CA San Martín (San Juan) (Torneo Apertura): every transfer in and out, fees paid and earned, squad market value and €2m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-06 | Federico Anselmo | San Martín (SJ) | Banfield | Free |
| 2026-01-20 | Matías Borgogno | San Martín (SJ) | Platense | Loan |
| 2026-01-14 | Horacio Tijanovich | San Martín (SJ) | Central Córdoba | Free |
| 2026-01-04 | Rodrigo Cáseres | CA San Martín (San Juan) | Unión La Calera | Free |
| 2025-07-18 | Ignacio Maestro Puch | Independiente | San Martín (SJ) | Loan |
| 2025-07-11 | Hernán Lópes | San Martín (SJ) | Rionegro Águila | Free |
| 2025-07-06 | Santiago Salle | Independiente | San Martín (SJ) | Loan |
| 2025-03-13 | Diego González | Unión Española | CA San Martín (San Juan) | Free |
| 2025-01-22 | Ayrton Portillo | Defensa | San Martín (SJ) | Loan |
| 2025-01-21 | Maximiliano Velazco | Cobreloa | CA San Martín (San Juan) | Free |
| 2025-01-20 | Marco Iacobellis | All Boys | San Martín (SJ) | Loan |
| 2025-01-20 | Horacio Tijanovich | CA Cerro | San Martín (SJ) | Free |
| 2025-01-16 | Federico Anselmo | Without Club | San Martín (SJ) | — |
| 2025-01-07 | Hernán Lópes | Colon | San Martín (SJ) | Free |
| 2025-01-03 | Nicolás Watson | Instituto ACC | San Martín (SJ) | Loan |
| 2024-01-20 | Tomás Escalante | Defensa | San Martín (SJ) | Loan |
| 2024-01-18 | Tomás Fernández | Boca Juniors | San Martín (SJ) | Loan |
| 2024-01-08 | Santiago López García | Gimnasia (M) | San Martín (SJ) | Loan |
| 2024-01-01 | Matías Borgogno | Vélez Sarsfield | San Martín (SJ) | Free |
| 2023-01-27 | Agustín Heredia | Boca Juniors | San Martín (SJ) | Loan |