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WLK Insider Trading (Westlake Chemical)

Insider Ownership Percentage: 73.70%
Insider Buying (Last 12 Months): $258,630.00
Insider Selling (Last 12 Months): $15,613,001.68

Westlake Chemical Insider Trading History Chart

This chart shows the insider buying and selling history at Westlake Chemical by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Westlake Chemical Share Price & Price History

Current Price: $101.76
Price Change: Price Increase of +1.06 (1.05%)
As of 10/20/2021 01:00 AM ET

This chart shows the closing price history over time for WLK up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365
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Westlake Chemical Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/11/2021Albert ChaoCEOBuy3,000$86.21$258,630.00441,939View SEC Filing Icon  
5/10/2021Robert F BuesingerEVPSell5,000$105.00$525,000.008,217View SEC Filing Icon  
3/12/2021Mark Steven BenderCFOSell15,740$94.70$1,490,578.0042,120View SEC Filing Icon  
3/9/2021Mark Steven BenderCFOSell25,811$92.27$2,381,580.9741,196View SEC Filing Icon  
3/8/2021Robert F BuesingerEVPSell16,513$93.69$1,547,102.9721,951View SEC Filing Icon  
2/25/2021Johnathan Stevan ZoellerCAOSell1,006$86.94$87,461.641,006View SEC Filing Icon  
2/25/2021Lawrence E. TeelCEOSell33,449$86.96$2,908,725.0413,865View SEC Filing Icon  
11/24/2020Robert F BuesingerEVPSell4,581$77.50$355,027.5015,150View SEC Filing Icon  
11/23/2020Andrew KennerSVPSell5,924$74.75$442,819.00
11/6/2020Albert ChaoCEOSell55,148$72.99$4,025,252.52482,804View SEC Filing Icon  
11/5/2020Mark Steven BenderCFOSell24,996$73.99$1,849,454.0427,882View SEC Filing Icon  
3/26/2020Ttwfgp LlcMajor ShareholderBuy145,000$39.03$5,659,350.00View SEC Filing Icon  
3/24/2020Ttwfgp LlcMajor ShareholderBuy145,000$39.82$5,773,900.00View SEC Filing Icon  
3/18/2020Ttwfgp LlcMajor ShareholderBuy165,000$31.40$5,181,000.00View SEC Filing Icon  
3/16/2020Roger L KearnsEVPBuy5,000$29.89$149,450.0014,224View SEC Filing Icon  
3/16/2020Ttwfgp LlcMajor ShareholderBuy160,000$29.87$4,779,200.00
3/13/2020Ttwfgp LlcMajor ShareholderBuy160,000$32.94$5,270,400.00View SEC Filing Icon  
2/21/2020Albert ChaoCEOSell51,592$62.42$3,220,372.64421,448View SEC Filing Icon  
11/8/2019George J MangieriCAOSell1,583$75.05$118,804.151,582View SEC Filing Icon  
8/20/2019Dorothy C JenkinsDirectorSell390$62.30$24,297.0067,618View SEC Filing Icon  
3/19/2019H John Riley JrDirectorSell3,327$69.92$232,623.8422,652View SEC Filing Icon  
11/15/2018Albert ChaoCEOSell24,509$71.20$1,745,040.80337,013View SEC Filing Icon  
11/13/2018Albert ChaoCEOSell40,000$73.47$2,938,800.00321,374View SEC Filing Icon  
See Full Table
Insider Selling at Westlake Chemical?
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SEC Filings (Institutional Ownership Changes) for Westlake Chemical (NYSE:WLK)

