Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2026 |  | Jaydion Polonius | FW |  | Sparta Rotterdam U19 | Sparta U19 |
| 09/2026 | | Sabri Marfouk | DF | | Sparta Rotterdam U19 | Sparta U19 |
| 09/2026 | | Pascal Kuiper | GK |  | Sparta Rotterdam | Sp. Rotterdam |
| 09/2026 | | Eldon Esievo | MF |  | Sparta Rotterdam U17 | U17 |
| 09/2026 | | Dylan Groenenboom | FW | | Sparta Rotterdam U19 | Sparta U19 |
| 09/2026 | | Geatan Trenidad | FW | | Sparta Rotterdam U19 | Sparta U19 |
| 08/2026 | | Thaliro Hitipeuw | GK | | Sparta Rotterdam U19 | Sparta U19 |
| 08/2026 | | Diyae Jermoumi | DF | |||
| 07/2026 | | Djomar Giersthove | DF |  | Feyenoord U21 | U21 |
| 07/2026 | | Shedrach Ebite | FW |  | FC Utrecht (J) | FC Utrecht (J) |
| 07/2026 | | Rik Verhage | AS-CO | |||
| 07/2026 | | Brent Leerdam | DF | | Sparta Rotterdam U19 | Sparta U19 |
| 07/2026 | | Jorn Triep | MF |  | VVV-Venlo | VVV |
| 07/2026 |  | Nourdin Boukhari | MA |  | Almere City FC | Almere City FC |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2026 | | Younes Jaber El Meftahi | MF |  | FC Volendam | FC Volendam |
| 08/2026 | | Jorn Triep | MF |  | De Graafschap | De Graafs. |
| 07/2026 | | Alvaro Henry | DF |  | TOP Oss | TOP Oss |
| 07/2026 | | Jaïr Haakmat | DF | | FC Volendam | FC Volendam |
| 07/2026 | | Jedemy Laveist | DF |  | FC Dordrecht U21 | U21 |
| 07/2026 | | Olivier van Zijl | DF |  | SBV Excelsior U21 | U21 |
| 07/2026 | | Jaden de Guzmán | MF |  | Jong PSV | Jong PSV |
| 07/2026 | | Wax Janssen | MF | | Sparta Rotterdam U19 | Sparta U19 |
| 07/2026 |  | Quincy Hoeve | FW |  | Piteå IF | Piteå IF |
| 07/2026 | | Andy Visser | FW |  | MSV Duisburg | Duisburg |
| 07/2026 | | Jeff Stans | MA | | Sparta Rotterdam | Sp. Rotterdam |
| 07/2026 | | Adil Auassar | AS-CO | | Sparta Rotterdam U19 | Sparta U19 |
| 07/2026 | | Pim van den Berg | G-AN | | Sparta Rotterdam | Sp. Rotterdam |