Mark A. Hershey - 27 Feb 2026 Form 4 Insider Report for ARMSTRONG WORLD INDUSTRIES INC (AWI)

Signature
/s/ Alan M. Kidd, Attorney-in-fact
Issuer symbol
AWI
Transactions as of
27 Feb 2026
Net transactions value
+$384,476
Form type
4
Filing time
02 Mar 2026, 18:14:23 UTC
Previous filing
26 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hershey Mark A SVP & Chief Operating Officer C/O ARMSTRONG WORLD INDUSTRIES, INC., 2500 COLUMBIA AVENUE, LANCASTER /s/ Alan M. Kidd, Attorney-in-fact 02 Mar 2026 0001322386

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AWI Common Stock Options Exercise $612,802 +3,532 +6.4% $173.50 58,509 27 Feb 2026 Direct F1
transaction AWI Common Stock Tax liability $228,326 -1,316 -2.2% $173.50 57,193 27 Feb 2026 Direct F2

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 Options Exercise -3,532 -100% 0 27 Feb 2026 Common Stock 3,532 Direct F1, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted Stock Units convert into common stock on a one-for-one basis.
F2 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.
F3 On March 1, 2023, the Reporting Person was granted 3,532 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).
F4 Price of Derivative Security is $0.