Jagiellonia U19: every transfer in and out, fees paid and earned, squad market value, €150k spent.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-06 | Maciej Kuczyński | Jagiellonia U19 | Jagiellonia II | — |
| 2024-07-01 | Oskar Pietuszewski | Jagiellonia U19 | Jagiellonia | — |
| 2024-07-01 | Jakub Rabiczko | Jagiellonia U19 | Jagiellonia II | — |
| 2024-07-01 | Eryk Kozłowski | Jagiellonia U19 | Jagiellonia II | — |
| 2024-06-01 | Jakub Rabiczko | Białystok Youth | Jagiellonia U19 | — |
| 2024-05-01 | Maciej Kuczyński | Białystok Youth | Jagiellonia U19 | — |
| 2024-01-01 | Oskar Pietuszewski | Białystok Youth | Jagiellonia U19 | — |
| 2024-01-01 | Bartosz Mazurek | Jagiellonia U19 | Jagiellonia II | — |
| 2023-07-01 | Bartosz Mazurek | Białystok Youth | Jagiellonia U19 | — |
| 2023-01-01 | Bartłomiej Krasiewicz | Jagiellonia U19 | Jagiellonia II | — |
| 2022-07-15 | Miłosz Piekutowski | Jagiellonia U19 | Jagiellonia | — |
| 2022-07-15 | Jakub Lewicki | Jagiellonia U19 | Jagiellonia | — |
| 2022-02-01 | Jan Faberski | Jagiellonia U19 | Jagiellonia | — |
| 2021-07-01 | Jan Faberski | Białystok Youth | Jagiellonia U19 | — |
| 2021-07-01 | Jakub Lewicki | Białystok Youth | Jagiellonia U19 | — |
| 2020-07-01 | Miłosz Matysik | Jagiellonia U19 | Jagiellonia II | — |
| 2020-01-01 | Miłosz Matysik | Białystok Youth | Jagiellonia U19 | — |
| 2019-07-01 | Xavier Dziekoński | Jagiellonia U19 | Jagiellonia II | — |
| 2019-07-01 | Karol Struski | Jagiellonia U19 | Jagiellonia | — |
| 2018-07-13 | Luka Gugeshashvili | Jagiellonia U19 | Jagiellonia | — |