Ronald M. Cresswell, Director at AASTROM BIOSCIENCES INC (ASTM), bought 20,000 shares at $2.19 ($44K) on 2011-03-24, disclosed to the SEC on 2011-03-28.
Open-market purchase of $44k ASTM by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.