Quakes II: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-20 | Nonso Adimabua | Quakes II | SJ Earthquakes | — |
| 2026-01-01 | Rohan Rajagopal | Quakes II | SJ Earthquakes | — |
| 2025-12-31 | Edwyn Mendoza | Quakes II | SJ Earthquakes | Free |
| 2025-12-31 | Chance Cowell | Quakes II | SJ Earthquakes | Free |
| 2025-12-18 | Wilson Eisner | Quakes II | SJ Earthquakes | Free |
| 2025-02-27 | Reid Roberts | SJ Earthquakes | The Town FC | Loan |
| 2025-02-27 | Oscar Verhoeven | SJ Earthquakes | The Town FC | Loan |
| 2025-02-27 | Nonso Adimabua | UC Berkeley | The Town FC | Free |
| 2025-02-27 | Nick Fernández | SJ Earthquakes | The Town FC | Loan |
| 2025-02-27 | Kaedren Spivey | SJ Earthquakes | The Town FC | Loan |
| 2025-01-01 | Wilson Eisner | The Town FC | SJ Earthquakes | Loan |
| 2024-12-31 | Edwyn Mendoza | The Town FC | SJ Earthquakes | Loan |
| 2024-07-18 | Wilson Eisner | Cornell Big Red | The Town FC | Free |
| 2024-05-09 | Rohan Rajagopal | SJE Academy | The Town FC | — |
| 2024-03-15 | Oscar Verhoeven | SJ Earthquakes | The Town FC | Loan |
| 2024-03-15 | Emmanuel Ochoa | SJ Earthquakes | The Town FC | Loan |
| 2024-03-15 | Beau Leroux | SJ Earthquakes | The Town FC | Loan |
| 2024-01-01 | Edwyn Mendoza | The Town FC | SJ Earthquakes | Loan |
| 2024-01-01 | Chance Cowell | The Town FC | SJ Earthquakes | Loan |
| 2023-05-16 | Edwyn Mendoza | SJE Academy | San Jose II | — |