Bender Mark Steven

Insider CIK 1330417 · WLK Sr VP, CFO and Treasurer, Director · WLKP Sr VP, CFO, Director

Track record PRO

XXXX	$█.██M	██	+██%
XXXX	$█.██M	██	+██%
XXXX	$█.██M	██	+██%

Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

Upgrade to Pro · $99/year Already Pro? Log in

Trades across companies

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
WLK WESTLAKE CORP	F Tax w/h	2026-05-13	2026-05-14	5,284	$97.34	$514.3K	35,895	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2026-05-12	2026-05-14	13,164	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise	2026-05-12	2026-05-14	13,164	—	$0	41,179	SEC↗
WLK WESTLAKE CORP	S Sale	2026-03-27	2026-03-30	16,413	$112.54	$1.85M	28,015	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2026-02-27	2026-03-02	6,199	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2026-02-27	2026-03-02	6,494	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise	2026-02-27	2026-03-02	6,494	$86.54	$562.0K	74,535	SEC↗
WLK WESTLAKE CORP	D To issuer	2026-02-27	2026-03-02	12,693	$98.20	$1.25M	61,842	SEC↗
WLK WESTLAKE CORP	S Sale	2026-02-27	2026-03-02	16,988	$100.91	$1.71M	44,854	SEC↗
WLK WESTLAKE CORP	S Sale	2026-02-27	2026-03-02	421	$101.52	$42.7K	44,433	SEC↗
WLK WESTLAKE CORP	M Exercise	2026-02-27	2026-03-02	6,199	$65.81	$408.0K	68,041	SEC↗
WLK WESTLAKE CORP	A Award deriv	2026-02-20	2026-02-23	7,747	—	$0	7,747	SEC↗
WLK WESTLAKE CORP	A Award deriv	2026-02-20	2026-02-23	28,389	—	$0	28,389	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2026-02-20	2026-02-23	445	$94.10	$41.9K	61,842	SEC↗
WLK WESTLAKE CORP	A Award	2026-02-19	2026-02-23	1,777	—	$0	62,287	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2026-02-18	2026-02-19	1,209	$98.95	$119.6K	60,510	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2026-02-17	2026-02-19	4,751	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise	2026-02-17	2026-02-19	4,751	—	$0	61,719	SEC↗
WLK WESTLAKE CORP	A Award deriv	2025-02-21	2025-02-24	19,279	—	$0	19,279	SEC↗
WLK WESTLAKE CORP	A Award deriv	2025-02-21	2025-02-24	6,391	—	$0	6,391	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2025-02-21	2025-02-24	3,530	$110.54	$390.2K	56,968	SEC↗
WLK WESTLAKE CORP	A Award	2025-02-20	2025-02-24	8,819	—	$0	60,498	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2025-02-19	2025-02-20	132	$112.76	$14.9K	51,679	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2025-02-19	2025-02-20	4,264	$111.46	$475.3K	51,861	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2025-02-19	2025-02-20	50	$112.46	$5.6K	51,811	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2025-02-18	2025-02-20	13,987	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise	2025-02-18	2025-02-20	13,987	—	$0	56,125	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2024-08-14	2024-08-15	1,156	$145.44	$168.1K	42,138	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2024-08-13	2024-08-15	2,938	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise	2024-08-13	2024-08-15	2,938	—	$0	43,294	SEC↗
WLK WESTLAKE CORP	S Sale	2024-05-03	2024-05-06	4,950	$152.19	$753.3K	40,356	SEC↗
WLK WESTLAKE CORP	S Sale	2024-03-06	2024-03-07	4,804	$141.02	$677.5K	45,306	SEC↗
WLK WESTLAKE CORP	S Sale	2024-02-26	2024-02-28	4,854	$137.57	$667.8K	50,110	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2024-02-20	2024-02-21	547	$138.68	$75.9K	54,964	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2024-02-20	2024-02-21	5,597	$129.92	$727.2K	55,511	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2024-02-19	2024-02-21	5,558	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise	2024-02-19	2024-02-21	5,558	—	$0	61,108	SEC↗
WLK WESTLAKE CORP	A Award deriv	2024-02-16	2024-02-20	12,344	—	$0	12,344	SEC↗
WLK WESTLAKE CORP	A Award deriv	2024-02-16	2024-02-20	4,459	—	$0	4,459	SEC↗
WLK WESTLAKE CORP	A Award	2024-02-16	2024-02-21	11,150	—	$0	55,550	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2023-08-07	2023-08-09	12,033	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2023-08-07	2023-08-09	12,606	—	$0	6,494	SEC↗
WLK WESTLAKE CORP	M Exercise	2023-08-07	2023-08-09	12,606	$86.54	$1.09M	69,039	SEC↗
WLK WESTLAKE CORP	D To issuer	2023-08-07	2023-08-09	2,416	$132.43	$320.0K	66,623	SEC↗
WLK WESTLAKE CORP	M Exercise	2023-08-07	2023-08-09	12,033	$107.75	$1.30M	56,433	SEC↗