25.80% of Westlake Chemical stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at WLK by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Westlake Chemical Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/19/2021Assenagon Asset Management S.A.751,636$68.50M0.2%+1,707.2%0.587%Search for SEC Filing on Google Icon
10/18/2021Polaris Wealth Advisory Group LLC422,174$41.80M2.5%N/A0.329%Search for SEC Filing on Google Icon
10/15/2021Pacer Advisors Inc.66,198$6.03M0.1%N/A0.052%Search for SEC Filing on Google Icon
10/14/2021Wedge Capital Management L L P NC101,818$9.28M0.1%+11.7%0.079%Search for SEC Filing on Google Icon
10/13/2021Scout Investments Inc.182,581$16.64M0.2%-18.1%0.142%Search for SEC Filing on Google Icon
10/12/2021Koshinski Asset Management Inc.517$41K0.0%N/A0.000%Search for SEC Filing on Google Icon
10/12/2021Contravisory Investment Management Inc.65,683$5.99M1.8%-2.3%0.051%Search for SEC Filing on Google Icon
10/7/2021Berman Capital Advisors LLC429$39K0.0%+92.4%0.000%Search for SEC Filing on Google Icon
9/3/2021Parametric Portfolio Associates LLC147,141$13.26M0.0%-0.6%0.115%Search for SEC Filing on Google Icon
8/26/2021Y Intercept Hong Kong Ltd5,471$0.49M0.1%N/A0.004%Search for SEC Filing on Google Icon
8/26/2021Comerica Bank5,759$0.47M0.0%-2.8%0.004%Search for SEC Filing on Google Icon
8/25/2021Marshall Wace LLP15,937$1.44M0.0%-86.8%0.012%Search for SEC Filing on Google Icon
8/25/2021Marshall Wace North America L.P.350,531$31.58M0.1%+1.5%0.274%Search for SEC Filing on Google Icon
8/23/2021Morgan Stanley563,210$50.74M0.0%+142.8%0.439%Search for SEC Filing on Google Icon
8/20/2021Denali Advisors LLC662$60K0.0%+43.3%0.001%Search for SEC Filing on Google Icon
8/19/2021Bradley Foster & Sargent Inc. CT15,368$1.39M0.0%+22.4%0.012%Search for SEC Filing on Google Icon
8/18/2021Colony Group LLC2,833$0.26M0.0%-9.8%0.002%Search for SEC Filing on Google Icon
8/17/2021Wells Fargo & Company MN466,265$42.01M0.0%-22.4%0.364%Search for SEC Filing on Google Icon
8/17/2021Walleye Capital LLC11,102$1M0.0%-17.8%0.009%Search for SEC Filing on Google Icon
8/17/2021Zacks Investment Management27,657$2.49M0.0%+2.2%0.022%Search for SEC Filing on Google Icon
8/17/2021Kingsview Wealth Management LLC8,252$0.75M0.0%+79.8%0.006%Search for SEC Filing on Google Icon
8/17/2021Invesco Ltd.63,011$5.68M0.0%-16.4%0.049%Search for SEC Filing on Google Icon
8/17/2021Metropolitan Life Insurance Co NY1,007$91K0.0%N/A0.001%Search for SEC Filing on Google Icon
8/17/2021Millennium Management LLC678,927$61.17M0.0%-51.9%0.530%Search for SEC Filing on Google Icon
8/17/2021Man Group plc26,978$2.43M0.0%+505.3%0.021%Search for SEC Filing on Google Icon
8/17/2021Price T Rowe Associates Inc. MD2,043,274$184.08M0.0%-44.3%1.594%Search for SEC Filing on Google Icon
8/17/2021Prudential Financial Inc.461,054$41.54M0.1%+60.1%0.360%Search for SEC Filing on Google Icon
8/17/2021Paloma Partners Management Co71,948$6.48M0.1%+122.4%0.056%Search for SEC Filing on Google Icon
8/17/2021Balyasny Asset Management LLC29,038$2.62M0.0%-94.4%0.023%Search for SEC Filing on Google Icon
8/16/2021Squarepoint Ops LLC109,894$9.90M0.0%+452.7%0.086%Search for SEC Filing on Google Icon
8/16/2021AQR Capital Management LLC212,310$19.13M0.0%+32.0%0.166%Search for SEC Filing on Google Icon
8/16/2021Bank of America Corp DE138,347$12.46M0.0%+179.3%0.108%Search for SEC Filing on Google Icon
8/16/2021Amalgamated Bank8,926$0.80M0.0%+126.7%0.007%Search for SEC Filing on Google Icon
8/16/2021UBS Asset Management Americas Inc.128,326$11.56M0.0%-1.0%0.100%Search for SEC Filing on Google Icon
