Stephanie Monaghan OBrien, Director at ADURO BIOTECH, INC. (ADRO), bought 1,700 shares at $17.00 ($29K) on 2015-04-20, disclosed to the SEC on 2015-04-22.
Open-market purchase of $29k ADRO 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.