[Form 3] ARMSTRONG WORLD INDUSTRIES INC Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Armstrong World Industries (AWI) reported an insider ownership update. A director filed a Form 3 with an event date of 10/22/2025, stating no securities are beneficially owned. The filing was made by an attorney-in-fact under a Power of Attorney. This is an administrative disclosure of insider status with no reported holdings or derivative positions.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

HOLLERAN KEVIN

(Last) (First) (Middle)

C/O ARMSTRONG WORLD INDUSTRIES, INC.

2500 COLUMBIA AVENUE

(Street)

LANCASTER PA 17603

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/22/2025

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

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

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

See Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Alan M. Kidd, Attorney-in-fact	10/23/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did AWI (AWI) file?

A Form 3, the initial statement of beneficial ownership by a director.

Does the reporting person own AWI securities?

The filing states no securities are beneficially owned.

What is the event date on the Form 3?

The event date is 10/22/2025.

What is the reporting person’s relationship to AWI?

The reporting person is a Director.

Was the Form 3 filed jointly?

No. It was filed by one reporting person.

Are there any derivative securities reported?

No derivative securities are reported on the form.

Who signed the form?

It was signed by Alan M. Kidd, Attorney-in-fact, citing a Power of Attorney.