Gamba U18: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-02-01 | Yuya Yokoi | Gamba U18 | Gamba Osaka | — |
| 2026-02-01 | Takato Yamamoto | Gamba U18 | Gamba Osaka | — |
| 2026-02-01 | Taiki Tono | Gamba U18 | Gamba Osaka | — |
| 2026-02-01 | Rui Araki | Gamba U18 | Gamba Osaka | — |
| 2026-02-01 | Naru Nakatsumi | Gamba U18 | Gamba Osaka | — |
| 2024-04-01 | Yuya Yokoi | Gamba Jg | Gamba U18 | — |
| 2024-02-01 | Aolin Zhang | Gamba U18 | Gamba Osaka | — |
| 2023-04-01 | Yuki Yoshihara | Gamba U18 | Takushoku Univ. | Free |
| 2023-04-01 | Takato Yamamoto | Gamba Jg | Gamba U18 | — |
| 2023-04-01 | Taiki Tono | Gamba Jg | Gamba U18 | — |
| 2023-04-01 | Naru Nakatsumi | Gamba Jg | Gamba U18 | — |
| 2023-02-01 | Harumi Minamino | Gamba U18 | Gamba Osaka | — |
| 2022-02-01 | Jiro Nakamura | Gamba U18 | Gamba Osaka | — |
| 2022-02-01 | Isa Sakamoto | Gamba U18 | Gamba Osaka | — |
| 2020-04-01 | Yuto Nagao | Gamba U18 | Kwansei Gakuin | Free |
| 2020-04-01 | Hayato Okuda | Gamba U18 | Momoyama Gak. | Free |
| 2020-02-01 | Shoji Toyama | Gamba U18 | Gamba Osaka | — |
| 2019-02-01 | Kohei Okuno | Gamba U18 | Gamba Osaka | — |
| 2018-02-01 | Kosei Tani | Gamba U18 | Gamba Osaka | — |
| 2017-02-01 | Yudai Konishi | Gamba U18 | Tokushima Vort. | Free |