Management Iii Llc Vef, 10% Owner at IMPERVA INC (IMPV), bought 153,369 shares at $18.00 ($2.8M) on 2011-11-09, disclosed to the SEC on 2011-11-09.
Open-market purchase of $2.8M IMPV 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.