EA Guingamp U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2022-07-01 | Hugo Picard | EA Guingamp U19 | EA Guingamp B | — |
| 2020-07-23 | Yoann Cathline | EA Guingamp U19 | Guingamp | — |
| 2020-07-01 | Vicky Kiankaulua | EA Guingamp U19 | EA Guingamp B | — |
| 2020-07-01 | Matthis Riou | EA Guingamp U19 | EA Guingamp B | — |
| 2020-07-01 | Hugo Picard | EA Guingamp U17 | EA Guingamp U19 | — |
| 2019-07-01 | Yoann Cathline | US Torcy U17 | EA Guingamp U19 | Free |
| 2019-07-01 | Vicky Kiankaulua | Guingamp Jgd. | EA Guingamp U19 | — |
| 2019-07-01 | Jules Gaudin | EA Guingamp U19 | EA Guingamp B | — |
| 2018-07-01 | Hugo Barbet | EA Guingamp U19 | EA Guingamp B | — |
| 2018-07-01 | Dominique Youfeigane | EA Guingamp U19 | EA Guingamp B | — |
| 2018-04-01 | Yohan Bilingi | EA Guingamp U19 | EA Guingamp B | — |
| 2018-04-01 | Baptiste Roux | EA Guingamp U19 | EA Guingamp B | — |
| 2017-07-01 | Mehdi Boudjemaa | EA Guingamp U19 | EA Guingamp B | — |
| 2017-07-01 | Jules Gaudin | EA Guingamp U17 | EA Guingamp U19 | — |
| 2016-07-01 | Baptiste Roux | EA Guingamp U17 | EA Guingamp U19 | — |
| 2015-07-01 | Julien Le Cardinal | EA Guingamp U19 | Stade Briochin | Free |
| 2014-07-01 | Tanguy Ndombélé | EA Guingamp U19 | Amiens SC B | Free |
| 2014-07-01 | Julien Le Cardinal | Briochin U19 | EA Guingamp U19 | Free |
| 2013-07-01 | Tanguy Ndombélé | EA Guingamp U17 | EA Guingamp U19 | — |
| 2013-07-01 | Marcus Coco | EA Guingamp U19 | EA Guingamp B | — |