|Company Name||# of Hedge Funds||# of Insiders Buying||# of Insiders Selling|
|Superior Energy Services, Inc. (NYSE:SPN)||24||0||0|
|Oil States International, Inc. (NYSE:OIS)||35||0||0|
|MDU Resources Group Inc (NYSE:MDU)||9||0||0|
|Weatherford International Ltd (NYSE:WFT)||28||0||0|
|Core Laboratories N.V. (NYSE:CLB)||11||0||0|
Using the returns shown by the previously mentioned studies, average investors must always watch hedge fund and insider trading activity, and Oceaneering International (NYSE:OII) is an important part of this process.