Age today19
Recorded moves7
Peak recorded value€2.50m
Current market value€2.50m
01 / PLAYER DETAILS
At a glance
- Full name
- Isaac Cossier
- Born
- 30 Nov 2006
- Nationality
- France
- Position
- Centre-Back
- Preferred foot
- left
- Height
- 193
- Joined current club
- 01 Jul 2025
- Contract expires
- 30 Jun 2027
02 / THE JOURNEY
Previous clubs
- Le Mans FCLast recorded move · 30 Jun 2026
- LOSC Lille BLast recorded move · 01 Jul 2025
- LOSC Lille U19Last recorded move · 01 Jul 2024
Clubs from completed, dated transfers, most recent first. Repeat spells are listed in the full transfer history.
03 / VALUE OVER TIME
Market value history
| Valuation date | Age then | Club at the time | Market value |
|---|---|---|---|
| 26 May 2026 | 19 | Le Mans FC | €2.50m |
| 23 Mar 2026 | 19 | Le Mans FC | €1.00m |
| 11 Dec 2025 | 19 | Le Mans FC | €200k |
| 13 Oct 2025 | 18 | Le Mans FC | €200k |
Each row is a dated valuation. The bar shows its share of the player’s peak recorded value. — means not recorded.
04 / EVERY MOVE
Full transfer history
| Date | From | To | Move | Fee |
|---|---|---|---|---|
| 30 Jun 2026 | Le Mans FC | LOSC Lille | Loan return | — End of loan |
| 01 Sep 2025 | LOSC Lille | Le Mans FC | Loan | — loan transfer |
| 01 Jul 2025 | LOSC Lille B | LOSC Lille | Internal move | — |
| 01 Jul 2024 | LOSC Lille U19 | LOSC Lille B | Internal move | — |
| 01 Jul 2022 | Not recorded | LOSC Lille U19 | Internal move | — |
| 01 Jan 2022 | Not recorded | Not recorded | Transfer | — ? |
| 01 Jul 2021 | Not recorded | Not recorded | Internal move | — |
Includes loans, loan returns, internal moves and scheduled transfers. Free means a recorded €0 fee; — means no figure was recorded.