Steven Bender - Nov 5, 2021 Form 4 Insider Report for WESTLAKE CHEMICAL CORP (WLK)

Role: EVP and CFO, Director
Signature: M. Steven Bender by J. Feng POA
Stock symbol: WLK
Transactions as of: Nov 5, 2021
Transactions value $: -$627,947
Form type: 4
Date filed: 11/8/2021, 11:27 AM
Previous filing: Aug 16, 2021
Next filing: Nov 10, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WLK	Common Stock	Sale	-$628K	-6.36K	-20.25%	$98.80	25K	Nov 5, 2021	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $98.71 to $98.84, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $98.71 to $98.84, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.