic | Red Star U15 | Red Star U16 | — |
| 2022-03-10 | Dimitrije Nikolic | Red Star U15 | OFK Beograd U15 | Free |
| 2022-02-11 | Vuk Borovic | Red Star U15 | Graficar U15 | Loan |
| 2021-09-14 | Milos Bakic | Red Star U15 | Cukaricki U16 | Free |
| 2021-07-01 | Vuk Draskic | Red Star U15 | Red Star U16 | — |
| 2021-07-01 | Vuk Borovic | Red Star Youth | Red Star U15 | — |
| 2021-07-01 | Veljko Milosavljevic | Red Star U15 | Red Star U16 | — |