Grampus U18: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-01 | Soichiro Mori | Grampus U18 | Nagoya Grampus | — |
| 2026-02-01 | Hiroaki Hagi | Grampus U18 | Nagoya Grampus | — |
| 2025-02-01 | Shungo Sugiura | Grampus U18 | Nagoya Grampus | — |
| 2024-02-01 | Ryoga Kida | Grampus U18 | Nagoya Grampus | — |
| 2024-02-01 | Haruto Suzuki | Grampus U18 | Nagoya Grampus | — |
| 2024-02-01 | Alexandre Pisano | Grampus U18 | Nagoya Grampus | — |
| 2023-04-01 | Soichiro Mori | JFA Academy U15 | Grampus U18 | — |
| 2022-02-01 | Hidemasa Koda | Grampus U18 | Nagoya Grampus | — |
| 2022-02-01 | Haruki Yoshida | Grampus U18 | Nagoya Grampus | — |
| 2021-04-01 | Haruto Suzuki | Grampus Jg | Grampus U18 | — |
| 2020-04-01 | Takeshi Ushizawa | Grampus U18 | Chuo University | Free |
| 2020-04-01 | Kyota Sakakibara | Grampus U18 | Rissho Univ. | Free |
| 2019-02-01 | Shumpei Naruse | Grampus U18 | Nagoya Grampus | — |
| 2019-02-01 | Haruya Fujii | Grampus U18 | Nagoya Grampus | — |
| 2018-04-06 | Yukinari Sugawara | Grampus U18 | Nagoya Grampus | — |
| 2016-04-01 | Yukinari Sugawara | Grampus Jg | Grampus U18 | — |
| 2015-04-01 | Ryosuke Kojima | Grampus U18 | Waseda Univ. | Free |
| 2013-02-01 | Nikki Havenaar | Grampus U18 | Nagoya Grampus | — |