StockCIK 1315257
Koppers Holdings Inc. (KOP): Insider Trades and Fund Holdings
In the past 12 months, Koppers Holdings Inc. insiders reported 0 open-market purchases worth $0 and 3 sales worth $380K; 0 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$380KSold by insiders, 12 months
0Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 1, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 1 | M. Leroy BallCEO | ▼ SELL | $184K |
| Aug 20 | M. Leroy BallCEO | ▼ SELL | $138K |
| Aug 13 | Stephen G. LucasSVP | ▼ SELL | $58K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| M. Leroy Ball | CEO | 0 | $0 | 2 | $321K |
| Stephen G. Lucas | SVP | 0 | $0 | 1 | $58K |
Tracked funds that report KOP
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 0 | $0 | ▼ Sold out |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →