Seattle Academy: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-02-27 | Sebastian Gomez | Seattle Academy | Tacoma Defiance | — |
| 2023-12-04 | Snyder Brunell | Seattle Academy | Tacoma Defiance | — |
| 2022-06-23 | Stuart Hawkins | Seattle Academy | Tacoma Defiance | — |
| 2021-07-21 | Cody Baker | Seattle Academy | Tacoma Defiance | — |
| 2021-07-01 | Snyder Brunell | Crossfire Acad. | Seattle Academy | Free |
| 2021-05-07 | Obed Vargas | Seattle Academy | Tacoma Defiance | — |
| 2021-01-01 | Gavin Muens | Seattle Academy | Without Club | — |
| 2020-08-01 | Peter Kingston | Seattle Academy | Redhawks | Free |
| 2020-08-01 | Antino Lopez | Seattle Academy | Blue Devils | Free |
| 2020-07-23 | Reed Baker-Whiting | Seattle Academy | Tacoma Defiance | — |
| 2020-07-13 | Reed Baker-Whiting | Seattle Academy | Tacoma Defiance | Loan |
| 2020-03-06 | Peter Kingston | Seattle Academy | Tacoma Defiance | Loan |
| 2020-03-06 | Antino Lopez | Seattle Academy | Tacoma Defiance | Loan |
| 2019-07-01 | Antino Lopez | Shattuck | Seattle Academy | Free |
| 2019-03-08 | Peter Kingston | Seattle Academy | Tacoma Defiance | Loan |
| 2019-01-22 | Josh Atencio | Seattle Academy | Tacoma Defiance | — |
| 2019-01-01 | Alec Díaz | Seattle Academy | Tacoma Defiance | — |
| 2018-12-01 | Danny Leyva | Seattle Academy | Tacoma Defiance | — |
| 2018-08-19 | Peter Kingston | Seattle Academy | Tacoma Defiance | Loan |
| 2017-08-01 | Trey Muse | Seattle Academy | Indiana Hoosier | Free |