Iwaki FC: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-01 | Yuma Tsujioka | Iwaki FC | Avispa Fukuoka | — |
| 2026-01-12 | Yuto Yamashita | Iwaki FC | Mito HollyHock | — |
| 2026-01-12 | Yusuke Ishida | Iwaki FC | Kyoto Sanga | — |
| 2025-07-07 | Kaina Tanimura | Iwaki FC | Yokohama F. M. | — |
| 2025-02-01 | Yuma Tsujioka | Iwaki FC | Gir. Kitakyushu | Loan |
| 2025-02-01 | Yuki Hayasaka | Kawasaki Front. | Iwaki FC | Loan |
| 2025-02-01 | Nelson Ishiwatari | Cerezo Osaka | Iwaki FC | Loan |
| 2024-07-08 | Hayato Teruyama | Iwaki FC | V-V. Nagasaki | — |
| 2024-02-02 | Yuma Tsujioka | Iwaki FC | Teg. Miyazaki | Loan |
| 2024-02-01 | Yuma Tsujioka | Int'l Pacific U | Iwaki FC | Free |
| 2024-02-01 | Rui Osako | Cerezo Osaka | Iwaki FC | Loan |
| 2024-02-01 | Rio Omori | FC Tokyo | Iwaki FC | Loan |
| 2024-02-01 | Jun Nishikawa | Cerezo Osaka | Iwaki FC | Loan |
| 2024-01-08 | Hayato Teruyama | FC Imabari | Iwaki FC | — |
| 2024-01-08 | Eiji Miyamoto | Iwaki FC | Albirex Niigata | — |
| 2023-01-09 | Yusuke Ishida | Gainare Tottori | Iwaki FC | — |
| 2023-01-09 | Masaru Hidaka | Iwaki FC | JEF Utd. Chiba | — |
| 2023-01-09 | Daiki Sakata | Iwaki FC | Avispa Fukuoka | — |
| 2022-01-09 | Byron Vásquez | Iwaki FC | Tokyo Verdy | — |
| 2021-02-01 | Eiji Miyamoto | Kokushikan Univ | Iwaki FC | Free |