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Home > Insider Trading > Filing (0001140361-11-026004)

Filing Details

Accession Number:: 0001140361-11-026004
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-05-09 16:39:08
Reporting Period:: 2011-05-06

Filing Date:: 2011-05-09
Accepted Time:: 2011-05-09 16:39:08
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1262823	Westlake Chemical Corp	WLK	Industrial Organic Chemicals (2860)	760346924

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1298504	J George Mangieri	2801 Post Oak Blvd. Houston TX 77056	Vp & Chief Accounting Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-05-06	5,128	$14.24	30,883	No	4	M	Direct
Common Stock	Acquisiton	2011-05-06	2,307	$20.53	33,190	No	4	M	Direct
Common Stock	Disposition	2011-05-06	7,035	$60.26	26,155	No	4	S	Direct
Common Stock	Disposition	2011-05-06	400	$60.36	25,755	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

Show Other Fields >>

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Option (right to buy)	Acquisiton	2011-05-06	5,128	$0.00	5,128	$14.24
Common Stock	Employee Option (right to buy) (Common Stock)	Acquisiton	2011-05-06	2,307	$0.00	2,307	$20.53

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
5,128	2011-02-13	2019-02-13	No	4	A	Direct
4,616	2011-02-26	2020-02-26	No	4	A	Direct