Thomas J. Janssens - 17 Feb 2023 Form 4/A - Amendment Insider Report for WESTLAKE CORP (WLK)

Role: SVP, Ops - PEM & Corp Logistic
Signature: Thomas J. Janssens by J. Feng POA
Issuer symbol: WLK
Transactions as of: 17 Feb 2023
Net transactions value: -$101,474
Form type: 4/A - Amendment
Filing time: 15 Mar 2023, 15:21:29 UTC
Date Of Original Report: 17 Feb 2023
Previous filing: 16 Feb 2023
Next filing: 16 May 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WLK	Common Stock	Award	$0	+3,086	+42%	$0.000000	10,503	17 Feb 2023	Direct
transaction	WLK	Common Stock	Tax liability	$96,287	-923	-8.8%	$104.32	9,580	13 Mar 2023	Direct	F1
transaction	WLK	Common Stock	Tax liability	$5,187	-49	-0.51%	$105.86	9,531	13 Mar 2023	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The original Form 4 filed by the Reporting Person on February 17, 2023 is amended by this Form 4 Amendment to disclose that 972 shares of common stock were sold to cover tax withholding obligations arising from the award reported in the original Form 4. The original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing. This Form 4 Amendment is in addition to, and does not replace, the disclosure contained in the original Form 4.

Content

The original Form 4 filed by the Reporting Person on February 17, 2023 is amended by this Form 4 Amendment to disclose that 972 shares of common stock were sold to cover tax withholding obligations arising from the award reported in the original Form 4. The original Form 4 did not report the sale to cover tax withholding obligations because the number of shares to be sold was not known at the time of filing. This Form 4 Amendment is in addition to, and does not replace, the disclosure contained in the original Form 4.