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
-1.21K
Net shares
Net seller
$119.6K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
4.75K acquired · 5.96K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+4.75K

Price / share

Trade value

% of position

8.3%
2/17/2026
56.97K61.72K

Common Stock

Direct
F · Tax Withholding

Shares

1.21K

Price / share

$98.95

Trade value

$119.63K

% of position

2.0%
2/18/2026
61.72K60.51K
Total

Net shares

+3.54K

Net value

-$119.63K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

4.75K shares

Shares

4.75K

Strike price

Held after

0.00

Exercisable

2/17/2026
BENDER MARK STEVEN — Insider Transaction (Form 4) Filed Feb 19, 2026 | Finecho