James A. Sullivan, President and CTO at Koppers Holdings Inc. (KOP), sold 7,500 shares at $50.00 ($375K) on 2026-08-11, disclosed to the SEC on 2026-08-12.
Open-market sale of $375k KOP by President and CTO. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| KOP | SELL | 2024-03-06 | $16K | — | Filing → |
| KOP | SELL | 2024-03-05 | $1.1M | — | Filing → |
| KOP | SELL | 2023-12-15 | $27K | — | Filing → |