John E. And Lois A. Rogers, 10% Owner at ADURO BIOTECH, INC. (ADRO), bought 147,058 shares at $17.00 ($2.5M) on 2015-04-20, disclosed to the SEC on 2015-04-22.
Open-market purchase of $2.5M ADRO by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Negative factors outweigh the positive ones.