St-Étienne U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-07-01 | Maedine Makhloufi | St-Étienne U19 | Saint-Étienne B | — |
| 2024-07-01 | Kévin Pedro | St-Étienne U19 | Saint-Étienne B | — |
| 2024-07-01 | Djylian N'Guessan | St-Étienne U19 | Saint-Étienne B | — |
| 2023-07-03 | Noah Raveyre | St-Étienne U19 | Milan U19 | Free |
| 2023-07-01 | Mathis Amougou | St-Étienne U19 | Saint-Étienne B | — |
| 2023-07-01 | Marwann Nzuzi | St-Étienne U19 | Saint-Étienne B | — |
| 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 | Darnell Eric Bile | St-Étienne U19 | Saint-Étienne B | — |
| 2022-07-01 | Beres Owusu | St-Étienne U19 | Saint-Étienne B | — |
| 2022-07-01 | Antoine Gauthier | St-Étienne U19 | Saint-Étienne B | — |
| 2021-07-01 | Sékou Fofana | St-Étienne U19 | Team Vaud U21 | — |
| 2021-07-01 | Noah Raveyre | St-Étienne U17 | St-Étienne U19 | — |
| 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 | Louis Mouton | St-Étienne U19 | Saint-Étienne B | — |
| 2021-07-01 | Antoine Gauthier | St-Étienne U17 | St-Étienne U19 | — |
| 2020-07-01 | Sékou Fofana | Montfermeil U19 | St-Étienne U19 | — |
| 2020-07-01 | Saïdou Sow | St-Étienne U19 | Saint-Étienne | — |