WLK WESTLAKE CORP	D To issuer	2023-08-07	2023-08-09	2,625	$133.99	$351.7K	44,400	SEC↗
WLK WESTLAKE CORP	D To issuer	2023-08-07	2023-08-09	19,598	$133.48	$2.62M	47,025	SEC↗
WLK WESTLAKE CORP	A Award deriv	2023-05-12	2023-05-16	13,164	—	$0	13,164	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2023-05-08	2023-05-10	1,084	—	$0	6,199	SEC↗
WLK WESTLAKE CORP	D To issuer	2023-05-08	2023-05-10	1,084	$120.03	$130.1K	44,400	SEC↗
WLK WESTLAKE CORP	M Exercise	2023-05-08	2023-05-10	1,084	$65.81	$71.3K	45,484	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2023-03-13	2023-03-15	5,728	$104.32	$597.5K	44,704	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2023-03-13	2023-03-15	304	$104.76	$31.8K	44,400	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2023-02-27	2023-02-28	3,000	—	$0	7,283	SEC↗
WLK WESTLAKE CORP	D To issuer	2023-02-27	2023-02-28	3,000	$120.50	$361.5K	50,432	SEC↗
WLK WESTLAKE CORP	M Exercise	2023-02-27	2023-02-28	3,000	$65.81	$197.4K	53,432	SEC↗
WLK WESTLAKE CORP	A Award deriv	2023-02-17	2023-02-21	4,751	—	$0	4,751	SEC↗
WLK WESTLAKE CORP	A Award deriv	2023-02-17	2023-02-21	12,971	—	$0	12,971	SEC↗
WLK WESTLAKE CORP	A Award	2023-02-17	2023-02-17	14,342	—	$0	50,432	SEC↗
WLK WESTLAKE CORP	A Award	2023-02-17	2023-03-15	14,342	—	$0	50,432	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2023-02-15	2023-02-16	1,760	$121.86	$214.5K	36,115	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2023-02-15	2023-02-16	25	$122.56	$3.1K	36,090	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2023-02-14	2023-02-16	7,150	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise	2023-02-14	2023-02-16	7,150	—	$0	37,875	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-31	2022-04-01	3,960	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-31	2022-04-01	2,061	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-03-31	2022-04-01	2,061	$79.83	$164.5K	32,786	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-03-31	2022-04-01	3,960	$65.81	$260.6K	36,746	SEC↗
WLK WESTLAKE CORP	S Sale	2022-03-31	2022-04-01	5,921	$124.34	$736.2K	30,825	SEC↗
WLK WESTLAKE CORP	S Sale	2022-03-31	2022-04-01	100	$124.99	$12.5K	30,725	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-30	2022-03-31	3,000	—	$0	2,061	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-30	2022-03-31	3,000	—	$0	3,960	SEC↗
WLK WESTLAKE CORP	S Sale	2022-03-30	2022-03-31	2,938	$124.50	$365.8K	33,787	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-03-30	2022-03-31	3,000	$79.83	$239.5K	33,725	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-03-30	2022-03-31	3,000	$65.81	$197.4K	36,725	SEC↗
WLK WESTLAKE CORP	S Sale	2022-03-30	2022-03-31	3,062	$125.10	$383.1K	30,725	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-29	2022-03-30	2,000	—	$0	6,960	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-29	2022-03-30	2,000	—	$0	5,061	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-03-29	2022-03-30	2,000	$79.83	$159.7K	32,725	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-03-29	2022-03-30	2,000	$65.81	$131.6K	34,725	SEC↗
WLK WESTLAKE CORP	S Sale	2022-03-29	2022-03-30	4,000	$122.44	$489.8K	30,725	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-25	2022-03-28	4,000	—	$0	7,061	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-25	2022-03-28	4,000	—	$0	8,960	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-03-25	2022-03-28	4,000	$79.83	$319.3K	34,725	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-03-25	2022-03-28	4,000	$65.81	$263.2K	38,725	SEC↗
WLK WESTLAKE CORP	S Sale	2022-03-25	2022-03-28	5,053	$125.11	$632.2K	33,672	SEC↗
WLK WESTLAKE CORP	S Sale	2022-03-25	2022-03-28	2,947	$125.74	$370.6K	30,725	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-24	2022-03-25	4,000	—	$0	11,061	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-24	2022-03-25	4,000	—	$0	12,960	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-03-24	2022-03-25	4,000	$65.81	$263.2K	38,725	SEC↗
WLK WESTLAKE CORP	S Sale	2022-03-24	2022-03-25	8,000	$125.38	$1.00M	30,725	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-23	2022-03-24	3,000	—	$0	16,960	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-03-23	2022-03-24	3,000	—	$0	15,061	SEC↗
