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A Mark Mccollum


  • Director at Westlake Chemical Corp (WLK), 2019-08-19
  • President And Ceo at Weatherford International Plc (WFT), 2019-04-26
  • Director at Archrock Inc. (AROC), 2018-04-27
  • Evp - Chief Financial Officer at Halliburton Co (HAL), 2017-03-01
  • Director at Exterran Partners L.p. (EXLP), 2009-01-23
Insider Trading: Sales See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
HAL $53.30 44,100 Officer 204,993 2017-02-27 Filing
HAL $53.30 33,200 Officer 204,993 2017-02-27 Filing
HAL $53.30 12,000 Officer 204,993 2017-02-27 Filing
HAL $69.64 1,398 Officer 119,127 2014-06-20 Filing
HAL $69.36 40,600 Officer 120,525 2014-06-20 Filing