8/16/2021FORA Capital LLC1,705$0.15M0.0%N/A0.001%Search for SEC Filing on Google Icon
8/16/2021PDT Partners LLC9,974$0.90M0.1%N/A0.008%Search for SEC Filing on Google Icon
8/16/2021Point72 Asset Management L.P.193,903$17.47M0.1%+223.2%0.151%Search for SEC Filing on Google Icon
8/16/2021Cubist Systematic Strategies LLC130,930$11.80M0.1%+136.5%0.102%Search for SEC Filing on Google Icon
8/16/2021Robotti Robert230,380$20.76M5.2%-11.2%0.180%Search for SEC Filing on Google Icon
8/16/2021Dark Forest Capital Management LP720$65K0.0%N/A0.001%Search for SEC Filing on Google Icon
8/16/2021California State Teachers Retirement System56,658$5.10M0.0%-3.9%0.044%Search for SEC Filing on Google Icon
8/16/2021Occudo Quantitative Strategies LP3,716$0.34M0.1%N/A0.003%Search for SEC Filing on Google Icon
8/16/2021First Trust Advisors LP264,881$23.86M0.0%+39.7%0.207%Search for SEC Filing on Google Icon
8/16/2021Public Employees Retirement System of Ohio21,252$1.92M0.0%+3.8%0.017%Search for SEC Filing on Google Icon
8/16/2021Royal Bank of Canada39,511$3.56M0.0%+6.0%0.031%Search for SEC Filing on Google Icon
8/16/2021Tudor Investment Corp Et Al10,004$0.90M0.0%N/A0.008%Search for SEC Filing on Google Icon
8/16/2021Morgan Stanley563,210$50.74M0.0%+142.8%0.439%Search for SEC Filing on Google Icon
8/16/2021Amundi25,639$2.31M0.0%N/A0.020%Search for SEC Filing on Google Icon
8/16/2021Credit Suisse AG38,450$3.44M0.0%+49.0%0.030%Search for SEC Filing on Google Icon
8/16/2021Schonfeld Strategic Advisors LLC11,200$1.01M0.0%-82.0%0.009%Search for SEC Filing on Google Icon
8/16/2021Kennedy Capital Management Inc.6,243$0.56M0.0%-3.0%0.005%Search for SEC Filing on Google Icon
8/16/2021Charles Schwab Investment Management Inc.285,553$25.73M0.0%-0.9%0.223%Search for SEC Filing on Google Icon
8/16/2021Cipher Capital LP2,798$0.25M0.1%-85.3%0.002%Search for SEC Filing on Google Icon
8/16/2021State Street Corp518,534$46.72M0.0%+14.3%0.405%Search for SEC Filing on Google Icon
8/16/2021SIR Capital Management L.P.151,100$13.61M2.0%+16.0%0.118%Search for SEC Filing on Google Icon
8/16/2021Nuveen Asset Management LLC166,299$14.98M0.0%+5.2%0.130%Search for SEC Filing on Google Icon
8/16/2021Price Michael F77,000$6.94M0.8%-3.8%0.060%Search for SEC Filing on Google Icon
8/16/2021Cinctive Capital Management LP5,000$0.45M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/16/2021Federated Hermes Inc.5,210$0.47M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/16/2021Goldman Sachs Group Inc.1,131,178$101.91M0.0%+40.4%0.883%Search for SEC Filing on Google Icon
8/16/2021Marshall Wace LLP15,937$1.44M0.0%-86.8%0.012%Search for SEC Filing on Google Icon
8/13/2021Renaissance Technologies LLC140,100$12.62M0.0%N/A0.109%Search for SEC Filing on Google Icon
8/13/2021Northern Trust Corp178,127$16.05M0.0%-8.3%0.139%Search for SEC Filing on Google Icon
8/13/2021Virginia Retirement Systems ET AL172,500$15.54M0.2%+118.4%0.135%Search for SEC Filing on Google Icon
8/13/2021LPL Financial LLC6,890$0.62M0.0%-3.4%0.005%Search for SEC Filing on Google Icon
8/13/2021Blueshift Asset Management LLC3,516$0.32M0.0%-74.2%0.003%Search for SEC Filing on Google Icon
8/13/2021Ensign Peak Advisors Inc2,325$0.21M0.0%+554.9%0.002%Search for SEC Filing on Google Icon
8/13/2021Qube Research & Technologies Ltd112,553$10.14M0.1%+137.8%0.088%Search for SEC Filing on Google Icon
8/13/2021AXA S.A.8,700$0.78M0.0%N/A0.007%Search for SEC Filing on Google Icon
8/13/2021Geode Capital Management LLC407,580$36.72M0.0%+0.1%0.318%Search for SEC Filing on Google Icon
8/13/2021Vanguard Group Inc.3,997,970$360.18M0.0%+7.2%3.120%Search for SEC Filing on Google Icon