WLK WESTLAKE CORP	S Sale	2022-03-23	2022-03-24	344	$125.69	$43.2K	30,725	SEC↗
WLK WESTLAKE CORP	S Sale	2022-03-23	2022-03-24	5,656	$125.14	$707.8K	31,069	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-03-23	2022-03-24	3,000	$65.81	$197.4K	36,725	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2022-03-14	2022-03-15	2,810	$118.51	$333.0K	30,725	SEC↗
WLK WESTLAKE CORP	A Award deriv	2022-02-18	2022-02-22	14,980	—	$0	14,980	SEC↗
WLK WESTLAKE CORP	A Award deriv	2022-02-18	2022-02-22	13,987	—	$0	13,987	SEC↗
WLK WESTLAKE CORP	A Award	2022-02-18	2022-02-22	7,923	—	$0	33,536	SEC↗
WLK WESTLAKE CORP	A Award	2022-02-18	2022-03-15	7,922	—	$0	33,535	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2022-02-16	2026-03-06	1,171	$104.96	$122.9K	25,608	SEC↗
WLK WESTLAKE CORP	F Tax w/h	2022-02-16	2022-02-17	1,166	$104.96	$122.4K	25,613	SEC↗
WLK WESTLAKE CORP	M Exercise deriv	2022-02-15	2022-02-17	4,755	—	$0	0	SEC↗
WLK WESTLAKE CORP	M Exercise	2022-02-15	2022-02-17	4,755	—	$0	26,779	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2021-11-11	2021-11-15	2,369	$101.57	$240.6K	22,024	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2021-11-08	2021-11-10	631	$100.77	$63.6K	24,393	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2021-11-05	2021-11-08	6,356	$98.80	$628.0K	25,024	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2021-08-13	2021-08-16	2,938	—	$0	2,938	SEC↗
WLK WESTLAKE CORP	M Exercise	2021-03-24	2022-03-25	4,000	$79.83	$319.3K	34,725	SEC↗
WLK WESTLAKE CORP	M Exercise	2021-03-23	2022-03-24	3,000	$79.83	$239.5K	33,725	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2021-03-12	2021-03-15	10,740	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2021-03-12	2021-03-15	5,000	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2021-03-12	2021-03-15	5,000	$61.87	$309.4K	47,120	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2021-03-12	2021-03-15	10,740	$45.70	$490.8K	42,120	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2021-03-12	2021-03-15	9,920	$94.39	$936.3K	37,200	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2021-03-12	2021-03-15	5,820	$95.23	$554.2K	31,380	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2021-03-09	2021-03-10	15,995	—	$0	5,000	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2021-03-09	2021-03-10	9,816	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2021-03-09	2021-03-10	25,811	$92.27	$2.38M	31,380	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2021-03-09	2021-03-10	9,816	$63.98	$628.0K	41,196	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2021-03-09	2021-03-10	15,995	$61.87	$989.6K	57,191	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2021-02-19	2021-02-22	5,558	—	$0	5,558	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2021-02-19	2021-02-22	19,100	—	$0	19,100	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2021-02-18	2021-02-18	808	$85.08	$68.7K	31,380	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2021-02-16	2021-02-18	3,230	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2021-02-16	2021-02-17	4	$87.38	$350	28,958	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2021-02-16	2021-02-17	398	$85.73	$34.1K	28,962	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2021-02-16	2021-02-17	398	$85.73	$34.1K	28,962	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2021-02-16	2021-02-17	4	$87.38	$350	28,958	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2021-02-16	2021-02-18	3,230	—	$0	32,188	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2021-02-14	2021-02-17	1,478	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2021-02-14	2021-02-17	1,478	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2021-02-14	2021-02-17	1,478	—	$0	29,360	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2021-02-14	2021-02-17	1,478	—	$0	29,360	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2020-11-06	2020-11-10	1,600	$74.79	$119.7K	27,882	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2020-11-05	2020-11-06	24,996	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2020-11-05	2020-11-06	24,576	$73.98	$1.82M	29,902	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2020-11-05	2020-11-06	420	$74.54	$31.3K	29,482	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2020-11-05	2020-11-06	24,996	$44.42	$1.11M	54,478	SEC↗
