Mark J. Richardson, Director at SOLAR3D, INC. (MACH), bought 1,050,000 shares at $0.01 ($11K) on 2010-10-04, disclosed to the SEC on 2010-10-07.
Open-market purchase of $10k MACH 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.