Albert Chao - Aug 11, 2021 Form 4 Insider Report for WESTLAKE CHEMICAL CORP (WLK)

Role: President & CEO, Director, 10%+ Owner
Signature: Albert Chao by J. Feng POA
Stock symbol: WLK
Transactions as of: Aug 11, 2021
Transactions value $: $258,630
Form type: 4
Date filed: 8/12/2021, 11:44 AM
Next filing: Dec 3, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WLK	Common Stock	Purchase	$259K	+3K	+0.68%	$86.21	442K	Aug 11, 2021	Direct
holding	WLK	Common Stock						93.4M	Aug 11, 2021	TTWF LP & TTWF GP LLC	F1

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

Explanation of Responses:

Id	Content
F1	93,405,554 shares of Issuer are held through TTWF LP, a Delaware limited partnership, and TTWF GP LLC, a Delaware limited liability company and the general partner of TTWF LP. Two trusts for the benefit of members of the Chao family, including the reporting person, are the managers of TTWFGP LLC. The limited partners of TTWF LP are five trusts, principally for the benefit of members of the Chao family, including the reporting person, and two corporations owned, indirectly or directly, by certain of these trusts and by other entities owned by members of the Chao family, including the reporting person. The reporting person shares investment and voting power with respect to the shares beneficially owned by TTWF LP and TTWFGP LLC. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

Content

93,405,554 shares of Issuer are held through TTWF LP, a Delaware limited partnership, and TTWF GP LLC, a Delaware limited liability company and the general partner of TTWF LP. Two trusts for the benefit of members of the Chao family, including the reporting person, are the managers of TTWFGP LLC. The limited partners of TTWF LP are five trusts, principally for the benefit of members of the Chao family, including the reporting person, and two corporations owned, indirectly or directly, by certain of these trusts and by other entities owned by members of the Chao family, including the reporting person. The reporting person shares investment and voting power with respect to the shares beneficially owned by TTWF LP and TTWFGP LLC. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.