|Company Name||# of Hedge Funds||# of Insiders Buying||# of Insiders Selling|
|Stillwater Mining Company (NYSE:SWC)||17||1||5|
|AMCOL International Corporation (NYSE:ACO)||4||0||9|
|Globe Specialty Metals, Inc. (NASDAQ:GSM)||10||0||0|
|U.S. Silica Holdings Inc (NYSE:SLCA)||14||0||6|
|Arch Coal Inc (NYSE:ACI)||20||1||0|
With the results exhibited by our strategies, retail investors should always keep an eye on hedge fund and insider trading activity, and Cloud Peak Energy Inc. (NYSE:CLD) is no exception.