Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 04/2025 |  | Ibrahima Diakité | DF |  | EA Guingamp U19 | U19 |
| 10/2024 | | Valentin Decarpentrie | FW |  | AS Monaco U23 | AS Monaco U23 |
| 09/2024 |  | Gaspard Franck Ambassa | GK |  | APEJES Academy | APEJES Academy |
| 08/2024 |  | Armando Jr | FW |  | Jeunesse Esch | Jeunesse Esch |
| 07/2024 | | Dylan Ourega | FW |  | FC Metz B | FC Metz (CFA) |
| 07/2024 | | Albert Masson | GK |  | EA Guingamp U17 | U17 |
| 07/2024 | | Albin Demouchy | DF |  | FC Metz | Metz |
| 07/2024 | | Nathan Fondja | DF | | EA Guingamp U19 | U19 |
| 07/2024 |  | Donatien Gomis | DF | |||
| 07/2024 | | Tanguy Ahile | MF | | FC Metz B | FC Metz (CFA) |
| 07/2024 | | Adrien Delphis | MF |  | ASM Belfort | ASM Belfort |
| 07/2024 |  | Tieri Godame | MF |  | FC Challans | FC Challans |
| 07/2024 | | Wisler Lazarre | MF | | EA Guingamp U17 | U17 |
| 07/2024 | | Trésor Matondo | MF |  | Bourges FC | Bourges |
| 07/2024 | | Ewan Aucan | FW | | EA Guingamp U17 | U17 |
| 07/2024 | | Jean-Yves Djegou | FW | | EA Guingamp U17 | U17 |
| 07/2024 | | Youssef Njoya | FW |  | AS Saint-Étienne B | Saint-Ét. (CFA) |
| 07/2024 | | Jean-Baptiste Le Bescond | MA |  | EA Guingamp | Guingamp |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2025 |  | Rayan Touzghar | MF |  | US Concarneau | Concarneau |
| 08/2024 |  | Isaac Rouaud | GK |  | US Hostert | US Hostert |
| 08/2024 | | Kyliann Fofana | FW |  | Paris FC B | Paris FC B |
| 07/2024 | | Kadiapome Mendy | MF |  | SC Aubagne Air Bel | SCAAB |
| 07/2024 | | Benoît Alagapin | MF |  | Lannion FC | Lannion |
| 07/2024 | | Kenan Sehic | GK |  | FC Chambly U19 | U19 |
| 07/2024 | | Hady Camara | DF |  | RAAL La Louvière | La Louvière |
| 07/2024 | | Lucas Maronnier | DF | | EA Guingamp | Guingamp |
| 07/2024 | | Alain Mimbelé Misa | DF |  | Olympique Charleville Prix AM | OCPAM |
| 07/2024 |  | Sohaïb Naïr | DF | | EA Guingamp | Guingamp |
| 07/2024 | | Eddi Bekumba | MF |  | St-Pierre de Milizac | SP de Milizac |
| 07/2024 | | Gaël Derrien | MF |  | Lamballe FC | Lamballe FC |
| 07/2024 | | Omar El Manssouri | MF |  | FC Koper | Koper |
| 07/2024 | | Brendan Lebas | MF |  | Vendée Les Herbiers | VHF |
| 07/2024 | | Antoine Bergot | FW | | St-Pierre de Milizac | SP de Milizac |