Mark A. Hershey - 08 Apr 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
08 Apr 2026
Net transactions value
$0
Form type
4
Filing time
10 Apr 2026, 16:49:39 UTC
Previous filing
02 Mar 2026

Key filing fact

Mark A. Hershey filed Form 4 for ARMSTRONG WORLD INDUSTRIES INC (AWI) on 10 Apr 2026.

Key facts

  • This page summarizes Mark A. Hershey's Form 4 filing for ARMSTRONG WORLD INDUSTRIES INC (AWI).
  • 3 reported transactions and 1 derivative row are listed below.
  • Filing timestamp: 10 Apr 2026, 16:49.

Change

  • Previous filing in this sequence was filed on 02 Mar 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

CIK 0001322386 Primary reporting owner

Hershey Mark A

Relationship
President & CEO
Address
C/O ARMSTRONG WORLD INDUSTRIES, INC., 2500 COLUMBIA AVENUE, LANCASTER
Signature
/s/ Alan M. Kidd, Attorney-in-fact
Signature date
10 Apr 2026

Transactions Table

AWI transaction

Common Stock

Options Exercise

Transaction value
Shares
+13,423
Change %
+23%
Price
$0.000000*
Shares after
70,616
Date
08 Apr 2026
Ownership
Direct
Footnotes
F1
AWI transaction

Common Stock

Tax liability

Transaction value
Shares
-5,839
Change %
-8.3%
Price
$172.77*
Shares after
64,777
Date
08 Apr 2026
Ownership
Direct
Footnotes
F2

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

AWI transaction Derivative

Performance Based Restricted Stock Units

Options Exercise

Transaction value
Shares
-13,423
Change %
-100%
Price
$0.000000*
Shares after
0
Date
08 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
13,423
Exercise price
Footnotes
F3, F4, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects the conversion of previously granted performance restricted stock units into shares of Issuer's common stock in connection with the earning and payment of the units based on underlying performance metrics.
F2 Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax obligations incurred upon the earning and payment of certain restricted stock units granted to the Reporting Person under the 2022 Equity and Cash Incentive Plan.
F3 Each performance restricted stock unit represents a contingent right to receive one share of Issuer's common stock.
F4 The performance restricted stock units were granted on March 1, 2023, under the 2022 Equity and Cash Incentive Plan of the Issuer. The performance period for the performance restricted stock units was January 1, 2023 to December 31, 2025, with the performance restricted stock units vesting at the conclusion of the performance period and earning and payment subject to achievement and certification of pre-established performance conditions. Achievement of the performance conditions was certified by the Management Development and Compensation Committee of the Board of Directors of the Issuer on April 8, 2026.
F5 Not applicable.
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