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
-4.45K
Net shares
Net seller
$495.8K
Total sold
0
Open market trades
0B · 0S
5
Total transactions
13.99K acquired · 18.43K disposed
Non-Derivative Transactions4

Common Stock

Direct
M · Option Exercise

Shares

+13.99K

Price / share

Trade value

% of position

33.2%
2/18/2025
42.14K56.13K

Common Stock

Direct
F · Tax Withholding

Shares

4.26K

Price / share

$111.46

Trade value

$475.27K

% of position

7.6%
2/19/2025
56.13K51.86K

Common Stock

Direct
F · Tax Withholding

Shares

50.00

Price / share

$112.46

Trade value

$5.62K

% of position

0.1%
2/19/2025
51.86K51.81K

Common Stock

Direct
F · Tax Withholding

Shares

132.00

Price / share

$112.76

Trade value

$14.88K

% of position

0.3%
2/19/2025
51.81K51.68K
Total

Net shares

+9.54K

Net value

-$495.77K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

13.99K shares

Shares

13.99K

Strike price

Held after

0.00

Exercisable

2/18/2025
BENDER MARK STEVEN — Insider Transaction (Form 4) Filed Feb 20, 2025 | Finecho