Insider NameBuy/SellCompany NameTickerAmountShares Change
Feb 20, 2019Feb 21, 2019Clarkson Jonathan M
Dir
SellParker Drilling Co /de/PKD$0.33$3,660-0
Dec 17, 2018Dec 18, 2018Clarkson Jonathan M
Dir
SellParker Drilling Co /de/PKD$0.33$974-20.77%
Aug 13, 2018Aug 15, 2018Clarkson Jonathan M
Dir
BuyWildhorse Resource Development CorpWRD$18.9$2,835+0.61%
May 18, 2017May 22, 2017Clarkson Jonathan M
Dir
BuyWildhorse Resource Development CorpWRD$12.51$75,060+27.27%
Aug 12, 2013Aug 14, 2013Clarkson Jonathan M
Dir
BuyMemorial Production Partners LPMEMP$20.79$103,950+19.99%
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