Incheon Utd U15: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-01-01 | Jun-seop Lee | Incheon Utd U15 | Incheon Utd U18 | — |
| 2022-01-01 | Min-jun Wang | Incheon Utd U15 | Incheon Utd U18 | — |
| 2021-07-06 | Seung-jae Yoo | Incheon Utd U15 | Pohang St. U15 | — |
| 2021-01-01 | Seung-jae Yoo | GS Gyungsu U12 | Incheon Utd U15 | — |
| 2020-01-01 | Min-jun Wang | Yongin FC U15 | Incheon Utd U15 | — |
| 2020-01-01 | Kyung-sub Park | Incheon Utd U15 | Incheon Utd U18 | — |
| 2020-01-01 | Jun-seop Lee | Jingun ES | Incheon Utd U15 | — |
| 2019-01-01 | Byung-wook Choi | Incheon Utd U15 | Dongbuk MS | — |
| 2018-01-01 | Hyun-woo Chae | Incheon Utd U15 | Goal Club U15 | — |
| 2018-01-01 | Byung-wook Choi | Lee Eulyong U12 | Incheon Utd U15 | — |
| 2017-01-01 | Seong-woo Moon | Incheon Utd U15 | Suwon FC U15 | — |
| 2017-01-01 | Kyung-sub Park | W. Taejang ES | Incheon Utd U15 | — |
| 2017-01-01 | Hyun-woo Chae | Guri Junior FC | Incheon Utd U15 | — |
| 2016-01-01 | Seong-woo Moon | Incheon Yth. | Incheon Utd U15 | — |
| 2016-01-01 | Seong-hoon Cheon | Incheon Utd U15 | Incheon Utd U18 | — |
| 2015-01-01 | Woo-yeong Jeong | Incheon Utd U15 | Incheon Utd U18 | — |
| 2015-01-01 | Min-gyu Jang | Incheon Utd U15 | Bupyeong HS | — |
| 2014-01-01 | Jin-ya Kim | Incheon Utd U15 | Incheon Utd U18 | — |
| 2013-07-01 | Min-gyu Jang | Ulsan H. U15 | Incheon Utd U15 | — |
| 2013-01-01 | Seong-hoon Cheon | Incheon Yth. | Incheon Utd U15 | — |