KOP
Koppers Holdings Inc. · Manufacturing · Market cap $781.8M
Insiders sold $5.2M net in the last 90 days ·4 sellers, 0 buyers· latest Form 4 filed Sep 1, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$5.6M
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Latest filing
Sep 1, 2026
BALL M LEROY
Koppers Holdings Inc. (KOP) has 37 SEC Form 4 filings (82 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: Sep 1, 2026.
Inside the rolling window, 4 insiders at Koppers Holdings Inc. reported no open-market purchases and 11 open-market sales totaling $5.6M. The most active filer is CEO BALL M LEROY with 7 filings. Insiders have net sold $5.4M over the trailing 6 months. The most recent open-market filing is a sale of 4,000 shares by CEO BALL M LEROY, dated Aug 31, 2026, worth $184K.
- Industry:Chemicals - Specialty
- CEO:Leroy Mangus Ball Jr.
- Employees:1,859
- HQ:Pittsburgh, PA, US
- IPO:2006-02-01
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CEO | Sale | 4,000 | $184K | Sep 1 | -10.0% | SEC ↗ | |
| CEO | Sale | 3,000 | $138K | Aug 20 | -9.9% | SEC ↗ | |
Lucas Stephen GFirst filing | SVP, Culture and Engagement | Sale | 1,308 | $58K | Aug 13 | -10.6% | SEC ↗ |
| President and CTO | Sale | 7,500 | $375K | Aug 12 | -8.8% | SEC ↗ | |
Sullivan James A.First filing | President and CTO | Sale | 80,000 | $4.0M | Aug 11 | -10.1% | SEC ↗ |
Pearce Bradley AFirst filing | CAO | Sale | 2,000 | $102K | Aug 11 | -10.1% | SEC ↗ |
| CEO | Sale | 3,412 | $150K | Jun 23 | -3.6% | SEC ↗ | |
| CEO | Sale | 4,141 | $171K | Jun 15 | -6.9% | SEC ↗ | |
| CEO | Sale | 2,659 | $113K | May 14 | -2.5% | SEC ↗ | |
| CEO | Sale | 2,489 | $94K | Mar 18 | — | SEC ↗ | |
BALL M LEROYFirst filing | CEO | Sale | 6,275 | $231K | Mar 4 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does KOP have?
Koppers Holdings Inc. (KOP) has 37 SEC Form 4 filings (82 transaction rows) in the rolling 365-day window, disclosed by 4 distinct insiders. Most recent filing: Sep 1, 2026.
When was the most recent SEC Form 4 filing for KOP?
The most recent Form 4 filing for KOP on Tracefour is dated Sep 1, 2026.
Who is the most active insider at KOP?
The most active SEC Form 4 filer at KOP in the rolling window is CEO BALL M LEROY, with 7 filings.
What is the net insider flow at KOP over the last 6 months?
Over the trailing 180 days, insiders at KOP have net sold $5.4M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at KOP in the current window?
Inside the rolling window, insiders at KOP bought $0 and sold $5.6M based on SEC Form 4 filings.
Can I get alerts for KOP insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Koppers Holdings Inc. (KOP). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Koppers Holdings Inc. is in the Manufacturing sector.