Johnathan S. Zoeller - Feb 18, 2022 Form 4/A - Amendment Insider Report for WESTLAKE CORP (WLK)

Role: VP and CAO
Signature: Jonathan S. Zoeller by J. Feng POA
Stock symbol: WLK
Transactions as of: Feb 18, 2022
Transactions value $: -$8,414
Form type: 4/A - Amendment
Date filed: 3/15/2022, 04:00 PM
Date Of Original Report: Feb 18, 2022
Previous filing: Feb 17, 2022
Next filing: Mar 2, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WLK	Common Stock	Award	$0	+285	+32.72%	$0.00	1.16K	Feb 18, 2022	Direct	F1
transaction	WLK	Common Stock	Tax liability	-$8.41K	-71	-6.14%	$118.51	1.09K	Mar 14, 2022	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Due to a rounding error, discovered on March 15, 2022, the original Form 4 filed on behalf of the Reporting Person on February 18, 2022 (the 'Original Form 4') reported the vesting of 286 shares of common stock. This Form 4/A amends that filing to reflect a vesting of 285 shares of common stock. As previously reported, these shares of common stock vested upon the determination by the Compensation Committee of the Issuer's Board of Directors of the satisfaction of performance criteria underlying an award of performance stock units granted to the Reporting Person on February 15, 2019 under the terms of the Issuer's 2013 Omnibus Incentive Plan.
F2	The Original Form 4 is further amended to disclose that 71 shares of common stock were sold to cover tax withholding obligations arising from the award. 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 4A is in addition to, and does not replace, the disclosure contained in the Original Form 4.

Content

Due to a rounding error, discovered on March 15, 2022, the original Form 4 filed on behalf of the Reporting Person on February 18, 2022 (the 'Original Form 4') reported the vesting of 286 shares of common stock. This Form 4/A amends that filing to reflect a vesting of 285 shares of common stock. As previously reported, these shares of common stock vested upon the determination by the Compensation Committee of the Issuer's Board of Directors of the satisfaction of performance criteria underlying an award of performance stock units granted to the Reporting Person on February 15, 2019 under the terms of the Issuer's 2013 Omnibus Incentive Plan.

The Original Form 4 is further amended to disclose that 71 shares of common stock were sold to cover tax withholding obligations arising from the award. 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 4A is in addition to, and does not replace, the disclosure contained in the Original Form 4.