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Insider selling
James A. Sullivan sold $4M of Koppers Holdings Inc. (KOP) stock
James A. Sullivan, President and CTO of Koppers Holdings Inc. (KOP), sold 80,000 shares of KOP stock worth $4M, per an SEC Form 4 filed Aug 11, 2026.
It was an open-market sale.
The trade happened on Aug 7, 2026, 4 days before it was made public.
KOP has moved -10.0% since the trade date, from $51.24 to $46.10 (Sep 22, 2026 close).
- Traded
- Aug 7, 2026
- Disclosed
- Aug 11, 2026
- Filing delay
- 4 days
- Price since
- -10.0%
- Role
- President and CTO
- Source
- SEC Form 4
More KOP insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.