AWI (NYSE: AWI) CFO logs RSU vesting and 1,077-share tax withholding

Rhea-AI Filing Summary

Armstrong World Industries SVP & CFO Christopher P. Calzaretta reported equity award activity involving restricted stock units and common shares. On February 27, 2026, 2,408 restricted stock units converted into 2,408 shares of common stock on a one-for-one basis at a stated price of $173.50 per share.

These units were originally granted on March 1, 2023 and vested on the third anniversary under the company’s 2022 Equity and Cash Incentive Plan. To cover related tax obligations from this vesting, 1,077 common shares were withheld, leaving Calzaretta with 6,022 common shares held directly after the transactions.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Calzaretta Christopher P.

(Last) (First) (Middle)

C/O ARMSTRONG WORLD INDUSTRIES, INC.

2500 COLUMBIA AVENUE

(Street)

LANCASTER PA 17603

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ARMSTRONG WORLD INDUSTRIES INC [ AWI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & CFO

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/27/2026		M		2,408	A	$173.5(1)	7,099	D
Common Stock	02/27/2026		F		1,077(2)	D	$173.5	6,022	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	02/27/2026		M			2,408	(3)	(3)	Common Stock	2,408	(4)	0	D

Explanation of Responses:

1. Restricted Stock Units convert into common stock on a one-for-one basis.

2. Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the vesting of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.

3. On March 1, 2023, the Reporting Person was granted 2,408 Restricted Stock Units, which vest on the third anniversary of the grant (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).

4. Price of Derivative Security is $0.

	/s/ Alan M. Kidd, Attorney-in-fact	03/02/2026
	** Signature of Reporting Person	Date
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FAQ

What insider transactions did AWI CFO Christopher Calzaretta report on this Form 4?

Christopher Calzaretta reported vesting of 2,408 restricted stock units that converted into 2,408 Armstrong World Industries common shares. He also reported 1,077 shares withheld by the company to satisfy tax obligations tied to this vesting event under the 2022 equity plan.

How many Armstrong World Industries (AWI) RSUs vested for the CFO?

A total of 2,408 restricted stock units vested for the CFO, converting into 2,408 common shares on a one-for-one basis. These RSUs were granted on March 1, 2023 and vested on the third anniversary under Armstrong’s 2022 Equity and Cash Incentive Plan.

Were any AWI shares sold by the CFO in this Form 4 filing?

The filing shows no open-market share sales by the CFO. Instead, 1,077 common shares were withheld by Armstrong World Industries to satisfy tax liabilities resulting from the RSU vesting, which is recorded under transaction code “F” for tax-withholding disposition.

What is the reported share price used in the AWI CFO’s Form 4 transactions?

The common stock transactions reflect a share price of $173.50. This price is used for both the RSU conversion into common stock and the 1,077-share tax withholding, while the derivative restricted stock units themselves are reported with a price of $0 in the filing.

How many AWI shares does the CFO own after these Form 4 transactions?

After the reported RSU vesting and tax withholding, Christopher Calzaretta directly holds 6,022 shares of Armstrong World Industries common stock. This reflects the 2,408 shares received from RSU conversion, less 1,077 shares withheld to cover associated tax obligations on the vesting event.

What AWI equity plan governs the CFO’s restricted stock units in this filing?

The restricted stock units are granted under Armstrong World Industries’ 2022 Equity and Cash Incentive Plan. The filing notes that the 2,408 RSUs granted on March 1, 2023 vest on the third anniversary, contingent on continued employment, subject to provisions of this plan.