| Player | From | Fee | Date |
|---|---|---|---|
| Wiley Caleb | Free Agent | Free | 17.08.2026 |
| Goore Hyllarion | KAA Gent | 1.3M | 23.08.2026 |
| Player | To | Fee | Date |
|---|---|---|---|
| Vanaken Michy | Free Agent | Free | 03.08.2026 |
| Onana Axel | Waasland-Beveren | 170.0K | 08.08.2026 |
| Vanaken Youri | Standard Liege | 1.1M | 19.08.2026 |
| Nainggolan Dedryck | Charleroi | 340.0K | 24.08.2026 |
| Lukaku Nacer | Lokeren | 800.0K | 04.09.2026 |
| Chadli Simon | Newcastle United | 29.4M | 07.08.2026 |
| Alderweireld Laurent | Borussia Mönchengladbach | 11.5M | 07.08.2026 |
| Player | From | Date | End Date |
|---|---|---|---|
| Ali Maamar | Anderlecht | 08.08.2026 | 22.05.2027 |
| Julien Adam | Lokeren | 19.08.2026 | 22.05.2027 |
| Joane Gadou | Red Bull Salzburg | 20.08.2026 | 25.05.2027 |
| Takumu Kawamura | Red Bull Salzburg | 30.08.2026 | 25.05.2027 |
| Mats Seiler | Young Boys | 01.09.2026 | 25.05.2027 |
| Player | To | Date | End Date |
|---|---|---|---|
| Jason Mertens | Anderlecht | 09.08.2026 | 22.05.2027 |