Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2026 |  | Franek Sobieszczyk | MF | |||
| 10/2026 |  | Christian Šimunović | MF | |||
| 09/2026 |  | Elias Resida | GK | |||
| 07/2026 |  | Markús Andri Daníelsson | DF |  | UMF Stjarnan | Stjarnan |
| 07/2026 | | Noah Ahannach | DF |  | AZ Alkmaar U15 | AZ Alkmaar U15 |
| 07/2026 | | Giel Kappelhof | DF | |||
| 07/2026 | | Jeremiah Ojomo | DF | | AZ Alkmaar U15 | AZ Alkmaar U15 |
| 07/2026 | | Nick Perez Mutsaers | DF | |||
| 07/2026 | | Willem Schuit | DF | |||
| 07/2026 |  | Aryan Parmar | MF | |||
| 07/2026 | | Joey Plat | MF | |||
| 07/2026 | | Hamid Aboutaleb | FW | |||
| 07/2026 | | Ayoub Benhaddi | FW | |||
| 07/2026 |  | Timót Farkas | FW |  | Mészöly Focisuli SE U17 | U17 |
| 07/2026 | | Ellazaro Jackson | FW | |||
| 07/2026 | | Jeremayo Levant | FW | |||
| 07/2026 | | Jessey van der Mije | FW | |||
| 07/2026 | | Sander Veraart | MA | |||
| 07/2026 | | Nick Zeijlmans | AS-CO |  | FC Volendam U17 | U17 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2026 | | Lars Boer | DF |  | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Keayon Dumfries | DF | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Timme Elffers | DF | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Janoa Elias | DF | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Aebe Morel | DF | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Job Tiebie | DF | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Jahmael Ampofo | MF | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Cas Jongeneelen | MF | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Milo Kadyla | MF | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Cas Klop | MF | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Senna van Elst | MF | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Dante Blankendaal | FW |  | SC Cambuur U19 | SC Cambuur U19 |
| 07/2026 | | Nuur Mahamed Ahmed | FW |  | Amsterdamsche FC U19 | Amsterdamsche U19 |
| 07/2026 | | Noah Meijer | FW | | AZ Alkmaar U19 | Alkmaar U19 |
| 07/2026 | | Donny van der Lijcke | FW | | AZ Alkmaar U19 | Alkmaar U19 |