Ian Williams, Director at VION PHARMACEUTICALS INC (VION), bought 5,000 shares at $1.66 ($8K) on 2007-03-09, disclosed to the SEC on 2007-03-13.
Open-market purchase of $8k VION 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.