Securities & Co. Ref, 10% Owner at ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/ (HRT), bought 6,800 shares at $6.25 ($43K) on 2015-08-28, disclosed to the SEC on 2015-09-25.
Open-market purchase of $42k HRT 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.