RKU Kashiwa HS: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-01 | Sota Ofuji | RKU Kashiwa HS | Tokyo Verdy | Free |
| 2026-02-01 | Koki Ando | RKU Kashiwa HS | Mito HollyHock | Free |
| 2026-02-01 | Kishin Shimatani | RKU Kashiwa HS | Mito HollyHock | Free |
| 2021-04-01 | Kaito Fujii | RKU Kashiwa HS | RKU | — |
| 2019-02-01 | Ikuma Sekigawa | RKU Kashiwa HS | Kashima Antlers | Free |
| 2018-04-01 | Yuta Miyamoto | RKU Kashiwa HS | RKU | — |
| 2018-04-01 | Taichi Kikuchi | RKU Kashiwa HS | RKU | — |
| 2018-04-01 | Haruto Usui | RKU Kashiwa HS | RKU | — |
| 2017-04-01 | Chihiro Kato | RKU Kashiwa HS | RKU | — |
| 2015-02-01 | Ryoya Ogawa | RKU Kashiwa HS | FC Tokyo | Free |
| 2014-10-06 | Kazuki Takahashi | RKU Kashiwa HS | Leganés U19 | Free |
| 2014-04-01 | Ryo Germain | RKU Kashiwa HS | RKU | — |
| 2014-02-01 | Kei Koizumi | RKU Kashiwa HS | Albirex Niigata | Free |
| 2013-04-01 | Daiki Sakata | RKU Kashiwa HS | RKU | — |
| 2012-04-01 | Masato Yuzawa | RKU Kashiwa HS | RKU | — |
| 2012-04-01 | Keita Nakamura | RKU Kashiwa HS | RKU | — |
| 2012-04-01 | Kazuki Takahashi | Reysol U18 | RKU Kashiwa HS | Free |
| 2012-04-01 | Hiroto Goya | RKU Kashiwa HS | Kwansei Gakuin | Free |
| 2012-04-01 | Daichi Tagami | RKU Kashiwa HS | RKU | — |