8/13/2021FMR LLC2,052,402$184.90M0.0%+103.7%1.602%Search for SEC Filing on Google Icon
8/13/2021Seven Eight Capital LP8,328$0.75M0.1%N/A0.006%Search for SEC Filing on Google Icon
8/13/2021Sandbar Asset Management LLP116,070$10.46M1.1%+60.9%0.091%Search for SEC Filing on Google Icon
8/13/2021ProShare Advisors LLC2,957$0.27M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/12/2021Trexquant Investment LP17,788$1.60M0.1%N/A0.014%Search for SEC Filing on Google Icon
8/12/2021AlphaCrest Capital Management LLC45,560$4.11M0.2%+396.0%0.036%Search for SEC Filing on Google Icon
8/12/2021Dimensional Fund Advisors LP2,278,426$205.26M0.1%-2.3%1.778%Search for SEC Filing on Google Icon
8/12/2021SG Americas Securities LLC3,632$0.33M0.0%-9.5%0.003%Search for SEC Filing on Google Icon
8/12/2021Advisory Services Network LLC408$37K0.0%N/A0.000%Search for SEC Filing on Google Icon
8/12/2021State of Wisconsin Investment Board3,956$0.36M0.0%-8.0%0.003%Search for SEC Filing on Google Icon
8/12/2021Keybank National Association OH4,514$0.41M0.0%-20.7%0.004%Search for SEC Filing on Google Icon
8/12/2021Legal & General Group Plc117,450$10.58M0.0%-1.8%0.092%Search for SEC Filing on Google Icon
8/12/2021JPMorgan Chase & Co.70,448$6.35M0.0%-40.0%0.055%Search for SEC Filing on Google Icon
8/12/2021Bank of Montreal Can30,755$2.76M0.0%+6,254.3%0.024%Search for SEC Filing on Google Icon
8/12/2021Bank of Nova Scotia92,407$8.33M0.0%N/A0.072%Search for SEC Filing on Google Icon
8/12/2021CIBC World Markets Inc.8,092$0.73M0.0%+3.5%0.006%Search for SEC Filing on Google Icon
8/12/2021Capital Fund Management S.A.15,658$1.41M0.0%-43.4%0.012%Search for SEC Filing on Google Icon
8/12/2021Jennison Associates LLC132,760$11.96M0.0%+442.6%0.104%Search for SEC Filing on Google Icon
8/12/2021Krane Funds Advisors LLC5,347$0.48M0.0%+9.0%0.004%Search for SEC Filing on Google Icon
8/12/2021Grantham Mayo Van Otterloo & Co. LLC3,000$0.27M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/12/2021Mitsubishi UFJ Trust & Banking Corp13,729$1.23M0.0%-8.5%0.011%Search for SEC Filing on Google Icon
8/11/2021Campbell & CO Investment Adviser LLC2,800$0.25M0.1%-17.6%0.002%Search for SEC Filing on Google Icon
8/11/2021Great West Life Assurance Co. Can8,271$0.74M0.0%-5.5%0.006%Search for SEC Filing on Google Icon
8/11/2021Bank of New York Mellon Corp312,672$28.17M0.0%+22.8%0.244%Search for SEC Filing on Google Icon
8/11/2021Mackenzie Financial Corp5,300$0.48M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/11/2021Quantitative Systematic Strategies LLC18,308$1.65M0.3%+58.1%0.014%Search for SEC Filing on Google Icon
8/11/2021BlackRock Inc.1,685,947$151.89M0.0%-2.5%1.316%Search for SEC Filing on Google Icon
8/11/2021Deutsche Bank AG195,039$17.57M0.0%-32.5%0.152%Search for SEC Filing on Google Icon
8/11/2021Brandes Investment Partners LP96,737$8.72M0.2%+80.7%0.075%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Westlake Chemical logo
Westlake Chemical Corp. manufactures and markets petrochemicals, polymers and fabricated building products. It operates through the following segments: Olefins and Vinyls. The Olefins segment manufactures ethylene, polyethylene and styrene and associated co-products at the manufacturing facility in Lake Charles and polyethylene at the Longview facility. The Vinyls segment manufactures and sells building products fabricated from polyvinyl chloride, including pipe, fittings, profiles, foundation, building products, fence and deck components, window and door components, film and sheet products. The company was founded by Ting Tsung Chao in 1986 and is headquartered in Houston, TX.
Read More on Westlake Chemical

