Victor Grizzle - 25 Feb 2026 Form 4 Insider Report for ARMSTRONG WORLD INDUSTRIES INC (AWI)

Role: CEO, Director
Signature: /s/ Alan M. Kidd, Attorney-in-fact
Issuer symbol: AWI
Transactions as of: 25 Feb 2026
Net transactions value: +$1,080,101
Form type: 4
Filing time: 26 Feb 2026, 17:00:19 UTC
Previous filing: 16 Dec 2025
Next filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Grizzle Victor	CEO, Director	C/O ARMSTRONG WORLD INDUSTRIES, INC., 2500 COLUMBIA AVENUE, LANCASTER	/s/ Alan M. Kidd, Attorney-in-fact	26 Feb 2026	0001509566

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AWI	Restricted Stock Units	Award	$1,080,101	+6,272		$172.21	6,272	25 Feb 2026	Common Stock	6,272		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock under the Issuer's 2022 Equity and Cash Incentive Plan.
F2	The restricted stock units were granted to the Reporting Person on February 25, 2026 and will vest in full on the earlier of (i) February 25, 2029 (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan) and (ii) the Reporting Person's retirement, provided such retirement occurs on or after December 25, 2026, subject to the terms of the Issuer's 2022 Equity and Cash Incentive Plan.

Content

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock under the Issuer's 2022 Equity and Cash Incentive Plan.

The restricted stock units were granted to the Reporting Person on February 25, 2026 and will vest in full on the earlier of (i) February 25, 2029 (contingent upon the Reporting Person's employment with the Issuer on the scheduled vesting date, except as provided for under the Issuer's 2022 Equity and Cash Incentive Plan) and (ii) the Reporting Person's retirement, provided such retirement occurs on or after December 25, 2026, subject to the terms of the Issuer's 2022 Equity and Cash Incentive Plan.