William D. Horsfall, Director at AMERON INTERNATIONAL CORP (AMN), bought 300 shares at $68.89 ($21K) on 2007-04-11, disclosed to the SEC on 2007-04-12.
Open-market purchase of $21k AMN 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.