St-Étienne U17: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-07-01 | Djylian N'Guessan | St-Étienne U17 | St-Étienne U19 | — |
| 2022-07-01 | Mathis Amougou | St-Étienne U17 | St-Étienne U19 | — |
| 2022-07-01 | Kévin Pedro | St-Étienne U17 | St-Étienne U19 | — |
| 2022-07-01 | Jebryl Sahraoui | St-Étienne U17 | Saint-Étienne B | — |
| 2022-07-01 | Djylian N'Guessan | ASSE Yth. | St-Étienne U17 | — |
| 2021-07-01 | Noah Raveyre | St-Étienne U17 | St-Étienne U19 | — |
| 2021-07-01 | Mathis Amougou | US Torcy Yth. | St-Étienne U17 | — |
| 2021-07-01 | Marwann Nzuzi | St-Étienne U17 | St-Étienne U19 | — |
| 2021-07-01 | Maedine Makhloufi | St-Étienne U17 | St-Étienne U19 | — |
| 2021-07-01 | Antoine Gauthier | St-Étienne U17 | St-Étienne U19 | — |
| 2020-07-01 | Antoine Gauthier | ASSE Yth. | St-Étienne U17 | — |
| 2019-07-01 | Marwann Nzuzi | US Torcy Yth. | St-Étienne U17 | Free |
| 2019-07-01 | Lucas Gourna-Douath | St-Étienne U17 | St-Étienne U19 | — |
| 2018-08-06 | Lucas Gourna-Douath | US Torcy Yth. | St-Étienne U17 | Free |
| 2018-07-01 | Stefan Bajic | St-Étienne U17 | Saint-Étienne B | — |
| 2018-07-01 | Maxence Rivera | St-Étienne U17 | St-Étienne U19 | — |
| 2017-07-01 | William Saliba | St-Étienne U17 | St-Étienne U19 | — |
| 2017-07-01 | Wesley Fofana | St-Étienne U17 | St-Étienne U19 | — |
| 2017-07-01 | Maxence Rivera | ASSE Yth. | St-Étienne U17 | — |
| 2017-07-01 | Etienne Green | St-Étienne U17 | St-Étienne U19 | — |