Athletico U17: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-06-10 | Arthur Dias | Athletico U17 | Athletico U20 | — |
| 2024-01-01 | João Cruz | Athletico U17 | Athletico U20 | — |
| 2023-07-01 | Dudu | Athletico U17 | Athletico U20 | — |
| 2022-07-01 | Arthur Borghi | Athletico U17 | Corinthians U17 | — |
| 2022-06-17 | Léo Derik | Athletico U17 | Athletico U20 | — |
| 2022-01-01 | Deivison | Athletico U17 | Hope Intern. | — |
| 2021-07-01 | Emersonn | Athletico U17 | Athletico U20 | — |
| 2016-07-01 | Igor Neves | Athletico U17 | Trieste-PR | — |
| 2015-01-01 | Bruno Rodrigues | Athletico U17 | Atlético-PR U20 | — |
| 2014-01-01 | Léo Pereira | Athletico U17 | Atlético-PR | — |