Katherine Lyon Davis, Director at CHEMBIO DIAGNOSTICS, INC. (CEMI), bought 40,000 shares at $0.20 ($8K) on 2010-05-12, disclosed to the SEC on 2010-05-14.
Open-market purchase of $8k CEMI by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Something here stands out, but not much.
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