Michael F. Goodrich, Insider at RUDOLPH TECHNOLOGIES INC (RTEC), sold 2,500 shares at $25.30 ($63K) on 2018-02-15, disclosed to the SEC on 2018-02-20.
Seasonal sale ($63k) by Insider — this insider has traded RTEC in February in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.