WLKP Westlake Chemical Partners	P Buy	2020-03-13	2020-03-16	1,000	$14.91	$14.9K	14,000	SEC↗
WLKP Westlake Chemical Partners	P Buy	2020-03-12	2020-03-16	1,000	$15.07	$15.1K	13,000	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2020-02-18	2020-02-19	1,457	$60.52	$88.2K	29,482	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2020-02-17	2020-02-19	5,375	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2020-02-17	2020-02-19	5,375	—	$0	30,939	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2020-02-14	2020-02-18	30,243	—	$0	30,243	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2020-02-14	2020-02-18	7,150	—	$0	7,150	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2020-02-14	2020-02-18	1,478	—	$0	1,478	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2019-12-03	2019-12-03	3,374	$67.01	$226.1K	25,564	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2019-12-01	2019-12-03	8,324	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2019-12-01	2019-12-03	8,324	—	$0	28,938	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2019-05-15	2019-02-19	4,755	—	$0	4,755	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2019-02-19	2019-02-20	152	$75.83	$11.5K	20,614	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2019-02-19	2019-02-20	1,610	$73.29	$118.0K	20,766	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2019-02-18	2019-02-20	6,566	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2019-02-18	2019-02-20	6,566	—	$0	22,376	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2019-02-15	2019-02-19	18,061	—	$0	18,061	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2018-05-21	2018-05-22	12,066	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2018-05-21	2018-05-22	261	$123.59	$32.3K	15,810	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2018-05-21	2018-05-22	9,505	$123.04	$1.17M	16,071	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2018-05-21	2018-05-22	2,300	$121.90	$280.4K	25,576	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2018-05-21	2018-05-22	12,066	$68.09	$821.6K	27,876	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2018-05-11	2018-05-14	6,680	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2018-05-11	2018-05-14	16,826	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2018-05-11	2018-05-14	16,826	$30.05	$505.6K	32,636	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2018-05-11	2018-05-14	23,506	$117.33	$2.76M	15,810	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2018-05-11	2018-05-14	6,680	$22.92	$153.1K	39,316	SEC↗
WLKP Westlake Chemical Partners	P Buy	2018-02-27	2018-02-27	2,000	$23.77	$47.5K	12,000	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2018-02-26	2018-02-27	1,500	$110.84	$166.3K	19,310	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2018-02-26	2018-02-27	3,500	$112.06	$392.2K	15,810	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2018-02-22	2018-02-23	4,000	$110.97	$443.9K	22,810	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2018-02-22	2018-02-26	2,000	$110.64	$221.3K	20,810	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2018-02-21	2018-02-22	876	$106.98	$93.7K	26,810	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2018-02-20	2018-02-22	3,619	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2018-02-20	2018-02-22	3,619	—	$0	27,686	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2018-02-16	2018-02-20	12,033	—	$0	12,033	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2018-02-16	2018-02-20	3,230	—	$0	3,230	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2017-12-04	2017-12-05	6,500	—	$0	6,680	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2017-12-04	2017-12-05	6,500	$97.83	$635.9K	24,067	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2017-12-04	2017-12-05	6,500	$22.92	$149.0K	30,567	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2017-11-26	2017-12-19	4,407	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2017-11-21	2017-11-22	20,382	$94.27	$1.92M	24,067	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2017-11-13	2017-11-15	29,804	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2017-11-13	2017-11-15	29,204	$94.01	$2.75M	45,049	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2017-11-13	2017-11-15	