Brian John Powers - 02 Apr 2026 Form 4 Insider Report for WESTLAKE CORP (WLK)

Reporting relationship: SVP, PEM Segment Head
Issuer ticker: WLK
Reported as of: 02 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 Apr 2026, 08:02:33 UTC
Source filing: View source filing
Reporting owner signature: Brian J. Powers, by J. Feng POA

Filing notes and source

Key filing fact

Brian John Powers filed Form 4 for WESTLAKE CORP (WLK) on 06 Apr 2026.

Key facts

This page summarizes Brian John Powers's Form 4 filing for WESTLAKE CORP (WLK).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 06 Apr 2026, 08:02.

Change

No earlier filing in this sequence is available for direct comparison.
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.

View source filing

Reporting Owners (1)

CIK 0002126961 Primary reporting owner

Powers Brian John

Relationship: SVP, PEM Segment Head
Address: 2801 POST OAK BLVD., SUITE 600, HOUSTON
Signature: Brian J. Powers, by J. Feng POA
Signature date: 06 Apr 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WLK transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +1,961
Change %
Price: $0.000000^*
Shares after: 1,961
Date: 02 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,961
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each restricted stock unit ("RSU") represents a contingent right to recieve one share of the Issuer's common stock.

Footnote F2

All of the RSUs will vest on April 2, 2029.

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