|Company Name||# of Hedge Funds||# of Insiders Buying||# of Insiders Selling|
|Hornbeck Offshore Services, Inc. (NYSE:HOS)||18||0||0|
|Newpark Resources Inc (NYSE:NR)||13||0||0|
|TETRA Technologies, Inc. (NYSE:TTI)||12||0||0|
|Exterran Partners, L.P. (NASDAQ:EXLP)||3||0||0|
|C&J Energy Services Inc (NYSE:CJES)||6||0||0|
Using the results explained by Insider Monkey’s research, average investors must always watch hedge fund and insider trading sentiment, and GulfMark Offshore, Inc. (NYSE:GLF) is an important part of this process.