Today's Range

Now: $101.76
Low: $100.10
High: $102.37

50 Day Range

MA: $89.13
Low: $80.89
High: $100.56

52 Week Range

Now: $101.76
Low: $64.41
High: $106.47

Volume

304,249 shs

Average Volume

594,273 shs

Market Capitalization

$13.04 billion

P/E Ratio

14.07

Dividend Yield

1.18%

Beta

1.47

Who are the company insiders with the largest holdings of Westlake Chemical?

Westlake Chemical's top insider investors include:
  1. Albert Chao (CEO)
  2. Mark Steven Bender (CFO)
  3. Robert F Buesinger (EVP)
  4. Roger L Kearns (EVP)
  5. Lawrence E Teel (CEO)
  6. George J Mangieri (CAO)
  7. Johnathan Stevan Zoeller (CAO)
  8. Andrew Kenner (SVP)
  9. Ttwfgp Llc (Major Shareholder)

Who are the major institutional investors of Westlake Chemical?

Westlake Chemical's top institutional shareholders include:
  1. Assenagon Asset Management S.A. — 0.59%
  2. Polaris Wealth Advisory Group LLC — 0.33%
  3. Scout Investments Inc. — 0.14%
  4. Wedge Capital Management L L P NC — 0.08%
  5. Pacer Advisors Inc. — 0.05%
  6. Contravisory Investment Management Inc. — 0.05%

Which institutional investors are selling Westlake Chemical stock?

Within the last quarter, WLK stock was sold by these institutional investors:
  1. Scout Investments Inc.
  2. Contravisory Investment Management Inc.
In the last year, company insiders that have sold Westlake Chemical company stock include:
  1. Albert Chao (CEO)
  2. Mark Steven Bender (CFO)
  3. Robert F Buesinger (EVP)
  4. Roger L Kearns (EVP)
  5. Lawrence E Teel (CEO)
  6. George J Mangieri (CAO)

Which institutional investors are buying Westlake Chemical stock?

During the previous quarter, WLK stock was purchased by institutional investors including:
  1. Assenagon Asset Management S.A.
  2. Polaris Wealth Advisory Group LLC
  3. Pacer Advisors Inc.
  4. Wedge Capital Management L L P NC
  5. Koshinski Asset Management Inc.
  6. Berman Capital Advisors LLC
During the last year, these company insiders have bought Westlake Chemical stock:
  1. Albert Chao (CEO)
  2. Mark Steven Bender (CFO)
  3. Robert F Buesinger (EVP)
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