KOP insider trading — Koppers Holdings Inc.
Over the last 90 days, insiders at Koppers Holdings Inc. (KOP) made 0 open-market purchases worth $0 and 6 open-market sales worth $4.86M, making them net sellers by $4.86M. The largest sale was by Sullivan James A. (President and CTO), who sold 80,000 shares for $4.00M on Aug 7, 2026.
Updated Oct 16, 2026.
Recent KOP insider transactions
Every Form 4 filed by Koppers Holdings Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 31, 2026 | Ball M Leroy | CEO | S · Sale | Direct | 4,000 | $45.96 | $184K | Form 4 |
| Aug 31, 2026 | Ball M Leroy | CEO | G · Gift | Direct | 200 | — | — | Form 4 |
| Aug 19, 2026 | Ball M Leroy | CEO | S · Sale | Direct | 3,000 | $45.84 | $138K | Form 4 |
| Aug 12, 2026 | Lucas Stephen G | SVP, Culture and Engagement | S · Sale | Direct | 1,308 | $44.55 | $58K | Form 4 |
| Aug 11, 2026 | Sullivan James A. | President and CTO | S · Sale | Direct | 7,500 | $50.00 | $375K | Form 4 |
| Aug 10, 2026 | Pearce Bradley A | CAO | S · Sale | Direct | 2,000 | $51.01 | $102K | Form 4 |
| Aug 7, 2026 | Sullivan James A. | President and CTO | S · Sale | Direct | 80,000 | $50.01 | $4.00M | Form 4 |
KOP insider trading FAQ
Are insiders buying KOP stock?
Not on the open market. In the last 90 days, Koppers Holdings Inc. insiders made no open-market purchases, and 6 open-market sales totaling $4.86M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading KOP?
Recent sellers: Ball M Leroy, Lucas Stephen G, Pearce Bradley A, Sullivan James A..
Where does KOP insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.