Wolfe H. Bragin, Director at ARCH CAPITAL GROUP LTD. (ACGL), sold 7,821 shares at $38.42 ($300K) on 2012-05-23, disclosed to the SEC on 2012-05-24.
Seasonal sale ($300k) by Director — this insider has traded ACGL in May in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.