WESTLAKE CHEMICAL CORP Insider Trading for May 2018

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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of insider trading in WESTLAKE CHEMICAL CORP for May 2018.

Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
May 25 2018	WLK	WESTLAKE CHEMICAL ...	Chao James	Chairman	Sell	S	120.69	33,305	4,019,580	51,492	84.8 K to 51.5 K (-39.28 %)
May 22 2018	WLK	WESTLAKE CHEMICAL ...	Bender Mark Steven	EVP and CFO	Option Exercise	M	68.09	12,066	821,574	0
May 22 2018	WLK	WESTLAKE CHEMICAL ...	Bender Mark Steven	EVP and CFO	Sell	S	123.59	261	32,257	15,810	16.1 K to 15.8 K (-1.62 %)
May 22 2018	WLK	WESTLAKE CHEMICAL ...	Bender Mark Steven	EVP and CFO	Sell	S	123.04	9,505	1,169,495	16,071	25.6 K to 16.1 K (-37.16 %)
May 22 2018	WLK	WESTLAKE CHEMICAL ...	Bender Mark Steven	EVP and CFO	Sell	S	121.90	2,300	280,370	25,576	27.9 K to 25.6 K (-8.25 %)
May 22 2018	WLK	WESTLAKE CHEMICAL ...	Bender Mark Steven	EVP and CFO	Buy	M	68.09	12,066	821,574	27,876	15.8 K to 27.9 K (+76.32 %)
May 21 2018	WLK	WESTLAKE CHEMICAL ...	MCCOLLUM MARK A	Director	Option Exercise	A	0.00	987	0	987
May 21 2018	WLK	WESTLAKE CHEMICAL ...	RILEY H JOHN JR	Director	Option Exercise	A	0.00	144	0	144
May 21 2018	WLK	WESTLAKE CHEMICAL ...	NORTHCUTT R BRUCE	Director	Option Exercise	A	0.00	144	0	144
May 21 2018	WLK	WESTLAKE CHEMICAL ...	LUKENS MAX L	Director	Option Exercise	A	0.00	103	0	103
May 21 2018	WLK	WESTLAKE CHEMICAL ...	Jenkins Dorothy C	Director	Option Exercise	A	0.00	103	0	103
May 21 2018	WLK	WESTLAKE CHEMICAL ...	Graff Michael J	Director	Option Exercise	A	0.00	103	0	103
May 21 2018	WLK	WESTLAKE CHEMICAL ...	BLAKELY ROBERT T	Director	Option Exercise	A	0.00	103	0	103
May 21 2018	WLK	WESTLAKE CHEMICAL ...	BLAKELY ROBERT T	Director	Option Exercise	A	0.00	103	0	103
May 16 2018	WLK	WESTLAKE CHEMICAL ...	Buesinger Robert F.	EVP, Vinyl Products	Sell	S	118.88	1,447	172,012	2,642	4.1 K to 2.6 K (-35.39 %)
May 14 2018	WLK	WESTLAKE CHEMICAL ...	Bender Mark Steven	EVP and CFO	Option Exercise	M	22.92	6,680	153,072	0
May 14 2018	WLK	WESTLAKE CHEMICAL ...	Bender Mark Steven	EVP and CFO	Option Exercise	M	30.05	16,826	505,663	0
May 14 2018	WLK	WESTLAKE CHEMICAL ...	Bender Mark Steven	EVP and CFO	Sell	S	117.33	23,506	2,757,959	15,810	39.3 K to 15.8 K (-59.79 %)
May 14 2018	WLK	WESTLAKE CHEMICAL ...	Bender Mark Steven	EVP and CFO	Buy	M	22.92	6,680	153,072	39,316	32.6 K to 39.3 K (+20.47 %)
May 14 2018	WLK	WESTLAKE CHEMICAL ...	Bender Mark Steven	EVP and CFO	Buy	M	30.05	16,826	505,663	32,636	15.8 K to 32.6 K (+106.43 %)
May 11 2018	WLK	WESTLAKE CHEMICAL ...	Jenkins Dorothy C	Director	Option Exercise	M	10.41	7,652	79,676	0
May 11 2018	WLK	WESTLAKE CHEMICAL ...	Jenkins Dorothy C	Director	Sell	S	117.01	52	6,085	54,678	54.7 K to 54.7 K (-0.10 %)
May 11 2018	WLK	WESTLAKE CHEMICAL ...	Jenkins Dorothy C	Director	Buy	M	10.41	7,652	79,676	54,730	47.1 K to 54.7 K (+16.25 %)
May 01 2018	WLK	WESTLAKE CHEMICAL ...	Kearns Roger L.	EVP, Vinyls Chemica ...	Option Exercise	A	0.00	18,448	0	18,448