Legia U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-08-01 | Samuel Kovacik | Legia U19 | Legia II | — |
| 2024-07-01 | Pascal Mozie | Legia U19 | Legia II | — |
| 2024-02-13 | Samuel Kovacik | MSK Zilina U17 | Legia U19 | — |
| 2024-02-02 | Jakub Żewłakow | Legia U19 | Legia Warszawa | — |
| 2023-11-01 | Pascal Mozie | Legia Yth. | Legia U19 | — |
| 2023-07-01 | Kacper Potulski | Legia U19 | Mainz 05 U17 | Free |
| 2022-11-01 | Kacper Potulski | Legia Yth. | Legia U19 | — |
| 2022-08-01 | Jan Ziolkowski | Legia U19 | Legia II | — |
| 2022-07-01 | Jan Ziolkowski | MKS Polonia U19 | Legia U19 | — |
| 2022-06-01 | Filip Rejczyk | Legia U19 | Legia II | — |
| 2022-05-01 | Filip Rejczyk | Legia Yth. | Legia U19 | — |
| 2022-04-04 | Mykyta Sytnykov | Oleksandria U19 | Legia U19 | Loan |
| 2022-02-02 | Igor Strzałek | Legia U19 | Legia II | — |
| 2022-02-01 | Marcel Krajewski | Legia U19 | Legia II | — |
| 2021-07-01 | Marcel Krajewski | Legia Yth. | Legia U19 | — |
| 2020-01-01 | Szymon Wlodarczyk | Legia U19 | Legia II | — |
| 2019-07-01 | Nikodem Niski | Legia U19 | Legia II | — |
| 2019-07-01 | Michał Król | Legia U19 | Legia II | — |
| 2019-07-01 | Lukasz Lakomy | Legia U19 | Legia II | — |
| 2019-07-01 | Kacper Tobiasz | Legia U19 | Legia II | — |