Joongdong HS: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2022-01-01 | Hyun-soo Woo | Joongdong HS | Kwangwoon Univ. | — |
| 2019-01-01 | Hyun-soo Woo | Boin MS | Joongdong HS | — |
| 2017-01-01 | Min-woo Seo | Joongdong HS | Yeungnam Uni | — |
| 2015-01-01 | Tae-hyeon Kim | Joongdong HS | Yong In Univ. | — |
| 2015-01-01 | Min-woo Seo | Dongnae HS | Joongdong HS | — |
| 2012-01-01 | Tae-hyeon Kim | Joongdong MS | Joongdong HS | — |
| 2012-01-01 | Jung-hyun Kim | Joongdong HS | Oita Trinita | Free |