Materialise buy-back reaches 2.3% of shares

Materialise NV details recent weekly activity and cumulative progress under its EUR 30 million share buy-back program, now covering 2.3% of shares outstanding.

Rhea-AI Filing Summary

MATERIALISE NV (MTLS) reports progress on its ongoing share buy-back program of up to EUR 30 million, executed under a discretionary mandate to an independent financial intermediary. For the period from September 14–18, 2026, the company repurchased 32,161 shares at an average price of EUR 6.63, for a total of EUR 213,270.

Since the start of the program on January 26, 2026, Materialise has bought back 1,355,221 shares for EUR 6,958,976 (USD 8,102,813), representing 2.3% of total shares outstanding, all via the central order book on Nasdaq. Materialise currently holds 1,355,221 of its own shares.

Key Figures

Authorized buy-back size: EUR 30,000,000 Weekly shares repurchased: 32,161 shares Weekly consideration (EUR): EUR 213,270 +5 more

8 metrics

Authorized buy-back size EUR 30,000,000 Maximum amount under Materialise’s share buy-back program announced October 30, 2025

Weekly shares repurchased 32,161 shares Shares bought back from September 14–18, 2026

Weekly consideration (EUR) EUR 213,270 Total amount paid for shares repurchased September 14–18, 2026

Average weekly repurchase price EUR 6.63 per share Average price for shares repurchased September 14–18, 2026

Cumulative shares repurchased 1,355,221 shares Total shares bought back since January 26, 2026

Cumulative consideration (EUR) EUR 6,958,976 Total amount spent on buy-backs since January 26, 2026

Cumulative consideration (USD) USD 8,102,813 U.S. dollar equivalent of total buy-backs since January 26, 2026

Percentage of shares outstanding repurchased 2.3% Cumulative buy-backs since January 26, 2026 as a share of total shares outstanding

Key Terms

share buy-back program, discretionary mandate, independent financial intermediary, central order book, +1 more

5 terms

share buy-back program financial

"Materialise reports on the progress of its share buy-back program"

A share buy-back program is when a company uses cash (or borrows) to buy its own stock from the open market or shareholders, reducing the number of shares available to investors. For investors this matters because fewer shares can raise earnings per share and often support the stock price, while signaling that management believes the shares are a good use of cash—similar to a retailer buying back coupons so each remaining coupon becomes relatively more valuable.

discretionary mandate financial

"granted a discretionary mandate to an independent financial intermediary"

independent financial intermediary financial

"granted a discretionary mandate to an independent financial intermediary"

central order book financial

"32,161 shares were repurchased through the central order book"

Royal Decree of 29 April 2019 regulatory

"in accordance with Article 8:4 of the Royal Decree of 29 April 2019"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did MATERIALISE NV (MTLS) announce in this Form 6-K?

Materialise NV disclosed recent activity and cumulative results of its share buy-back program announced on October 30, 2025, including weekly repurchases from September 14–18, 2026 and total shares and amounts bought back since January 26, 2026.

How many MTLS shares were repurchased in the week of September 14–18, 2026?

During September 14–18, 2026, Materialise repurchased 32,161 shares on Nasdaq at an average price of EUR 6.63 per share, for a total consideration of EUR 213,270 (USD 245,771).

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

Under its current program, Materialise NV authorized repurchases of its shares for an amount of up to EUR 30 million, executed by an independent financial intermediary under a discretionary mandate.

How many MTLS shares has Materialise repurchased since the program began?

Since January 26, 2026, Materialise has repurchased 1,355,221 shares for a total of EUR 6,958,976 (USD 8,102,813) under the share buy-back program, corresponding to 2.3% of total shares outstanding.

How many of its own shares does Materialise NV currently hold?

Materialise currently holds 1,355,221 of its own shares, equal to the cumulative number of shares repurchased under the buy-back program as of this update.

On which market were the recent MTLS share repurchases executed?

All reported repurchases for the period September 14–18, 2026, totaling 32,161 shares, were executed via the central order book on Nasdaq, with no cross trades or block trades.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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 September 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 September 21, 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: September 21, 2026

Exhibit 99.1

 

MATERIALISE

SHARE-BUY BACK PROGRAM

Leuven – 21 September 2026 – 22h00 CET Regulated information¹

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

21 September 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 32,161 Materialise shares in the period from 14 September 2026 up to and including 18 September 2026. The shares were repurchased at an average price of 6.63 EUR per share for a total consideration of 213,270 EUR.

32,161 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)
14-Sep-2026			NASDAQ				10,021				66,093				76,344				6.60
15-Sep-2026			NASDAQ				9,818				64,923				74,914				6.61
16-Sep-2026			NASDAQ				4,890				32,435				37,420				6.63
17-Sep-2026			NASDAQ				-				-				-				-
18-Sep-2026			NASDAQ				7,432				49,820				57,093				6.70
Total of the week							32,161				213,270				245,771				6.63

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 1,355,221 shares for a total amount of 6,958,976 EUR (8,102,813 USD) under the share buy-back program. This corresponds to 2.3% of the total shares outstanding.

Materialise currently holds 1,355,221 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.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 22.6 KB