29,804	$10.26	$305.8K	74,253	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2017-11-13	2017-11-15	600	$94.60	$56.8K	44,449	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2017-08-15	2017-08-16	13,794	$70.22	$968.6K	44,449	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2017-03-10	2017-03-13	12,000	$64.32	$771.8K	58,243	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2017-02-17	2017-02-22	5,375	—	$0	5,375	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2017-02-17	2017-02-22	20,995	—	$0	20,995	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2017-02-15	2017-02-16	909	$64.01	$58.2K	70,243	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2017-02-14	2017-02-16	3,152	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2017-02-14	2017-02-16	3,152	—	$0	71,152	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2016-12-01	2016-12-05	8,324	—	$0	8,324	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2016-08-24	2016-08-25	6,749	$51.93	$350.5K	68,000	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2016-08-23	2016-08-25	30,714	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2016-08-23	2016-08-25	30,714	$15.81	$485.6K	74,749	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2016-02-18	2016-02-22	6,566	—	$0	6,566	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2016-02-18	2016-02-22	24,996	—	$0	24,996	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2016-02-17	2016-02-18	1,172	$43.52	$51.0K	44,035	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2016-02-15	2016-02-18	4,040	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2016-02-15	2016-02-18	4,040	—	$0	45,207	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2015-02-20	2015-02-24	3,619	—	$0	3,619	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2015-02-20	2015-02-24	12,066	—	$0	12,066	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2015-02-18	2015-02-20	1,823	$66.79	$121.8K	41,167	SEC↗
WLKP Westlake Chemical Partners	P Buy	2014-08-04	2014-08-06	10,000	$24.00	$240.0K	10,000	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2014-03-03	2014-03-04	15,357	—	$0	15,357	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2014-03-03	2014-03-04	2,364	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2014-03-03	2014-03-04	2,364	$31.61	$74.7K	23,859	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2014-03-03	2014-03-04	17,721	$133.60	$2.37M	21,495	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2014-03-03	2014-03-04	15,357	$31.61	$485.4K	39,216	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2014-02-19	2014-02-21	6	$129.58	$777	22,679	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2014-02-19	2014-02-21	1,184	$129.00	$152.7K	21,495	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2014-02-14	2014-02-19	1,576	—	$0	1,576	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2014-02-14	2014-02-19	4,908	—	$0	4,908	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2013-08-12	2013-08-14	2,930	$101.00	$295.9K	22,685	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2013-08-08	2013-08-12	3,000	$101.00	$303.0K	25,615	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2013-03-25	2013-03-26	3,272	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2013-03-25	2013-03-26	235	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2013-03-25	2013-03-26	922	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2013-03-25	2013-03-26	235	$27.22	$6.4K	28,850	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2013-03-25	2013-03-26	3,272	$25.42	$83.2K	33,044	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2013-03-25	2013-03-26	4,429	$95.00	$420.8K	28,615	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2013-03-25	2013-03-26	922	$36.10	$33.3K	29,772	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2013-02-28	2013-03-04	16	$84.70	$1.4K	28,615	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2013-02-28	2013-03-04	1,567	$84.09	$131.8K	28,631	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2013-02-15	2013-02-20	2,020	—	$0	2,020	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2013-02-15	2013-02-20	5,370	—	$0	5,370	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-12-03	2012-12-05	3,042	$73.00	$222.1K	33,239	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-12-03	