[6-K] MATERIALISE NV Current Report (Foreign Issuer)
Rhea-AI Filing Summary
Materialise NV reports progress on its ongoing share buy-back program of up to EUR 30 million. Between 13 and 17 April 2026, the company repurchased 31,054 shares at an average price of EUR 4.45, for a total of EUR 138,089, via Nasdaq.
Since the program began on 26 January 2026, Materialise has bought back 576,583 shares for EUR 2,593,856 (USD 3,055,313), equal to about 1% of total shares outstanding. All repurchases were executed through the central order book, with no cross or block trades.
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 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 ¨
Attached as Exhibit 99.1 hereto is a copy of a press release regarding Materialise NV’s ADS Buyback Program.
EXHIBIT INDEX
| Exhibit | Description | |
| 99.1 | Press Release dated April 20, 2026 |
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 20, 2026
Exhibit 99.1
MATERIALISE
SHARE-BUY BACK PROGRAM
| Leuven – 20 April 2026 – 22h00 CET | Regulated information1 |
Materialise reports on the progress of its share buy-back program announced on 30 October 2025.
20 April 2026 – Materialise NV (Euronext: MTLS) (Nasdaq: MTLS) (“Materialise”) (“the Company”) hereby discloses certain information in relation to its share buyback program announced on 30 October 2025, in accordance with Article 8:4 of the Royal Decree of 29 April 2019 implementing the Belgian Code on Companies and Associations. Under this program, Materialise has granted a discretionary mandate to an independent financial intermediary to repurchase Materialise shares for an amount of up to EUR 30 million.
Materialise reports the purchase of 31,054 Materialise shares in the period from 13 April 2026 up to and including 17 April 2026. The shares were repurchased at an average price of 4.45 EUR per share for a total consideration of 138,089 EUR.
31,054 shares were repurchased through the central order book of the following exchanges:
| Date of repurchase |
Exchange | Number of shares |
Total amount (EUR) |
Total amount (USD) |
Average price (EUR) |
| 13/apr/2026 | NASDAQ | 10,821 | 47,503 | 55,502 | 4.39 |
| 14/apr/2026 | NASDAQ | 4,282 | 18,942 | 22,339 | 4.42 |
| 15/apr/2026 | NASDAQ | 2,020 | 8,950 | 10,543 | 4.43 |
| 16/apr/2026 | NASDAQ | 13,931 | 62,694 | 73,866 | 4.50 |
| 17/apr/2026 | NASDAQ | - | - | - | - |
| Total of the week | 31,054 | 138,089 | 162,250 | 4.45 |
No shares were repurchased through cross trades or block trades.
Since the start of the share buy-back program on the 26th of January 2026, Materialise has bought back 576,583 shares for a total amount of 2,593,856 EUR (3,055,313 USD) under the share buy-back program. This corresponds to 1% of the total shares outstanding.
Materialise currently holds 576,583 of its own shares.
The overview relating to the share buy-back program is available on https://investors.materialise.com/ and will be updated on a weekly basis.
About Materialise
Materialise incorporates more than three decades of 3D printing experience into a range of software solutions and 3D printing services that empower sustainable 3D printing applications. Our open, secure, and flexible end-to-end solutions enable industrial manufacturing and mass personalization in various industries — including healthcare, automotive, aerospace, eyewear, art and design, wearables, and consumer goods. Headquartered in Belgium and with branches worldwide, Materialise combines the largest group of software developers in the industry with one of the world's largest and most complete 3D printing facilities.
1 The enclosed information constitutes regulated information as defined in the Belgian Royal Decree of 14 November 2007 regarding the duties of issuers of financial instruments which have been admitted for trading on a regulated market.