Jeffrey Stuart Brown, CEO at SIERRA MONITOR CORP /CA/ (SRMC), bought 4,000 shares at $1.35 ($5K) on 2017-11-22, disclosed to the SEC on 2017-11-22.
Open-market purchase of $5k SRMC by CEO. 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.