T. Grant John, Director at Horsehead Holding Corp (ZINC), bought 5,000 shares at $9.69 ($48K) on 2011-08-12, disclosed to the SEC on 2011-08-15.
Open-market purchase of $48k ZINC 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.