Materialise (NASDAQ: MTLS) details weekly 79,791-share buyback

Rhea-AI Filing Summary

Materialise NV reports progress on its previously announced share buy-back program of up to EUR 30 million. During the week from 23 to 27 February 2026, the company repurchased 79,791 shares at an average price of 4.30 EUR, for a total of 342,715 EUR.

Since the program began on 26 January 2026, Materialise has bought back 312,997 shares for 1,429,229 EUR (approximately 1,705,609 USD), representing about 0.5% of its total shares outstanding, which the company now holds as treasury shares.

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 March 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 March 2, 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: March 2, 2026

Exhibit 99.1

MATERIALISE

SHARE-BUY BACK PROGRAM

Leuven – 2 March 2026 – 22h00 CET Regulated information¹

Materialise reports on the progress of its share buy-back program announced on 30 October 2025.

2 March 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 79,791 Materialise shares in the period from 23 February 2026 up to and including 27 February 2026. The shares were repurchased at an average price of 4.30 EUR per share for a total consideration of 342,715 EUR.

79,791 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)
23-Feb-2026	NASDAQ	26,413	118,811	140,007	4.50
24-Feb-2026	NASDAQ	8,306	24,683	43,879	2.97
25-Feb-2026	NASDAQ	33,400	147,188	173,446	4.41
26-Feb-2026	NASDAQ	8,485	38,052	44,954	4.48
27-Feb-2026	NASDAQ	3,187	13,981	16,504	4.39
Total of the week		79,791	342,715	418,791	4.30

No shares were repurchased through cross trades or block trades.

Since the start of the share buy-back program on the 26^th of January 2026, Materialise has bought back 312,997 shares for a total amount of 1,429,229 EUR (1,705,609 USD) under the share buy-back program. This corresponds to 0.5% of the total shares outstanding.

Materialise currently holds 312,997 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.

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.

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.

FAQ

What did Materialise NV (MTLS) report in its March 2026 Form 6-K?

Materialise NV reported an update on its ongoing share buy-back program. It disclosed the number of shares repurchased, the average prices paid during 23–27 February 2026, and the cumulative totals since the program started on 26 January 2026.

How many Materialise (MTLS) shares were repurchased in the latest week?

Materialise repurchased 79,791 shares during the period from 23 to 27 February 2026. These shares were bought on Nasdaq at an average price of 4.30 EUR per share, for a total consideration of 342,715 EUR, executed through the central order book.

What are the cumulative results of Materialise NV’s share buyback so far?

Since 26 January 2026, Materialise has bought back 312,997 shares. The total amount spent under the program is 1,429,229 EUR, equivalent to about 1,705,609 USD, and these repurchased shares correspond to roughly 0.5% of the company’s total shares outstanding.

What is the total size of Materialise’s share buy-back program?

Materialise’s share buy-back program authorizes repurchases of its shares for an amount of up to 30 million EUR. The company has granted a discretionary mandate to an independent financial intermediary to execute the buybacks within this overall monetary limit.

On which exchange did Materialise (MTLS) execute the recent buybacks?

The recent repurchases were all executed on the Nasdaq exchange through the central order book. No shares were repurchased via cross trades or block trades during the 23–27 February 2026 period covered in the company’s latest update.

What percentage of its shares has Materialise NV repurchased to date?

Materialise has repurchased shares equivalent to about 0.5% of its total shares outstanding. This percentage reflects 312,997 shares bought back since 26 January 2026 under the program, which are currently held by the company as its own shares.

Where can investors find ongoing updates on Materialise’s share buy-back?

Materialise provides an overview of its share buy-back program on its investor relations website, https://investors.materialise.com/. The company states that this overview will be updated on a weekly basis with new repurchase data as the program progresses.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 18.2 KB