Thomas J. Janssens - Feb 17, 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
Stock symbol: WLK
Transactions as of: Feb 17, 2023
Transactions value $: -$101,475
Form type: 4/A - Amendment
Date filed: 3/15/2023, 03:21 PM
Date Of Original Report: Feb 17, 2023
Previous filing: Feb 16, 2023
Next filing: May 16, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WLK	Common Stock	Award	$0	+3.09K	+41.61%	$0.00	10.5K	Feb 17, 2023	Direct
transaction	WLK	Common Stock	Tax liability	-$96.3K	-923	-8.79%	$104.32	9.58K	Mar 13, 2023	Direct	F1
transaction	WLK	Common Stock	Tax liability	-$5.19K	-49	-0.51%	$105.86	9.53K	Mar 13, 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.