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Westlake Chemical Corporation (WLK) Insider Trading

Total insider buys:
  • $27,071,930.00
Total insider sells:
  • $123,606,028.48
Most recent insider trade:
  • May 3, 2024
Most active insider trader:
  • Mark Steven Bender
Trader NameDateTitleAmountPriceTypeTotal Value
May 10, 2018Director52$117.01Sell$6,084.52
March 9, 2018SVP6,028$120.00Sell$723,360.00
March 5, 2018SVP24,318$110.61Sell$2,689,813.98
March 5, 2018CAO2,161$113.41Sell$245,079.01
March 5, 2018EVP19,349$113.04Sell$2,187,210.96
Feb. 28, 2018SVP4,335$111.22Sell$482,138.70
Feb. 27, 2018Director4,038$111.00Sell$448,218.00
Feb. 26, 2018EVP9,351$111.86Sell$1,046,002.86
Feb. 26, 2018CFO5,000$111.69Sell$558,450.00
Feb. 22, 2018Director17,558$110.93Sell$1,947,708.94
Feb. 22, 2018CFO4,000$110.97Sell$443,880.00
Feb. 22, 2018CAO6,942$111.45Sell$773,685.90
Dec. 4, 2017CFO6,500$97.83Sell$635,895.00
Dec. 1, 2017EVP2,674$98.50Sell$263,389.00
Nov. 29, 2017CEO16,844$95.25Sell$1,604,391.00
Nov. 27, 2017CEO25,000$93.96Sell$2,349,000.00
Nov. 24, 2017CEO45,000$94.76Sell$4,264,200.00
Nov. 24, 2017Chairman76,135$94.69Sell$7,209,223.15
Nov. 22, 2017Chairman10,109$95.20Sell$962,376.80
Nov. 21, 2017CFO20,382$94.27Sell$1,921,411.14
Nov. 21, 2017CEO25,000$94.34Sell$2,358,500.00
Nov. 17, 2017EVP5,214$93.82Sell$489,177.48
Nov. 14, 2017Director4,367$92.33Sell$403,205.11
Nov. 13, 2017EVP12,712$93.99Sell$1,194,800.88
Nov. 13, 2017SVP13,381$94.44Sell$1,263,701.64
Nov. 13, 2017CFO29,804$94.02Sell$2,802,172.08
Aug. 15, 2017VP13,794$70.22Sell$968,614.68
May 17, 2017VP6,578$62.21Sell$409,217.38
March 10, 2017CFO12,000$64.32Sell$771,840.00
Nov. 17, 2016CEO20,000$54.15Sell$1,083,000.00
Nov. 15, 2016CEO20,000$52.95Sell$1,059,000.00
Nov. 15, 2016VP18,274$53.78Sell$982,775.72
Nov. 11, 2016VP5,696$52.91Sell$301,375.36
Nov. 10, 2016Insider2,880$54.42Sell$156,729.60
Aug. 23, 2016VP30,714$52.00Sell$1,597,128.00
Nov. 10, 2015CAO2,785$60.21Sell$167,684.85
May 26, 2015SVP8,143$70.57Sell$574,651.51
May 11, 2015SVP2,125$70.25Sell$149,281.25
Aug. 22, 2014Director42,379$93.57Sell$3,965,403.03
June 9, 2014Major Shareholder42,946$82.01Sell$3,522,001.46
May 7, 2014VP1,872$77.36Sell$144,817.92
March 13, 2014Director1,609$135.03Sell$217,263.27
March 3, 2014CFO17,721$133.60Sell$2,367,525.60
Feb. 28, 2014SVP4,232$134.50Sell$569,204.00
Feb. 28, 2014Director7,375$134.70Sell$993,412.50
Feb. 28, 2014VP1,107$134.70Sell$149,112.90
Feb. 27, 2014SVP4,314$132.62Sell$572,122.68
Feb. 26, 2014VP2,361$132.95Sell$313,894.95
Aug. 12, 2013CFO2,930$101.00Sell$295,930.00
Aug. 8, 2013CFO3,000$101.00Sell$303,000.00
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  • Insiders are both buying and selling Westlake Chemical Corporation stock.

  • The insider traders at Westlake Chemical Corporation are: Mark Steven Bender, Albert Chao, Robert F Buesinger, George J Mangieri, Ttwfgp Llc, Andrew Kenner, James Chao, Lawrence E Teel, Roger L Kearns, Stephen Wallace, Johnathan Stevan Zoeller, Robert T Blakely, L. Benjamin Ederington, Max L Lukens, Dorothy C Jenkins, Jeffrey L Taylor, Robert Buesinger, H John Riley Jr, George Mangieri, H John Riley, Jr., Jeffrey Taylor, David Hansen, Lawrence Teel, Michael J Mattina, Robert Blakely, David Tsung-Hung Chao, and George J. Mangieri

  • The most active insider trader at Westlake Chemical Corporation is Mark Steven Bender with 28 trades.

  • Albert Chao has sold the most Westlake Chemical Corporation stock with a total value of $38,872,009.97.

  • Ttwfgp Llc has bought the most Westlake Chemical Corporation stock with a total value of $32,323,200.00.

  • The most recent insider trade for Westlake Chemical Corporation was on May 3, 2024.

  • The single biggest insider buy for Westlake Chemical Corporation was from Ttwfgp Llc with a total value of $5,773,900.00 on March 24, 2020.

  • The single biggest insider sell for Westlake Chemical Corporation was from James Chao with a total value of $7,209,223.15 on Nov. 24, 2017.