HERSHEY MARK A

PrivateCIK: 1322386
Location

LANCASTER, PA

HERSHEY MARK A (SVP & Chief Operating Officer) exercised options at ARMSTRONG WORLD INDUSTRIES INC

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderHERSHEY MARK ACIK 1322386
Officer· SVP & Chief Operating Officer
Since Feb 2026
-5.84K
Net shares
Net seller
$1.01M
Total sold
0
Open market trades
0B · 0S
3
Total transactions
13.42K acquired · 19.26K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+13.42K

Price / share

Trade value

% of position

23.5%
4/8/2026
57.19K70.62K

Common Stock

Direct
F · Tax Withholding

Shares

5.84K

Price / share

$172.77

Trade value

$1.01M

% of position

8.3%
4/8/2026
70.62K64.78K
Total

Net shares

+7.58K

Net value

-$1.01M

Derivative Transactions1

Performance Based Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

13.42K shares

Shares

13.42K

Strike price

Held after

0.00

Exercisable

4/8/2026