Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2026 |  | Seung-hyeon Cha | DF |  | Cheonan City FC | Cheonan City FC |
| 10/2026 | | Jeong-won Eo | DF |  | Pohang Steelers | Pohang Steelers |
| 10/2026 | | Min-Gyu Jang | DF |  | Jeju SK FC | Jeju SK FC |
| 10/2026 | | Myeong-kwan Seo | DF |  | Ulsan HD FC | Ulsan HD FC |
| 08/2026 | | Chan-gi An | GK | | Jeju SK FC | Jeju SK FC |
| 08/2026 | | Sang-young Park | GK |  | Daegu FC | Daegu FC |
| 08/2026 | | Young-hun Kang | DF |  | Incheon United | Incheon United |
| 08/2026 | | Jin-ho Kim | DF |  | Gwangju FC | Gwangju FC |
| 08/2026 | | Sang-hyeok Lee | DF |  | Bucheon FC 1995 | Bucheon FC 1995 |
| 08/2026 | | Jun-young Lim | DF |  | Chungbuk Cheongju FC | Chung. Cheongju |
| 08/2026 | | Jun-seok Song | DF |  | Gangwon FC | Gangwon FC |
| 08/2026 | | Gyu-hyeon Choe | MF |  | FC Anyang | FC Anyang |
| 08/2026 | | Won-jin Hong | MF |  | Jeonnam Dragons | Jeonnam Dragons |
| 08/2026 | | Jun-ha Kim | MF | | Jeju SK FC | Jeju SK FC |
| 08/2026 | | Jae-hyeok Oh | MF | | Jeju SK FC | Jeju SK FC |
| 08/2026 | | Gyung-jun Byeon | FW |  | Seoul E-Land FC | Seoul E-Land FC |
| 08/2026 | | Yool Heo | FW | | Ulsan HD FC | Ulsan HD FC |
| 08/2026 | | Ji-won Park | FW |  | Suwon Bluewings | Suwon |
| 01/2026 | | Jun-soo Byeon | DF |  | Jeonbuk FC | Jeonbuk |
| 01/2026 | | Seung-Jin Joo | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2026 | | Jong-beom Baek | GK |  | FC Seoul | FC Seoul |
| 10/2026 | | Hyeon-ho Moon | GK | | Ulsan HD FC | Ulsan HD FC |
| 10/2026 | | Tae-hwan Kim | DF | | Jeju SK FC | Jeju SK FC |
| 10/2026 | | Chan-wook Lee | DF |  | Gyeongnam FC | Gyeongnam FC |
| 10/2026 | | Jung-taek Lee | DF |  | Daejeon Hana Citizen | Daejeon |
| 10/2026 | | Yi-Seok Kim | MF | | Gangwon FC | Gangwon FC |
| 10/2026 | | Jae-hyeon Ko | MF | | Daegu FC | Daegu FC |
| 10/2026 | | Soo-bin Lee | MF | | Jeonbuk FC | Jeonbuk |
| 10/2026 | | Se-jin Park | MF | | Daegu FC | Daegu FC |
| 10/2026 | | Byung-kwan Jeon | FW | | Jeonbuk FC | Jeonbuk |
| 10/2026 | | Joo-chan Kim | FW | | Suwon Bluewings | Suwon |
| 10/2026 | | Gun-hee Lee | FW | | Jeju SK FC | Jeju SK FC |
| 10/2026 | | Cheol-woo Park | FW |  | Suwon FC | Suwon FC |
| 01/2026 | | Tae-hoon Kim | GK | | FC Anyang | FC Anyang |
| 01/2026 | | Jun-ho Kim | MF | | Pohang Steelers | Pohang Steelers |
| 01/2026 | | Hyeon-sik Lee | MF | | Daejeon Hana Citizen | Daejeon |
| 01/2026 | | Jung-yong Chung | MA | | Jeonbuk FC | Jeonbuk |