Karen M. Bomba, Chief Operating Officer at ZOLTEK COMPANIES INC (ZOLT), bought 1,000 shares at $8.70 ($9K) on 2010-06-09, disclosed to the SEC on 2010-06-11.
Open-market purchase of $9k ZOLT by Chief Operating Officer. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.