Insider · CIK 0001229771
M Leroy Ball
Files at: KOP, ATI. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 31, 2026 GForm 4 → | Sep 1, 4:23 pm EDT | Koppers Holdings Inc.KOP | 200 | — | — | 429,355 | — | |
| Aug 31, 2026 SForm 4 → | Sep 1, 4:23 pm EDT | Koppers Holdings Inc.KOP | 4,000 | $45.96 | $183,840 | 429,555 | −0.92% | |
| Aug 19, 2026 SForm 4 → | Aug 20, 4:08 pm EDT | Koppers Holdings Inc.KOP | 3,000 | $45.84 | $137,520 | 433,555 | −0.69% |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.