Home > Insider Trading > Filing (0001140361-12-035875)

Filing Details

Accession Number:: 0001140361-12-035875
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2012-08-08 18:58:11
Reporting Period:: 2012-08-06

Filing Date:: 2012-08-08
Accepted Time:: 2012-08-08 18:58:11
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
1298632	R David Hansen	2801 Post Oak Blvd Houston TX 77056	Sr Vp Adminstration	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
Common Stock	Acquisiton	2012-08-06	11,518	$31.61	37,364	No	4	M	Direct
Common Stock	Acquisiton	2012-08-06	2,979	$20.53	40,343	No	4	M	Direct
Common Stock	Disposition	2012-08-06	400	$67.01	39,943	No	4	S	Direct
Common Stock	Disposition	2012-08-06	200	$67.02	39,743	No	4	S	Direct
Common Stock	Disposition	2012-08-06	2,000	$67.03	37,743	No	4	S	Direct
Common Stock	Disposition	2012-08-06	300	$67.04	37,443	No	4	S	Direct
Common Stock	Disposition	2012-08-06	800	$67.05	36,643	No	4	S	Direct
Common Stock	Disposition	2012-08-06	200	$67.06	36,443	No	4	S	Direct
Common Stock	Disposition	2012-08-06	1,000	$67.07	35,443	No	4	S	Direct
Common Stock	Disposition	2012-08-06	9,845	$67.08	25,598	No	4	S	Direct
Common Stock	Disposition	2012-08-06	300	$67.08	25,298	No	4	S	Direct
Common Stock	Disposition	2012-08-06	1,445	$67.08	23,853	No	4	S	Direct
Common Stock	Disposition	2012-08-06	200	$67.10	23,653	No	4	S	Direct
Common Stock	Disposition	2012-08-06	350	$67.11	23,303	No	4	S	Direct
Common Stock	Disposition	2012-08-06	600	$67.12	22,703	No	4	S	Direct
Common Stock	Disposition	2012-08-06	1,350	$67.13	21,353	No	4	S	Direct
Common Stock	Disposition	2012-08-06	300	$67.14	21,053	No	4	S	Direct
Common Stock	Disposition	2012-08-06	100	$67.15	20,953	No	4	S	Direct
Common Stock	Disposition	2012-08-06	200	$67.16	20,753	No	4	S	Direct
Common Stock	Disposition	2012-08-06	100	$67.17	20,653	No	4	S	Direct
Common Stock	Disposition	2012-08-06	10,458	$67.20	10,195	No	4	S	Direct
Common Stock	Disposition	2012-08-06	2,300	$67.21	7,895	No	4	S	Direct
Common Stock	Disposition	2012-08-06	939	$67.22	6,956	No	4	S	Direct
Common Stock	Disposition	2012-08-06	500	$500.00	6,456	No	4	S	Direct
Common Stock	Disposition	2012-08-06	200	$67.24	6,256	No	4	S	Direct
Common Stock	Disposition	2012-08-06	100	$67.26	6,156	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	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	2012-08-06	11,518	$0.00	11,518	$31.61
Common Stock	Employee Option (right to buy)	Acquisiton	2012-08-06	2,979	$0.00	2,979	$20.53

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
11,518	2012-02-23	2017-02-23	No	4	M	Direct
2,979	2012-02-26	2020-02-26	No	4	M	Direct