George E. Poston, Director at KRONOS WORLDWIDE INC (KRO), bought 6,500 shares at $20.49 ($133K) on 2012-05-11, disclosed to the SEC on 2012-05-14.
Seasonal purchase ($133k) by Director — this insider has traded KRO in May in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.