Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 04/2025 |  | Eden Gassama | DF |  | EA Guingamp B | EA Guingamp B |
| 02/2025 |  | Tanguy Ahile | MF | | EA Guingamp B | EA Guingamp B |
| 02/2025 | | Théo Le Bris | DF |  | FC Lorient | Lorient |
| 02/2025 | | Hugo Dupont | DF | | EA Guingamp B | EA Guingamp B |
| 11/2024 | | Albin Demouchy | DF | | EA Guingamp B | EA Guingamp B |
| 10/2024 | | Dylan Ourega | DF | | EA Guingamp B | EA Guingamp B |
| 08/2024 | | Rayan Ghrieb | FW |  | USL Dunkerque | USL Dunkerque |
| 08/2024 |  | Tieri Godame | MF | | EA Guingamp B | EA Guingamp B |
| 08/2024 |  | Armando Jr | FW |  | Jeunesse Esch | Jeunesse Esch |
| 07/2024 |  | Brighton Labeau | FW |  | FC Lausanne-Sport | FC Lausanne |
| 07/2024 | | Alpha Sissoko | DF |  | US Quevilly-Rouen | US Quevilly |
| 07/2024 | | Idriss Planeix | DF | | EA Guingamp B | EA Guingamp B |
| 07/2024 | | Amine Hemia | MF |  | FC Martigues | FC Martigues |
| 07/2024 |  | Rayan Touzghar | MF | | EA Guingamp B | EA Guingamp B |
| 07/2024 |  | Brown Irabor | FW |  | FC Bourg-Péronnas | Bourg-Péronnas |
| 07/2024 | | Sylvain Ripoll | MA | |||
| 07/2024 | | Benjamin Genton | AS-CO |  | FC Lorient U19 | U19 |
| 07/2024 | | Anthony Corre | GK-CO |  | Stade Lavallois | Laval |
| 07/2024 | | Florian Simon | AT-C |  | FC Metz | Metz |
| 07/2024 | | Mattéo Leuranguer | G-AN |  | EA Guingamp | Guingamp |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2025 | | Pierre Lemonnier | DF |  | Red Star FC | Red Star |
| 01/2025 | | Rayan Touzghar | MF |  | US Concarneau | Concarneau |
| 09/2024 |  | Mehdi Merghem | MF |  | SC Farense | SC Farense |
| 08/2024 | | Ugo Bonnet | FW |  | IMT Beograd | IMT Beograd |
| 08/2024 | | Brown Irabor | FW | | FC Bourg-Péronnas | Bourg-Péronnas |
| 08/2024 | | Théo Le Normand | MF |  | CD Teruel | CD Teruel |
| 07/2024 | | Baptiste Roux | DF |  | AVS | AVS |
| 07/2024 | | Maxime Sivis | DF |  | FC Dinamo Bucureşti | Dinamo Bucurest |
| 07/2024 |  | Ayman Ben Mohamed | DF |  | Espérance de Tunis | Espérance |
| 07/2024 | | Hady Camara | DF |  | RAAL La Louvière | La Louvière |
| 07/2024 | | Amine El Ouazzani | FW |  | S.C. Braga | S.C. Braga |
| 07/2024 |  | Baptiste Guillaume | FW |  | Almere City FC | Almere City FC |
| 07/2024 | | Jean-Baptiste Le Bescond | AS-CO | | EA Guingamp B | EA Guingamp B |