Form4insider filings, from the source

Insider · CIK 0001330417

Mark Steven Bender

Files at: WLK, WLKP. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $48k · 1sales $12.9M · 11net −$12.8M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesNov 2012Oct 2013Sep 2014Aug 2015Jul 2016Jun 2017May 2018

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Feb 18, 2019 FMForm 4 →Feb 20, 1:44 pm ESTWESTLAKE CHEMICAL CORPWLK8,328$73.51$129,52320,614— plan?
May 21, 2018 SForm 4 →May 22, 12:18 pm EDTWESTLAKE CHEMICAL CORPWLK12,066$122.83$1,482,12215,810−43.3% plan?
May 21, 2018 MForm 4 →May 22, 12:18 pm EDTWESTLAKE CHEMICAL CORPWLK12,066$68.09$821,57427,876— plan?
May 11, 2018 SForm 4 →May 14, 9:38 am EDTWESTLAKE CHEMICAL CORPWLK23,506$117.33$2,757,95915,810−59.8% plan?
May 11, 2018 MForm 4 →May 14, 9:38 am EDTWESTLAKE CHEMICAL CORPWLK23,506$28.02$658,73639,316— plan?
Feb 27, 2018 PForm 4 →Feb 27, 1:26 pm ESTWestlake Chemical Partners LPWLKP2,000$23.77$47,53512,000+20.0% plan?
Feb 26, 2018 SForm 4 →Feb 27, 11:23 am ESTWESTLAKE CHEMICAL CORPWLK5,000$111.69$558,47015,810−24.0% plan?
Feb 22, 2018 SForm 4 →Feb 26, 11:54 am ESTWESTLAKE CHEMICAL CORPWLK2,000$110.64$221,27020,810−8.77% plan?
Feb 22, 2018 SForm 4 →Feb 23, 12:45 pm ESTWESTLAKE CHEMICAL CORPWLK4,000$110.97$443,88022,810−14.9% plan?
Feb 20, 2018 FMForm 4 →Feb 22, 9:28 am ESTWESTLAKE CHEMICAL CORPWLK4,495$106.98$93,71426,810— plan?
Dec 4, 2017 SForm 4 →Dec 5, 1:08 pm ESTWESTLAKE CHEMICAL CORPWLK6,500$97.83$635,90224,067−21.3% plan?
Dec 4, 2017 MForm 4 →Dec 5, 1:08 pm ESTWESTLAKE CHEMICAL CORPWLK6,500$22.92$148,94830,567— plan?
Nov 21, 2017 SForm 4 →Nov 22, 10:50 am ESTWESTLAKE CHEMICAL CORPWLK20,382$94.27$1,921,30924,067−45.9% plan?
Nov 13, 2017 SForm 4 →Nov 15, 10:25 am ESTWESTLAKE CHEMICAL CORPWLK29,804$94.02$2,802,08244,449−40.1% plan?
Nov 13, 2017 MForm 4 →Nov 15, 10:25 am ESTWESTLAKE CHEMICAL CORPWLK29,804$10.26$305,86474,253— plan?
Aug 15, 2017 SForm 4 →Aug 16, 4:56 pm EDTWESTLAKE CHEMICAL CORPWLK13,794$70.22$968,62044,449−23.7% plan?
Mar 10, 2017 SForm 4 →Mar 13, 4:01 pm EDTWESTLAKE CHEMICAL CORPWLK12,000$64.32$771,78558,243−17.1% plan?
Feb 14, 2017 FMForm 4 →Feb 16, 4:17 pm ESTWESTLAKE CHEMICAL CORPWLK4,061$64.01$58,18570,243— plan?
Aug 23, 2016 FMForm 4 →Aug 25, 4:28 pm EDTWESTLAKE CHEMICAL CORPWLK37,463$22.31$835,91068,000— plan?
Feb 15, 2016 FMForm 4 →Feb 18, 4:02 pm ESTWESTLAKE CHEMICAL CORPWLK5,212$43.52$51,00544,035— plan? late
Feb 18, 2015 FForm 4 →Feb 20, 4:06 pm ESTWESTLAKE CHEMICAL CORPWLK1,823$66.79$121,75341,167— plan?
Nov 26, 2012 SForm 4/A →Dec 19, 2017, 3:21 pm ESTWESTLAKE CHEMICAL CORPWLK4,407$75.00$330,52536,281−10.8% plan?
Nov 26, 2012 MForm 4/A →Dec 19, 2017, 3:21 pm ESTWESTLAKE CHEMICAL CORPWLK4,407$14.24$62,75640,688— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Feb 18, 2019 MForm 4 →Feb 20, 1:44 pm ESTWESTLAKE CHEMICAL CORPWLK6,566——0—
Feb 15, 2019 AForm 4 →Feb 19, 12:48 pm ESTWESTLAKE CHEMICAL CORPWLK22,816——4,755—
May 21, 2018 MForm 4 →May 22, 12:18 pm EDTWESTLAKE CHEMICAL CORPWLK12,066——0—
May 11, 2018 MForm 4 →May 14, 9:38 am EDTWESTLAKE CHEMICAL CORPWLK23,506——0—
Feb 20, 2018 MForm 4 →Feb 22, 9:28 am ESTWESTLAKE CHEMICAL CORPWLK3,619——0—
Feb 16, 2018 AForm 4 →Feb 20, 1:59 pm ESTWESTLAKE CHEMICAL CORPWLK15,263——3,230—
Dec 4, 2017 MForm 4 →Dec 5, 1:08 pm ESTWESTLAKE CHEMICAL CORPWLK6,500——6,680—
Nov 26, 2017 MForm 4/A →Dec 19, 3:21 pm ESTWESTLAKE CHEMICAL CORPWLK4,407——0—
Nov 13, 2017 MForm 4 →Nov 15, 10:25 am ESTWESTLAKE CHEMICAL CORPWLK29,804——0—
Feb 17, 2017 AForm 4 →Feb 22, 4:10 pm ESTWESTLAKE CHEMICAL CORPWLK26,370——5,375—
Feb 14, 2017 MForm 4 →Feb 16, 4:17 pm ESTWESTLAKE CHEMICAL CORPWLK3,152——0—
Dec 1, 2016 AForm 4 →Dec 5, 4:05 pm ESTWESTLAKE CHEMICAL CORPWLK8,324——8,324—
Aug 23, 2016 MForm 4 →Aug 25, 4:28 pm EDTWESTLAKE CHEMICAL CORPWLK30,714——0—
Feb 18, 2016 AForm 4 →Feb 22, 4:02 pm ESTWESTLAKE CHEMICAL CORPWLK31,562——6,566—
Feb 15, 2016 MForm 4 →Feb 18, 4:02 pm ESTWESTLAKE CHEMICAL CORPWLK4,040——0— late
Feb 20, 2015 AForm 4 →Feb 24, 4:24 pm ESTWESTLAKE CHEMICAL CORPWLK15,685——3,619—