Insider NameBuy/SellCompany NameTickerAmountShares Change
May 11, 2018May 14, 2018Sheffield Kenneth H Jr
EVP
Operations
Engineering
SellPioneer Natural Resources CoPXD$203.19$1M-21.72%
Nov 06, 2017Nov 08, 2017Sheffield Kenneth H Jr
EVP
Operations
Engineering
SellPioneer Natural Resources CoPXD$157.57$512,093-14.96%
Apr 28, 2016May 02, 2016Sheffield Kenneth H Jr
EVP
STAT
WAT
Corp. Eng.
SellPioneer Natural Resources CoPXD$167.99$419,965-9.21%
Nov 06, 2015Nov 09, 2015Sheffield Kenneth H Jr
EVP
STAT
WAT
Corp. Eng.
SellPioneer Natural Resources CoPXD$143.55$433,377-11.42%
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