Robert F. Buesinger - 22 Apr 2025 Form 4 Insider Report for WESTLAKE CORP (WLK)

Role: EVP, PEM Segment Head
Signature: Robert F. Buesinger by J Feng POA
Issuer symbol: WLK
Transactions as of: 22 Apr 2025
Net transactions value: +$1,717
Form type: 4
Filing time: 09 Jun 2025, 13:59:50 UTC
Previous filing: 15 Apr 2025
Next filing: 19 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Buesinger Robert F.	EVP, PEM Segment Head	2801 POST OAK BLVD., STE. 600, HOUSTON	Robert F. Buesinger by J Feng POA	09 Jun 2025	0001488587

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WLK	Common Stock	Purchase	$7,751	+83		$93.39	83	22 Apr 2025	by trust	F1
transaction	WLK	Common Stock	Sale	$6,034	-83	-100%	$72.70	0	27 May 2025	by trust	F1
holding	WLK	Common Stock						34,932	22 Apr 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares are held in a trust for the benefit of the reporting person and his family. The reporting person serves as co-trustee.The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.