Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2026 |  | Jong-beom Baek | GK |  | Gimcheon Sangmu | Gimcheon Sangmu |
| 09/2026 | | Ha-won Jung | MF |  | FC Seoul U18 | U18 |
| 09/2026 | | Min-jun Kim | MF | |||
| 07/2026 | | Hyeon-woo Jeong | FW |  | Siheung Citizen FC | Siheung Citizen FC |
| 07/2026 | | Ji-seop Shin | MF | |||
| 01/2026 |  | Juan Antonio Ros | DF |  | Tianjin Jinmen Tiger | Tianjin Tiger |
| 01/2026 | | Min-kyu Song | FW |  | Jeonbuk FC | Jeonbuk |
| 01/2026 |  | Hrvoje Babec | MF |  | NK Osijek | NK Osijek |
| 01/2026 | | Pil-gwan Ko | MF | |||
| 01/2026 |  | Leonardo Ruiz | FW |  | Seongnam FC | Seongnam FC |
| 01/2026 | | Sung-yun Gu | GK |  | Seoul E-Land FC | Seoul E-Land FC |
| 01/2026 | | Jae-min Ahn | DF |  | Jeonnam Dragons | Jeonnam Dragons |
| 01/2026 | | Sun-woo Ham | DF |  | Hwaseong FC | Hwaseong FC |
| 01/2026 | | Kang-jun Kim | DF | |||
| 01/2026 | | Seo-hyeon Lee | DF | |||
| 01/2026 | | Sang-hoon Paik | MF |  | Dangjin Citizen FC | Dangjin Citizen FC |
| 01/2026 |  | Aleksandar Paločević | MF |  | Nantong Zhiyun | Nantong Zhiyun |
| 01/2026 | | Jeong-beom Son | MF | | FC Seoul U18 | U18 |
| 01/2026 | | Hyeon-gung Jeong | FW | | FC Seoul U18 | U18 |
| 01/2026 | | Seong-jin Kang | FW |  | Suwon Bluewings | Suwon |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2026 | | Min-kyu Song | FW |  | CD Nacional | CD Nacional |
| 07/2026 | | Aleksandar Paločević | MF |  | FC Imabari | FC Imabari |
| 03/2026 | | Sun-woo Ham | DF | | Hwaseong FC | Hwaseong FC |
| 02/2026 | | Cheol-won Choi | GK |  | Gyeongju KHNP | Gyeongju |
| 01/2026 | | Jun-yeong Choi | DF |  | Gimhae FC | Gimhae FC |
| 01/2026 | | Hyun-Seo Bae | DF |  | Gyeongnam FC | Gyeongnam FC |
| 01/2026 | | Young-kwang Cho | DF | | Jeonnam Dragons | Jeonnam Dragons |
| 01/2026 | | Hyeon-deok Kim | DF | | Gimhae FC | Gimhae FC |
| 01/2026 | | Dong-min Her | MF |  | Cheonan City FC | Cheonan City FC |
| 01/2026 | | Ji-Hoon Min | MF |  | Chungbuk Cheongju FC | Chung. Cheongju |
| 01/2026 | | Jae-moon Ryu | MF |  | Daegu FC | Daegu FC |
| 01/2026 | | Han-min Jung | FW |  | Pohang Steelers | Pohang Steelers |
| 01/2026 | | Seong-jin Kang | FW | | Suwon Bluewings | Suwon |
| 01/2026 | | Seung-beom Son | FW | | Pohang Steelers | Pohang Steelers |
| 01/2026 | | Tae-wook Jeong | DF | | Jeonbuk FC | Jeonbuk |