San Martín (T): every transfer in and out, fees paid and earned, squad market value, €232k spent and €1.5m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-10 | Tiago Peñalba | San Martín (T) | Zalaegerszegi TE | €290k |
| 2026-07-01 | Rodrigo Ayala | Dep. Madryn | San Martín (T) | Free |
| 2026-07-01 | Álvaro Veliez | Tristán Suárez | San Martín (T) | Free |
| 2026-07-01 | Bruno Cabrera | Club Atlético Lanús | San Martín (T) | Loan |
| 2026-07-01 | G. Carabajal | Cusco FC | San Martín (T) | Free |
| 2026-07-01 | Mauro Véron | Managua | San Martín (T) | Free |
| 2026-07-01 | Elías López | San Martín (T) | Club Atlético Aldosivi | Free |
| 2026-07-01 | Lucas Diarte | San Martín (T) | Dep. Madryn | Free |
| 2026-02-04 | Benjamín Borasi | Club Atlético Sarmiento | San Martín (T) | Loan |
| 2026-02-02 | Diego Diellos | Club Ferro Carril Oeste | San Martín (T) | Free |
| 2026-01-30 | Agustín Prokop | San Martín (T) | Flandria | Free |
| 2026-01-22 | Matías García | San Martín (T) | Dep. Riestra | Free |
| 2026-01-22 | Matías García | San Martín (T) | Asociación de Fomento Deportivo Riestra Barrio Colón | Free |
| 2026-01-15 | Nahuel Manganelli | Asociación de Fomento Deportivo Riestra Barrio Colón | San Martín (T) | Free |
| 2026-01-15 | Junior Arias | San Martín (T) | Aldosivi | €39k |
| 2026-01-14 | Laureano Rodríguez | Club Sportivo Independiente Rivadavia | San Martín (T) | Free |
| 2026-01-14 | Nahuel Banegas | San Martín (T) | Tigre | — |
| 2026-01-14 | Aaron Spetale | San Martín (T) | Quilmes Atlético Club | Free |
| 2026-01-13 | Facundo Pons | Deportes Limache | San Martín (T) | Free |
| 2026-01-13 | Nahuel Gallardo | Delfín SC | San Martín (T) | Free |