Piast U19: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-01 | Jakub Grelich | Piast U19 | Piast Gliwice II | — |
| 2024-07-01 | Mateusz Kopczyński | Piast U19 | Piast Gliwice II | — |
| 2022-07-01 | Justin Daniel | Piast U19 | Piast Gliwice II | — |
| 2017-07-01 | Wojciech Kamiński | Piast U19 | Piast Gliwice II | — |
| 2016-07-28 | Jakub Łabojko | Piast U19 | Radzionkow | Free |
| 2014-01-01 | Patryk Dziczek | Piast U19 | Piast Gliwice | — |
| 2011-07-01 | Radosław Murawski | Piast U19 | Piast Gliwice | — |