Zelvia (J1 League): every transfer in and out, fees paid and earned, squad market value, €5.4m spent.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-24 | Koki Ogawa | NEC Nijmegen | Zelvia | €1.9m |
| 2026-07-09 | Takahiro Akimoto | OH Leuven | Zelvia | Free |
| 2026-07-03 | Yusuke Matsuo | Urawa Red Diamonds | Zelvia | Free |
| 2026-07-03 | Sang-ho Na | Zelvia | Fagiano Okayama Sports Club | Free |
| 2026-07-01 | Aki Koch | Karlsruher SC | Zelvia | Free |
| 2026-07-01 | Takaya Numata | Zelvia | Fujieda MYFC | Free |
| 2026-07-01 | Byron Vásquez | Zelvia | Tochigi City | Loan |
| 2026-07-01 | Yoshiaki Arai | Zelvia | Urawa Red Diamonds | Free |
| 2026-07-01 | Kanji Kuwayama | Zelvia | Albirex Niigata | Loan |
| 2026-07-01 | Kotaro Hayashi | Zelvia | Urawa Red Diamonds | Free |
| 2026-06-30 | Se-hun Oh | Shimizu S-Pulse | Machida Zelvia | Free |
| 2026-04-20 | Tenshiro Takasaki | Machida Zelvia | Grêmio U20 | Loan |
| 2026-03-13 | Atsushi Kurokawa | Zelvia | Ventforet Kofu | Free |
| 2026-02-05 | Min-tae Kim | Shonan Bellmare | Machida Zelvia | Free |
| 2026-02-01 | Futa Tokumura | Kamigaku HS | Machida Zelvia | Free |
| 2026-02-01 | Sho Fuseya | Zelvia | Kataller Toyama | Free |
| 2026-02-01 | Daigo Takahashi | Zelvia | Giravanz Kitakyushu | Free |
| 2026-02-01 | Takumi Narasaka | Zelvia | Giravanz Kitakyushu | Loan |
| 2026-02-01 | Anton Burns | Zelvia | Gainare Tottori | Loan |
| 2026-02-01 | Mizuki Uchida | Zelvia | Consadole Sapporo | Free |