|Company Name||# of Hedge Funds||# of Insiders Buying||# of Insiders Selling|
|Core Laboratories N.V. (NYSE:CLB)||11||0||0|
|RPC, Inc. (NYSE:RES)||13||0||0|
|Dril-Quip, Inc. (NYSE:DRQ)||19||0||0|
|Superior Energy Services, Inc. (NYSE:SPN)||24||0||0|
|MDU Resources Group Inc (NYSE:MDU)||9||0||0|
Using the results shown by the previously mentioned research, average investors should always track hedge fund and insider trading sentiment, and Oil States International, Inc. (NYSE:OIS) is no exception.