Materialise (NASDAQ: MTLS) details latest share repurchases under EUR 30m buyback

Rhea-AI Filing Summary

Materialise NV reports progress on its previously announced share buy-back program of up to EUR 30 million. Between 16 and 20 February 2026, the company repurchased 69,861 shares at an average price of 4.76 EUR per share, for a total of 332,435 EUR.

All purchases during this week were executed on NASDAQ and no shares were bought via cross or block trades. Since the program started on 26 January 2026, Materialise has bought back 233,206 shares for 1,086,514 EUR (1,286,818 USD), equal to 0.4% of total shares outstanding.

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 February 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 February 23, 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: February 23, 2026

Exhibit 99.1

MATERIALISE

SHARE-BUY BACK PROGRAM

Leuven – 23 February 2026 – 22h00 CET Regulated information1

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

23 February 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 69,861 Materialise shares in the period from 16 February 2026 up to and including 20 February 2026. The shares were repurchased at an average price of 4.76 EUR per share for a total consideration of 332,435 EUR.

69,861 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)
16/Feb/2026		NASDAQ			-				-				-				-
17/Feb/2026		NASDAQ			15,403				71,489				84,542				4.64
18/Feb/2026		NASDAQ			8,752				40,480				47,949				4.63
19/Feb/2026		NASDAQ			15,606				76,148				89,497				4.88
20/Feb/2026		NASDAQ			30,100				144,317				169,818				4.79
Total of the week					69,861				332,435				391,807				4.76

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 233,206 shares for a total amount of 1,086,514 EUR (1,286,818 USD) under the share buy-back program. This corresponds to 0.4% of the total shares outstanding.

Materialise currently holds 233,206 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.

FAQ

What did Materialise (MTLS) announce about its share buyback this week?

Materialise reported buying back 69,861 shares between 16 and 20 February 2026. The shares were repurchased on NASDAQ at an average price of 4.76 EUR, for a total cash outlay of 332,435 EUR under its ongoing buy-back program.

How much has Materialise (MTLS) spent so far in its share buyback program?

Since the program began on 26 January 2026, Materialise has spent 1,086,514 EUR on buybacks. This corresponds to 1,286,818 USD and covers 233,206 shares, representing 0.4% of the company’s total shares outstanding at the time of this report.

What is the maximum size of Materialise’s (MTLS) current share buyback program?

Materialise’s current share buy-back program authorizes repurchases of up to EUR 30 million. The company granted a discretionary mandate to an independent financial intermediary to execute these buybacks, in line with Belgian corporate law and related regulatory requirements on share repurchases.

What percentage of Materialise (MTLS) shares have been repurchased so far?

Materialise has repurchased 233,206 shares since 26 January 2026, which represents 0.4% of its total shares outstanding. These repurchases form part of the broader EUR 30 million buy-back program the company announced on 30 October 2025.

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

The recent share repurchases by Materialise were all executed on NASDAQ. During 17–20 February 2026, daily transactions totaled 69,861 shares, with no shares bought through cross trades or block trades in this reported period.

Where can investors track ongoing updates to Materialise’s (MTLS) share buyback program?

Materialise provides an overview of its share buy-back program on its investor relations website at https://investors.materialise.com/. The company states that this overview, including buyback progress, will be updated on a weekly basis for transparency to shareholders.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 20.4 KB