Tongjin HS: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-01-17 | Sang-hyeon Lee | Tongjin HS | Incheon Utd. | Free |
| 2022-01-01 | Sang-hyeon Lee | Gimpo FA U15 | Tongjin HS | — |
| 2019-01-04 | Tae-hyeon Kim | Tongjin HS | Ulsan Hyundai | Free |
| 2017-01-01 | Ju-hyeon Lee | Tongjin HS | Chung-Ang Uni | — |
| 2016-01-01 | Tae-hyeon Kim | Gimpo FA U15 | Tongjin HS | — |
| 2014-01-01 | Ju-hyeon Lee | Gimpo FA U15 | Tongjin HS | — |