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Home > Insider Trading > Filing (0001140361-13-013014)

Filing Details

Accession Number:: 0001140361-13-013014
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2013-03-18 18:35:12
Reporting Period:: 2013-03-14

Filing Date:: 2013-03-18
Accepted Time:: 2013-03-18 17:35:12
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	Explanation
Common Stock	Acquisiton	2013-03-14	2,979	$20.53	18,031	No	4	M	Direct
Common Stock	Acquisiton	2013-03-14	1,618	$14.24	19,649	No	4	M	Direct
Common Stock	Disposition	2013-03-14	2,000	$96.36	17,649	No	4	S	Direct
Common Stock	Disposition	2013-03-14	300	$96.36	17,349	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$96.37	17,249	No	4	S	Direct
Common Stock	Disposition	2013-03-14	196	$96.37	17,053	No	4	S	Direct
Common Stock	Disposition	2013-03-14	200	$96.38	16,853	No	4	S	Direct
Common Stock	Disposition	2013-03-14	200	$96.43	16,653	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$96.48	16,553	No	4	S	Direct
Common Stock	Disposition	2013-03-14	300	$96.48	16,253	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$96.53	16,153	No	4	S	Direct
Common Stock	Disposition	2013-03-14	400	$96.53	15,753	No	4	S	Direct
Common Stock	Disposition	2013-03-14	1	$96.64	15,752	No	4	S	Direct
Common Stock	Disposition	2013-03-14	400	$96.64	15,352	No	4	S	Direct
Common Stock	Disposition	2013-03-14	200	$96.65	15,152	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$96.66	15,052	No	4	S	Direct
Common Stock	Disposition	2013-03-14	1,000	$96.50	14,052	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
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)	Disposition	2013-03-14	2,979	$0.00	2,979	$20.53
Common Stock	Employee Option (right to buy)	Disposition	2013-03-14	1,618	$0.00	1,618	$14.24

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2013-02-26	2020-02-26	No	4	M	Direct
0	2012-02-13	2019-02-13	No	4	M	Direct