MTLS 6-K
Materialise NV (MTLS)
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATEISSUER
PURSUANT TO RULE 13a-16OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934
For the month of April 2026
Commission File Number: 001-36515
Materialise NV
Technologielaan 15
3001 Leuven
Belgium
(Address of principal executive office)
Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F x Form 40-F ¨
On April 23, 2025, Materialise NV published its annual report in accordance with Belgian law for the year ended December 31, 2025, a copy of which is attached hereto as Exhibit 99.1.
EXHIBIT INDEX
| Exhibit | Description |
|---|---|
| 99.1 | Annual Report of Materialise NV<br>for the fiscal year ended 31 December 2025. |
| --- | --- |
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
| MATERIALISE NV | |
|---|---|
| By: | /s/ Brigitte de Vet-Veithen |
| Name: | Brigitte de Vet-Veithen |
| De Vet Management BV | |
| Title: | Chief Executive Officer |
Date: April 23, 2026