Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2026 |  | Nemanja Milosevic | DF |  | Team Basel Concordia U15 | U15 |
| 07/2026 | | Luis Antonio | ||||
| 07/2026 | | Elia-Leandro Aratore | ||||
| 07/2026 | | Manuel Arnoldi | ||||
| 07/2026 | | Laurin Fazliu | ||||
| 07/2026 | | Leonard Frank | ||||
| 07/2026 | | Leandro Fusco | ||||
| 07/2026 | | Mark Gillingham | ||||
| 07/2026 | | Ernesto Giustolisi | ||||
| 07/2026 | | Jonah Jacquemai | ||||
| 07/2026 | | Marc Karstens | ||||
| 07/2026 | | Dian Neumayr | ||||
| 07/2026 | | Maël Pedrazzini | ||||
| 07/2026 | | Lionel Rakitic | | Team Basel Concordia U15 | U15 | |
| 07/2026 | | Arijon Sulejmani |  | FC Aarau U15 | U15 | |
| 07/2026 | | Elias-Aniekan Umoh | ||||
| 07/2026 | | Maadin Dafri | MF | |||
| 07/2026 | | Dion Ramani | MF |  | FCO St. Gallen U15 | U15 |
| 07/2026 | | Aladin Dafri | FW |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2026 | | Ben Grabner |  | FC Basel 1893 U16 | U16 | |
| 07/2026 | | Marco Thommen | | FC Basel 1893 U16 | U16 | |
| 07/2026 | | Raul Arnold | MF | | FC Basel 1893 U16 | U16 |
| 07/2026 | | Leon Limani | MF |  | FC Basel 1893 U17 | U17 |
| 07/2026 | | Learti Morina | MF | | FC Basel 1893 U17 | U17 |
| 07/2026 | | Dorian Muslija | MF | | FC Basel 1893 U17 | U17 |
| 07/2026 | | Jonas Becker | FW | | FC Basel 1893 U16 | U16 |
| 07/2026 | | Miguel Da Costa | FW | | FC Basel 1893 U16 | U16 |
| 07/2026 | | Jeremias Malengisa Libota | FW | | FC Basel 1893 U16 | U16 |