Gary F. Klingl, Insider at ENTEGRIS INC (ENTG), sold 10,000 shares at $8.80 ($88K) on 2011-05-06, disclosed to the SEC on 2011-05-09.
Seasonal sale ($88k) by Insider — this insider has traded ENTG in May in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.