Bj Cassin, Director at CERUS CORP (CERS), bought 100,000 shares at $0.71 ($71K) on 2008-12-15, disclosed to the SEC on 2008-12-17.
Open-market purchase of $71k CERS 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.