BENDER MARK STEVEN

PrivateCIK: 1330417
Location

HOUSTON, TX

BENDER MARK STEVEN (EVP & CFO) exercised options at WESTLAKE CORP

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

M · 1 exercise
InsiderBENDER MARK STEVENCIK 1330417
IssuerWESTLAKE CORPCIK 1262823
Officer· EVP & CFO
Since Feb 2026
-5.28K
Net shares
Net seller
$514.3K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
13.16K acquired · 18.45K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+13.16K

Price / share

Trade value

% of position

47.0%
5/12/2026
28.02K41.18K

Common Stock

Direct
F · Tax Withholding

Shares

5.28K

Price / share

$97.34

Trade value

$514.34K

% of position

12.8%
5/13/2026
41.18K35.90K
Total

Net shares

+7.88K

Net value

-$514.34K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

13.16K shares

Shares

13.16K

Strike price

Held after

0.00

Exercisable

5/12/2026
BENDER MARK STEVEN — Insider Transaction (Form 4) Filed May 14, 2026 | Finecho