Pierre Lortie, Director at ALTAIR NANOTECHNOLOGIES INC (ALTI), bought 10,000 shares at $0.73 ($7K) on 2010-03-30, disclosed to the SEC on 2010-03-31.
Open-market purchase of $7k ALTI by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.