David J. Gallitano, Director at HANOVER INSURANCE GROUP, INC. (THG), bought 5,000 shares at $39.93 ($200K) on 2011-05-25, disclosed to the SEC on 2011-05-26.
Seasonal purchase ($200k) by Director — this insider has traded THG in May in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.