Robert B. Shapiro, Director at INTREXON CORP (XON), bought 2,850 shares at $17.50 ($50K) on 2017-08-22, disclosed to the SEC on 2017-08-23.
Open-market purchase of $50k XON by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Nothing distinguishes this filing.