Austin So - 27 Feb 2026 Form 4 Insider Report for ARMSTRONG WORLD INDUSTRIES INC (AWI)

Role
SVP, GC, Gov't. Rel., & CSO
Signature
/s/ Austin So
Issuer symbol
AWI
Transactions as of
27 Feb 2026
Net transactions value
+$248,799
Form type
4
Filing time
02 Mar 2026, 18:02:13 UTC
Previous filing
10 Apr 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
So Austin SVP, GC, Gov't. Rel., & CSO C/O ARMSTRONG WORLD INDUSTRIES, INC., 2500 COLUMBIA AVENUE, LANCASTER /s/ Austin So 02 Mar 2026 0001677343

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AWI Common Stock Options Exercise $450,232 +2,595 +34% $173.50 10,129 27 Feb 2026 Direct F1
transaction AWI Common Stock Tax liability $201,434 -1,161 -11% $173.50 8,968 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 -2,595 -100% 0 27 Feb 2026 Common Stock 2,595 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 2,595 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.