Richard F. Teerlink, Director at SNAP-ON Inc (SNA), sold 15,000 shares at $51.31 ($770K) on 2010-11-01, disclosed to the SEC on 2010-11-01.
Seasonal sale ($770k) by Director — this insider has traded SNA in November in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.