KOP
Koppers Holdings Inc.
Latest Form 4:Sale$138KbyBALL M LEROY (CEO) · filed Aug 20, 2026
Koppers Holdings Inc. (KOP) has 36 SEC Form 4 filings (80 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: Aug 20, 2026.
The most active filer is CEO BALL M LEROY with 6 filings. Insiders have net sold $5.4M over the trailing 6 months.
- Industry:Chemicals - Specialty
- CEO:Leroy Mangus Ball Jr.
- Employees:2,082
- HQ:Pittsburgh, PA, US
- IPO:2006-02-01
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$5.4M
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Market Cap
$876.0M
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| CEO | Sale | 3,000 | $138K | Aug 20 | SEC ↗ | |
Lucas Stephen GFirst filing | SVP, Culture and Engagement | Sale | 1,308 | $58K | Aug 13 | SEC ↗ |
| President and CTO | Sale | 7,500 | $375K | Aug 12 | SEC ↗ | |
Sullivan James A.First filing | President and CTO | Sale | 80,000 | $4.0M | Aug 11 | SEC ↗ |
Pearce Bradley AFirst filing | CAO | Sale | 2,000 | $102K | Aug 11 | SEC ↗ |
| CEO | Sale | 3,412 | $150K | Jun 23 | SEC ↗ | |
| CEO | Sale | 4,141 | $171K | Jun 15 | SEC ↗ | |
| CEO | Sale | 2,659 | $113K | May 14 | SEC ↗ | |
| CEO | Sale | 2,489 | $94K | Mar 18 | SEC ↗ | |
BALL M LEROYFirst filing | CEO | Sale | 6,275 | $231K | Mar 4 | SEC ↗ |
Related companies
Koppers Holdings Inc. is in the Manufacturing sector.