John E. Doherty, 10% Owner at PROTALEX INC (PRTX.OB), bought 111,111 shares at $2.25 ($250K) on 2005-12-30, disclosed to the SEC on 2006-01-04.
Open-market purchase of $250k PRTX.OB 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.