Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2026 | Dominik Zdich | MF | ![]() | FK Mladá Boleslav U17 | U17 | |
| 09/2026 | Tomáš Zuskin | DF | ![]() | FK Mladá Boleslav U17 | U17 | |
| 09/2026 | Tomáš Prikner | DF | ![]() | FK Mladá Boleslav U17 | U17 | |
| 07/2026 | Daniel Dřevíkovský | GK | ![]() | Viktoria Žižkov U19 | U19 | |
| 07/2026 | Alex Van der Linden | DF | ![]() | FK Mladá Boleslav U17 | U17 | |
| 07/2026 | Štěpán Zderadička | DF | ![]() | FK Mladá Boleslav U17 | U17 | |
| 07/2026 | Marek Jirků | MF | ![]() | FK Mladá Boleslav II (U18) U19 | U19 | |
| 07/2026 | Martin Kulas | MF | ![]() | FK Mladá Boleslav U17 | U17 | |
| 07/2026 | Denis Beran | FW | ![]() | FK Mladá Boleslav U17 | U17 | |
| 07/2026 | Matyáš Vurčík | FW | ![]() | FK Mladá Boleslav U17 | U17 | |
| 07/2026 | Martin Mrvík | MA | ![]() | FK Mladá Boleslav U17 | U17 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2026 | Marek Obdržálek | GK | ![]() | FK Mladá Boleslav | Ml. Boleslav | |
| 07/2026 | Samuel Klieštík | DF | ![]() | FK Mlada Boleslav B | FK Mlada Boleslav B | |
| 07/2026 | Martin Otta | DF | ![]() | FK Mlada Boleslav B | FK Mlada Boleslav B | |
| 07/2026 | Michael Kühnel | FW | ![]() | FK Mlada Boleslav B | FK Mlada Boleslav B |





