|Company Name||# of Hedge Funds||# of Insiders Buying||# of Insiders Selling|
|Exelixis, Inc. (NASDAQ:EXEL)||6||1||0|
|NPS Pharmaceuticals, Inc. (NASDAQ:NPSP)||18||0||8|
|PDL BioPharma Inc. (NASDAQ:PDLI)||13||0||0|
|Celldex Therapeutics, Inc. (NASDAQ:CLDX)||16||0||0|
|MannKind Corporation (NASDAQ:MNKD)||6||2||2|
With the returns shown by Insider Monkey’s strategies, retail investors must always pay attention to hedge fund and insider trading activity, and Puma Biotechnology Inc (NYSE:PBYI) is an important part of this process.