Sun Moon Uni.: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-16 | Ha-jong Oh | Sun Moon Uni. | Gwangju FC | Free |
| 2025-06-13 | Jun-hwi Lim | Sun Moon Uni. | Jeonbuk Hyundai | Free |
| 2025-01-17 | Kyung-sub Park | Sun Moon Uni. | Incheon Utd. | Free |
| 2025-01-17 | Hui-su Kang | Sun Moon Uni. | Gwangju FC | Free |
| 2025-01-17 | Dong-hwa Kim | Sun Moon Uni. | Gwangju FC | Free |
| 2024-01-01 | Jun-hwi Lim | Yuseong BST HS | Sun Moon Uni. | — |
| 2023-01-01 | Kyung-sub Park | Incheon Utd U18 | Sun Moon Uni. | — |
| 2022-01-01 | Shin-jin Kim | Sun Moon Uni. | FC Seoul | Free |
| 2022-01-01 | Hui-su Kang | Gwangju FC U18 | Sun Moon Uni. | — |
| 2022-01-01 | Ha-jong Oh | Icheon Jeil HS | Sun Moon Uni. | — |
| 2022-01-01 | Dong-hwa Kim | Gwangju FC U18 | Sun Moon Uni. | — |
| 2020-01-01 | Shin-jin Kim | Gangwon FC U18 | Sun Moon Uni. | — |
| 2016-01-01 | Je-woon Yeon | Sun Moon Uni. | Seongnam FC | Free |
| 2015-01-01 | Jong-woo Kim | Sun Moon Uni. | Suwon Bluewings | Free |
| 2013-01-01 | Je-woon Yeon | Seongnam FC U18 | Sun Moon Uni. | — |
| 2013-01-01 | Hyeon-woo Jo | Sun Moon Uni. | Daegu FC | Free |
| 2012-01-01 | Jong-woo Kim | S.Bluewings U18 | Sun Moon Uni. | — |