ESTAC Troyes (Ligue 1): every transfer in and out, fees paid and earned, squad market value, €64m spent and €155m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-21 | Dermane Karim | Lommel SK | ESTAC Troyes | Free |
| 2026-08-17 | Hugo Picard | Columbus Crew | ESTAC Troyes | Loan |
| 2026-08-05 | Thierno Baldé | ESTAC Troyes | AS Nancy-Lorraine | Free |
| 2026-08-04 | Fred Ondoa Onambele | ESTAC Troyes | Villefranche | Loan |
| 2026-07-28 | Sankhoun Diawara | ESTAC Troyes | AC Milan | €2m |
| 2026-07-19 | Patrick Beach | Melbourne City FC | ESTAC Troyes | Free |
| 2026-07-16 | Iron Gomis | Zira | ESTAC Troyes | Free |
| 2026-07-14 | Yasser Larouci | ESTAC Troyes | Le Mans FC | Free |
| 2026-07-13 | Martin Adeline | ESTAC Troyes | Hamburger SV | €4m |
| 2026-07-01 | Nicolas Lemaître | ESTAC Troyes | Rennes Jugend | Free |
| 2026-07-01 | Mathys Detourbet | ESTAC Troyes | Manchester City | €25m |
| 2026-02-02 | Kandet Diawara | 1.FC Magdeburg | Troyes | — |
| 2026-01-21 | Jaurès Assoumou | Troyes | Samsunspor | €300k |
| 2026-01-14 | Mathis Hamdi | ESTAC Troyes | Le Mans FC | Free |
| 2026-01-09 | Jackson Porozo | Troyes | Club Tijuana | — |
| 2025-09-12 | Yasser Larouci | Troyes | Kifisia | Loan |
| 2025-09-12 | Yasser Larouci | ESTAC Troyes | A.E. Kifisia | Loan |
| 2025-09-10 | Youssouf M'Changama | Troyes | Al-Batin | Free |
| 2025-09-10 | Youssouf M'Changama | ESTAC Troyes | Al Batin | Free |
| 2025-09-01 | Elijah Odede | Sheriff | ESTAC Troyes | €3m |