Jianzhong Zhu, VP, China Operations at Koppers Holdings Inc. (KOP), sold 8,800 shares at $42.57 ($375K) on 2018-06-08, disclosed to the SEC on 2018-06-12.
Open-market sale of $375k KOP by VP, China Operations. 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.