Daejeon Korail: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-06-13 | Sung-dong Kim | FC Anyang | Daejeon Korail | Loan |
| 2025-01-17 | Kang-jun Heo | Jeju SK | Daejeon Korail | Loan |
| 2023-02-22 | Sung-yun Kwon | FC Seoul | Daejeon Korail | Loan |
| 2022-01-01 | Seung-ho Kim | D. Korea Railway | Hwaseong FC | Free |
| 2021-03-01 | Won-cheol Choe | D. Korea Railway | Seoul N. United | — |
| 2021-01-07 | Un Kim | D. Korea Railway | FC Mokpo | — |
| 2021-01-07 | Seung-ho Kim | Seojeong Univ. | D. Korea Railway | Free |
| 2020-02-17 | Un Kim | Gyeongju KHNP | D. Korea Railway | — |
| 2020-01-01 | Won-cheol Choe | Cheongju FC | D. Korea Railway | — |
| 2018-01-01 | Jin-seob Park | Daejeon Korail | Ansan Greeners | — |
| 2017-02-01 | Jin-seob Park | Seoul C. A. Uni | Daejeon Korail | Free |