Hua Shan, Director at CERUS CORP (CERS), bought 2,500 shares at $1.99 ($5K) on 2024-05-13, disclosed to the SEC on 2024-05-14.
Open-market purchase of $5k 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.