Van Herk Management Services B.V., 10% Owner at MARRONE BIO INNOVATIONS INC (MBII), bought 200 shares at $1.50 ($300) on 2019-02-14, disclosed to the SEC on 2019-02-25.
Open-market purchase of $300 MBII 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.