M. Leroy Ball, CEO at Koppers Holdings Inc. (KOP), sold 2,659 shares at $42.55 ($113K) on 2026-05-13, disclosed to the SEC on 2026-05-14.
Open-market sale of $113k KOP by CEO. 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 | 2026-06-23 | $150K | — | Filing → |
| KOP | SELL | 2026-06-15 | $171K | — | Filing → |
| KOP | SELL | 2026-03-18 | $94K | — | Filing → |