Materialise to restart share buybacks Aug. 31, 2026

Materialise NV (MTLS) announced that its share buyback program will restart with effect from 31 August 2026, following the end of a closed period and renewal of the underlying authorization.

Rhea-AI Filing Summary

Materialise NV (MTLS) announced that its share buyback program will restart with effect from 31 August 2026, following the end of a closed period and renewal of the underlying authorization. The company plans to resume repurchasing shares under this renewed authorization in line with applicable legal and regulatory requirements.

Materialise will again publish weekly reports of buyback transactions on its investor website. The company emphasizes that this announcement does not create any obligation to repurchase shares in a specific amount, at a particular price, or over any period, and it may suspend, modify, or discontinue the program at any time, subject to market conditions and regulations.

Key Figures

Buyback restart effective date: 31 August 2026 Press release date: 28 August 2026 Form type: Form 6-K

3 metrics

Buyback restart effective date 31 August 2026 Date on which Materialise will restart its share buyback program

Press release date 28 August 2026 Date of the press release announcing the restart of the buyback

Form type Form 6-K Report of foreign private issuer under the Securities Exchange Act of 1934

Key Terms

share buyback program, closed period, authorization, weekly reports, +1 more

5 terms

share buyback program financial

"today announces that the share buyback program will restart"

A share buyback program is when a company uses its cash to repurchase its own outstanding shares from the market, reducing the number of shares available to investors. That matters because it can raise the value of remaining shares and signal management's confidence in the business—similar to a bakery buying back unsold loafs to make each remaining loaf represent a larger share of its oven’s output—though buybacks can also affect cash available for other uses.

closed period financial

"The closed period that prevented the renewal of the authorization"

authorization financial

"the renewal of the authorization underlying the program has now ended"

Authorization is a formal permission granted by an authority—such as a regulator, board of directors, or government—to carry out a specific activity, sell a product, or use funds. For investors, authorization matters because it often unlocks a company’s ability to generate revenue, launch products, or execute transactions; think of it like a license or green light that reduces uncertainty and can materially change a company’s prospects.

weekly reports financial

"resume publishing weekly reports of the transactions carried out"

foreign private issuer regulatory

"REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

FAQ

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

What did Materialise NV (MTLS) announce regarding its share buyback program?

Materialise NV announced that its share buyback program will restart on 31 August 2026 after the end of a closed period and renewal of the authorization. Share repurchases will follow the renewed authorization and all applicable legal and regulatory requirements.

When will Materialise NV (MTLS) resume its share repurchases?

Materialise NV will resume share repurchases under its buyback program with effect from 31 August 2026, following renewal of the program’s authorization after the closed period ended.

Is Materialise NV (MTLS) obligated to repurchase a specific number of shares?

No. Materialise states that the announcement does not constitute an obligation to repurchase shares in any particular amount, at any particular price, or over any particular period, and the company may change or discontinue the program.

Where will Materialise NV (MTLS) publish updates on the buyback program?

Materialise will publish weekly reports of transactions under the share buyback program on its investor website at https://investors.materialise.com/, and this overview will be updated on a weekly basis.

Under what conditions can Materialise NV (MTLS) change its buyback program?

Materialise states that the conduct of the buyback program will depend on market conditions and applicable legal and regulatory requirements, and that it may suspend, modify or discontinue the program at any time.

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

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Available on EDGAR 08/28/2026 - 04:01 PM EDT Accepted by SEC EDGAR 08/28/2026 - 04:01 PM EDT Learn about SEC filing dates

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 August 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 August 28, 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: August 28, 2026

Exhibit 99.1

MATERIALISE

SHARE-BUY BACK PROGRAM

Leuven – 28 August 2026 – 22:00 CET Regulated information¹

28 August 2026 – Materialise NV (Euronext: MTLS) (Nasdaq: MTLS) (“Materialise”) (“the Company”) today announces that the share buyback program will restart with effect from Monday, 31 August 2026.

The closed period that prevented the renewal of the authorization underlying the program has now ended, and the authorization has been renewed accordingly. As a result, the Company will resume conducting share repurchases under the program as of 31 August 2026.

The share repurchases will be conducted in accordance with the renewed authorization and subject to compliance with all applicable legal and regulatory requirements. The Company will resume publishing weekly reports of the transactions carried out under the program on its website.

This announcement does not constitute an obligation to repurchase shares in any particular amount, at any particular price, or over any particular period. The conduct of the program will remain subject to market conditions and applicable legal and regulatory requirements, and the Company may suspend, modify or discontinue the program at any time.

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.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 5.5 KB