Russell K. Mayerfeld, Director at HealthSpring, Inc. (HS), bought 4,000 shares at $18.00 ($72K) on 2008-05-07, disclosed to the SEC on 2008-05-08.
Open-market purchase of $72k HS by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Something here stands out, but not much.