Ted B. Miller Jr., Director at AIRGAS INC (ARG), bought 10,000 shares at $64.50 ($645K) on 2011-02-16, disclosed to the SEC on 2011-02-17.
Open-market purchase of $645k ARG 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.