Renato Zambonini, Director at PARAMETRIC TECHNOLOGY CORP (PMTC), bought 10,000 shares at $17.95 ($180K) on 2011-08-16, disclosed to the SEC on 2011-08-17.
Open-market purchase of $180k PMTC by Director. 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.