Red Star: every transfer in and out, fees paid and earned, squad market value and €2m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-19 | Leonardo Buta | Udinese Calcio | Red Star | Free |
| 2026-07-31 | Rayane Doucouré | Red Star | SC Aubagne Air Bel | Free |
| 2026-07-31 | Hacène Benali | Red Star | Pau FC | Free |
| 2026-07-16 | Yanis Benchaouch | Monaco U21 | Red Star | Free |
| 2026-07-04 | Elyaz Zidane | Real Betis II | Red Star | Free |
| 2026-07-01 | Quentin Beunardeau | Red Star | Cannes | Free |
| 2026-02-01 | Théo Magnin | Servette FC | Red Star | Free |
| 2026-01-31 | Balthazar Pierret | US Lecce | Red Star | Free |
| 2026-01-18 | Joachim Eickmayer | Red Star | SC Bastia | Free |
| 2026-01-07 | Pape Meïssa Ba | Widzew Lodz | Red Star | Loan |
| 2026-01-06 | Samuel Renel | Red Star | Rouen | Loan |
| 2025-09-18 | Rayan Slimani | Red Star | Bourg-en-Bresse | Free |
| 2025-09-01 | Giovanni Haag | Fortuna Düsseldorf | Red Star | Loan |
| 2025-08-25 | Joachim Kayi Sanda | Southampton FC | Red Star | Loan |
| 2025-08-24 | Islamdine Halifa | Olympique Lyon | Red Star | Free |
| 2025-08-19 | Achille Anani | Red Star | Quevilly Rouen | Free |
| 2025-08-16 | Gaëtan Poussin | Real Zaragoza | Red Star | Free |
| 2025-07-30 | Matthieu Huard | AC Ajaccio | Red Star | Free |
| 2025-07-30 | Aliou Badji | Red Star | Sivasspor | Free |
| 2025-07-24 | Loic Kouagba | Red Star | Boluspor | Free |