2012-12-05	316	$73.50	$23.2K	32,923	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-12-03	2012-12-05	1,967	$73.50	$144.6K	30,956	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-12-03	2012-12-05	758	$73.50	$55.7K	30,198	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-11-26	2017-12-19	4,407	$75.00	$330.5K	36,281	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2012-11-26	2017-12-19	4,407	$14.24	$62.8K	40,688	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2012-11-26	2012-11-28	4,407	—	$0	4,407	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-11-26	2012-11-28	100	$74.88	$7.5K	37,006	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-11-26	2012-11-28	200	$74.93	$15.0K	36,381	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-11-26	2012-11-28	325	$74.92	$24.3K	36,581	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-11-26	2012-11-28	100	$74.89	$7.5K	36,906	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-11-26	2012-11-28	100	$74.94	$7.5K	36,281	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-11-26	2012-11-28	200	$74.86	$15.0K	37,106	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-11-26	2012-11-28	3,382	$74.84	$253.1K	37,306	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2012-11-26	2012-11-28	4,407	$14.24	$62.8K	40,688	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2012-11-23	2012-11-27	1,220	—	$0	8,814	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2012-11-23	2012-11-27	1,220	$75.95	$92.7K	36,281	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2012-11-23	2012-11-27	1,220	$14.24	$17.4K	37,501	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2012-02-24	2012-02-28	11	$57.78	$636	36,281	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2012-02-24	2012-02-28	2,889	$57.50	$166.1K	36,292	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award deriv	2012-02-17	2012-02-23	8,413	—	$0	8,413	SEC↗
WLK WESTLAKE CHEMICAL CORP	A Award	2012-02-17	2012-02-23	3,274	—	$0	39,181	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2012-02-14	2012-02-16	4,242	$57.08	$242.1K	36,073	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2012-02-14	2012-02-16	146	$58.04	$8.5K	35,907	SEC↗
WLK WESTLAKE CHEMICAL CORP	F Tax w/h	2012-02-14	2012-02-16	20	$58.04	$1.2K	36,053	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2011-02-25	2012-02-22	7,767	—	$0	0	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise deriv	2011-02-25	2012-02-22	20,066	—	$0	10,034	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	2,000	$46.68	$93.4K	66,148	SEC↗
WLK WESTLAKE CHEMICAL CORP	M Exercise	2011-02-25	2012-02-22	7,767	$19.29	$149.8K	68,148	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	1,400	$46.31	$64.8K	40,315	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	500	$46.34	$23.2K	41,715	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	883	$46.35	$40.9K	42,215	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	100	$46.37	$4.6K	43,098	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	200	$46.38	$9.3K	43,198	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	2,949	$46.39	$136.8K	43,398	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	300	$46.40	$13.9K	46,347	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	5,145	$46.41	$238.8K	46,647	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	600	$46.43	$27.9K	51,792	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	1,099	$46.44	$51.0K	52,392	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	2,317	$46.45	$107.6K	53,491	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	451	$46.46	$21.0K	55,808	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	200	$46.47	$9.3K	56,259	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	200	$46.48	$9.3K	56,459	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	1,100	$46.49	$51.1K	56,659	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	429	$46.50	$19.9K	57,759	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	3,000	$46.52	$139.6K	58,188	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	2,000	$46.67	$93.3K	64,148	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	2,800	$46.53	$130.3K	61,188	SEC↗
WLK WESTLAKE CHEMICAL CORP	S Sale	2011-02-25	2012-02-22	160	$46.58	$7.5K	63,988	SEC↗