LOSC Lille B: every transfer in and out, fees paid and earned, squad market value, €4.2m spent and €570k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-09 | Aaron Malouda | LOSC Lille B | Sabah FK | €250k |
| 2026-01-01 | Soriba Diaoune | LOSC Lille B | Lille | — |
| 2025-09-10 | Aaron Malouda | LOSC Lille B | Sabah FK | Loan |
| 2025-07-29 | Lucas Mbamba | LOSC Lille B | KVC Westerlo | €200k |
| 2025-07-14 | Yassine Khalifi | LOSC Lille B | R Charleroi SC | — |
| 2025-07-01 | Soriba Diaoune | LOSC Lille U19 | LOSC Lille B | — |
| 2025-07-01 | Isaac Cossier | LOSC Lille B | Lille | — |
| 2025-02-03 | Aaron Malouda | LOSC Lille B | Nîmes Olympique | Loan |
| 2024-07-22 | Joffrey Bazié | LOSC Lille B | Paços Ferreira | — |
| 2024-07-10 | Tom Negrel | LOSC Lille B | AJ Auxerre | Free |
| 2024-07-01 | Vincent Burlet | LOSC Lille B | Lille | — |
| 2024-07-01 | Trévis Dago | LOSC Lille B | LOSC Lille | — |
| 2024-07-01 | Ousmane Touré | LOSC Lille B | Lille | — |
| 2024-07-01 | Morgan Costarelli | LOSC Lille U19 | LOSC Lille B | — |
| 2024-07-01 | Lisandru Olmeta | LOSC Lille B | LOSC Lille | — |
| 2024-07-01 | Isaac Cossier | LOSC Lille U19 | LOSC Lille B | — |
| 2024-01-30 | Amine Messoussa | LOSC Lille B | FC Villefranche | Loan |
| 2023-09-07 | Yassine Khalifi | AM Football | LOSC Lille B | — |
| 2023-07-19 | Rocco Ascone | LOSC Lille B | Nordsjaelland | — |
| 2023-07-01 | Younes Lachaab | LOSC Lille U19 | LOSC Lille B | — |