Steven D. Gardner, Insider at RUDOLPH TECHNOLOGIES INC (RTEC), sold 6,000 shares at $25.21 ($151K) on 2018-02-14, disclosed to the SEC on 2018-02-15.
Seasonal sale ($151k) 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.