Michael G. Mirt, President at HealthSpring, Inc. (HS), sold 8,300 shares at $54.50 ($452K) on 2011-12-15, disclosed to the SEC on 2011-12-19.
Open-market sale of $452k HS by President. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.