Marseille B: every transfer in and out, fees paid and earned, squad market value, €11m spent and €1.4m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-27 | François Mughe | Marseille B | AEL Limassol | — |
| 2025-09-09 | Raimane Daou | Marseille B | Aubagne Air Bel | Loan |
| 2025-09-01 | François Mughe | Marseille | Marseille B | — |
| 2025-08-23 | Yakine Said M'Madi | Marseille B | Valenciennes B | — |
| 2025-08-11 | Gaël Lafont | Marseille B | Genoa U20 | Free |
| 2025-08-07 | Rony Mimb Baheng | Marseille B | Aubagne Air Bel | Loan |
| 2025-07-02 | Alexi Koum | Marseille B | Valenciennes FC | Loan |
| 2025-07-01 | Robinio Vaz | Marseille B | Marseille | — |
| 2025-01-27 | Roggerio Nyakossi | Marseille B | OH Leuven | €800k |
| 2024-08-01 | Robinio Vaz | FC Sochaux U19 | Marseille B | €200k |
| 2024-07-12 | Léo Jousselin | Marseille B | Pr. Niederkorn | Free |
| 2024-07-01 | Théo Vermot | Fréjus-St-Raph. | Marseille B | Free |
| 2024-07-01 | Rony Mimb Baheng | Marseille U19 | Marseille B | — |
| 2024-07-01 | Paolo Sciortino | Marseille B | Without Club | — |
| 2024-07-01 | Noam Mayoka-Tika | Marseille B | R Charleroi SC | Free |
| 2024-07-01 | Gaël Lafont | Marseille U19 | Marseille B | — |
| 2024-07-01 | Brice Negouai | Marseille B | FC Villefranche | Free |
| 2024-07-01 | Amay Caprice | Marseille B | Without Club | — |
| 2024-07-01 | Alexi Koum | AJ Auxerre B | Marseille B | Free |
| 2024-01-19 | Stéphane Sparagna | Aubagne FC | Marseille B | Free |