Richard Hui, VP, Global Sales at CABOT MICROELECTRONICS CORP (CCMP), sold 3,550 shares at $62.80 ($223K) on 2016-12-08, disclosed to the SEC on 2016-12-12.
Open-market sale of $223k CCMP by VP, Global Sales. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.