David G. Blair, President at HOLLY ENERGY PARTNERS LP (HEP), sold 7,000 shares at $42.54 ($298K) on 2010-03-18, disclosed to the SEC on 2010-03-22.
Seasonal sale ($298k) by President — this insider has traded HEP in March in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.