Janet L. Walsh, Vice President at MINERALS TECHNOLOGIES INC (MTX), bought 20 shares at $54.80 ($1K) on 2011-08-08, disclosed to the SEC on 2011-08-17.
Open-market purchase of $1k MTX by Vice President. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Something here stands out, but not much.