Armstrong (NYSE: AWI) completes Geometrik acquisition

Rhea-AI Filing Summary

Armstrong World Industries, Inc. completed the acquisition of Geometrik Manufacturing Inc. on September 18, 2025. Geometrik is headquartered in Kelowna, British Columbia.

Geometrik is described as a leading Canadian designer and manufacturer of wood acoustical ceiling and wall systems made from multiple wood species, including Western Hemlock. This deal expands Armstrong’s portfolio in specialty wood acoustical products.

8-K Event Classification

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 18, 2025

ARMSTRONG WORLD INDUSTRIES, INC.

(Exact name of registrant as specified in its charter)

Pennsylvania		1-2116		23-0366390
(State or other jurisdiction of incorporation or organization)		(Commission File Number)		(IRS Employer Identification No.)
2500 Columbia Avenue P.O. Box 3001 Lancaster, Pennsylvania				17603
(Address of principal executive offices)				(Zip Code)

Registrant’s telephone number, including area code: (717) 397-0611

NA

(Former name or former address if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, $0.01 par value per share		AWI		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻

Section 8 – Other Events

Item 8.01. Other Events

On September 18, 2025, Armstrong World Industries, Inc. ("AWI," or the "Company") issued a press release announcing it has completed the acquisition of Geometrik Manufacturing Inc. headquartered in Kelowna, British Columbia ("Geometrik"). Geometrik is a leading Canadian designer and manufacturer of wood acoustical ceiling and wall systems made from multiple wood species, including Western Hemlock.

A copy of the press release is attached as Exhibit 99.1 hereto and incorporated herein by reference.

Section 9 – Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

No. 99.1   No. 104 Press Release of Armstrong World Industries, Inc. dated September 18, 2025   Cover Page Interactive Data File (embedded within the Inline XBRL document)

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SIGNATURES

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 hereunto duly authorized.

ARMSTRONG WORLD INDUSTRIES, INC.
By:		/s/ Austin K. So
		Austin K. So
		SVP General Counsel, Head of Government Relations & Chief Sustainability Officer

Date: September 18, 2025

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FAQ

What transaction did Armstrong World Industries (AWI) report in this 8-K?

Armstrong World Industries reported that it has completed the acquisition of Geometrik Manufacturing Inc. as of September 18, 2025.

Who is Geometrik Manufacturing Inc. acquired by AWI?

Geometrik Manufacturing Inc. is a Canadian designer and manufacturer of wood acoustical ceiling and wall systems, headquartered in Kelowna, British Columbia.

What products does Geometrik contribute to Armstrong World Industries (AWI)?

Geometrik produces wood acoustical ceiling and wall systems using multiple wood species, including Western Hemlock, which broadens AWI’s wood acoustical offerings.

When did Armstrong World Industries complete the Geometrik acquisition?

Armstrong World Industries completed the acquisition of Geometrik on September 18, 2025, which is the date of the reported event.

Where is the acquired company Geometrik based?

Geometrik is headquartered in Kelowna, British Columbia, and is described as a leading Canadian provider of wood acoustical ceiling and wall systems.

Did Armstrong World Industries provide more details about the Geometrik acquisition?

The company noted that additional information is provided in a press release attached as Exhibit 99.1, which is incorporated by reference.