| 2026-10-13 | S. Espindola | River Plate → River Plate | Raise |
| 2026-09-15 | F. Bustos | River Plate → Coritiba | Free agent |
| 2026-09-14 | F. Bustos | River Plate → Coritiba | Free agent |
| 2026-09-09 | M. Viña | River Plate → Flamengo | Return from loan |
| 2026-09-01 | G. Galoppo | River Plate → Atlanta United FC | Loan |
| 2026-09-01 | M. Galarza | River Plate → Inter Miami | Loan |
| 2026-08-31 | G. Pezzella | River Plate → Penarol | Free agent |
| 2026-08-31 | J. Freitas | River Plate → Flamengo | Transfer |
| 2026-08-30 | G. Pezzella | River Plate → Penarol | Free agent |
| 2026-08-30 | J. Freitas | River Plate → Flamengo | Transfer |
| 2026-08-29 | K. Páez | River Plate → Chelsea | Return from loan |
| 2026-08-29 | K. Páez | River Plate → Chelsea (U21) | Return from loan |
| 2026-08-14 | Tobías Leiva | River Plate → Rubio NU | Free agent |
| 2026-08-13 | K. Castaño | River Plate → Atletico-MG | Loan |
| 2026-08-09 | J. Quintero | River Plate → Independiente Medellin | Free agent |
| 2026-08-08 | J. Quintero | River Plate → Independiente Medellin | Free agent |
| 2026-08-08 | A. De la Cuesta Airoldi | River Plate → Racing Montevideo | Transfer |
| 2026-08-07 | A. De la Cuesta Airoldi | River Plate → Racing Montevideo | Transfer |
| 2026-08-07 | T. Almada | Atletico Madrid → River Plate | Transfer |
| 2026-08-06 | F. Colidio | River Plate → Vasco DA Gama | Transfer |
| 2026-08-06 | M. Salas | River Plate → Independ. Rivadavia | Loan |
| 2026-08-06 | L. Lavagnino | River Plate → Valladolid | Free agent |
| 2026-08-06 | T. Almada | Atletico Madrid → River Plate | Transfer |
| 2026-08-05 | F. Colidio | River Plate → Vasco DA Gama | Transfer |
| 2026-08-05 | L. Lavagnino | River Plate → Valladolid | Free agent |
| 2026-08-05 | F. Ortega | Olympiakos Piraeus → River Plate | Transfer |
| 2026-08-05 | S. Lencinas | River Plate → Burgos | Loan |
| 2026-08-04 | F. Ortega | Olympiakos Piraeus → River Plate | Transfer |
| 2026-08-02 | Ian Martin Subiabre | River Plate → Tigre | Loan |
| 2026-07-31 | U. Giménez | River Plate → Sarmiento Junin | Loan |
| 2026-07-30 | T. Andrada | Velez Sarsfield → River Plate | Transfer |
| 2026-07-29 | T. Andrada | Velez Sarsfield → River Plate | Transfer |
| 2026-07-23 | Á. Correa | Tigres UANL → River Plate | Transfer |
| 2026-07-22 | J. Quintero | River Plate → Quintero Juan | Free agent |
| 2026-07-22 | Á. Correa | Tigres UANL → River Plate | Transfer |
| 2026-07-16 | F. Armani | River Plate → Atletico Nacional | Free agent |
| 2026-07-13 | P. Díaz | River Plate → Atlanta United FC | Free agent |
| 2026-07-12 | M. Herrera | River Plate → Columbus Crew | Transfer |
| 2026-07-08 | F. Armani | River Plate → Armani Franco | Free agent |
| 2026-07-08 | F. Armani | River Plate → Atletico Nacional | Free agent |
| 2026-07-03 | R. Borré | Internacional → River Plate | Transfer |
| 2026-07-03 | E. Giménez | River Plate → Sarmiento Junin | Free agent |
| 2026-07-03 | B. DadÃn | River Plate → Aldosivi | Loan |
| 2026-07-02 | R. Borré | Internacional → River Plate | Transfer |
| 2026-06-30 | M. Meza | River Plate → Independiente | Free agent |
| 2026-06-30 | S. Boselli | River Plate → Getafe | Transfer |
| 2026-06-30 | Tobías Leiva | River Plate → Rubio NU | Free agent |
| 2026-06-30 | L. Beltrán | Fiorentina → River Plate | Loan |
| 2026-06-30 | C. Jaime | River Plate → Penarol | Loan |
| 2026-06-30 | G. González | FC Krasnodar → River Plate | Transfer |
| 2026-06-30 | M. Arambarri | Getafe → River Plate | Transfer |
| 2026-06-30 | N. Otamendi | Benfica → River Plate | Free agent |
| 2026-06-29 | S. Boselli | Getafe → River Plate | Return from loan |
| 2026-06-29 | Tobías Leiva | Estudiantes de Rio Cuarto → River Plate | Return from loan |
| 2026-06-29 | M. Herrera | Columbus Crew → River Plate | Return from loan |
| 2026-06-29 | L. Baju | Wanderers → River Plate | Return from loan |
| 2026-06-29 | M. Galarza | Atlanta United FC → River Plate | Return from loan |
| 2026-06-29 | L. Lavagnino | Independiente → River Plate | Return from loan |
| 2026-06-29 | B. DadÃn | Independ. Rivadavia → River Plate | Return from loan |
| 2026-05-17 | J. Asuzu | River Plate → River Plate | - |
| 2026-03-01 | M. Galarza | River Plate → Atlanta United FC | Loan |
| 2026-02-08 | Leonardo Pena Biafore | River Plate → Ferro Carril Oeste | Free agent |
| 2026-02-05 | G. Trindade | River Plate → Nueva Chicago | Free agent |
| 2026-02-05 | L. Baju | River Plate → Wanderers | Loan |
| 2026-01-29 | K. Páez | Chelsea → River Plate | Loan |
| 2026-01-29 | K. Páez | Chelsea (U21) → River Plate | Loan |
| 2026-01-22 | M. Borja | River Plate → Al-Wasl FC | Free agent |
| 2026-01-21 | P. Martínez | River Plate → Tigre | Free agent |
| 2026-01-19 | B. DadÃn | River Plate → Independ. Rivadavia | Loan |
| 2026-01-17 | Alexis González | River Plate → Sarmiento Junin | Loan |
| 2026-01-15 | S. Boselli | River Plate → Getafe | Loan |
| 2026-01-13 | G. Galoppo | Sao Paulo → River Plate | Transfer |
| 2026-01-13 | E. Pérez | River Plate → Argentinos JRS | Free agent |
| 2026-01-13 | Tobías Leiva | River Plate → Estudiantes de Rio Cuarto | Loan |
| 2026-01-13 | D. Martínez | River Plate → Defensa Y Justicia | Loan |
| 2026-01-13 | T. Serrago | River Plate → Tigre | Loan |
| 2026-01-13 | Joaquin Flores | River Plate → Central Cordoba de Santiago | Loan |
| 2026-01-06 | M. Casco | River Plate → Atletico Nacional | Free agent |
| 2026-01-06 | D. Martínez | River Plate → Defensa Y Justicia | Transfer |
| 2026-01-06 | M. Viña | Flamengo → River Plate | Loan |
| 2026-01-05 | J. Ledesma | River Plate → Rosario Central | Loan |
| 2026-01-05 | F. Alfonso | River Plate → Olimpia | Free agent |
| 2026-01-01 | T. Castro Ponce | River Plate → Atlanta | Free agent |