Seoul E. (K League 2): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-09-20 | Nguyễn Văn Toàn | Seoul E. | Thép Xanh Nam Định | Free |
| 2023-01-12 | Felipe Cadenazzi | Seoul E. | Magallanes | Free |
| 2023-01-04 | Nguyễn Văn Toàn | Hoàng Anh Gia Lai | Seoul E. | Free |
| 2021-07-01 | Yuki Kobayashi | Al Khor | Seoul E. | Free |
| 2021-06-26 | Jae-ik Lee | Al Rayyan | Seoul E. | Free |
| 2020-02-09 | Lazar Arsić | Meizhou Hakka | Seoul E. | Free |
| 2019-03-01 | I. Herrera | Seoul E. | Palestino | Free |
| 2019-01-07 | Diego Bielkiewicz | Seoul E. | Rangers | Free |