William Otis, Director at PURE BIOSCIENCE, INC. (PURE), bought 20,000 shares at $0.85 ($17K) on 2014-08-01, disclosed to the SEC on 2014-08-05.
Open-market purchase of $17k PURE 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.