M Leroy Ball sold $138k of KOP
CEO at Koppers Holdings Inc.. 3,000 shares at an average of $45.84, traded Aug 19, 2026, filed Aug 20, 2026.
Score components
- +25RoleCEO
- +11Trade size$138k at market
- 0Share of holdings soldSold 0.7% of holdings
- +15Cluster4 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001229771-26-000018, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | SOpen-market sale Common Stock | -3,000 | $45.84 | $138k | 433,555 | Aug 20, 2026 |
Related signals
Other insiders at Koppers Holdings Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 37Weak | KOPsell Koppers Holdings Inc. | M Leroy Ball CEO | $184k 4,000 shares | -1% | |
| 37Weak | Koppers Holdings Inc. | Stephen G Lucas SVP, Culture and Engagement | $58k 1,308 shares | -4% | |
| 51Moderate | Koppers Holdings Inc. | James A. Sullivan President and CTO | $375k 7,500 shares | -8% | |
| 70Notable | Koppers Holdings Inc. | James A. Sullivan President and CTO | $4.0M 80,000 shares | -47% | |
| 40Moderate | Koppers Holdings Inc. | Bradley A Pearce CAO | $102k 2,000 shares | -5% | |
| 36Weak | KOPsell Koppers Holdings Inc. | M Leroy Ball CEO | $150k 3,412 shares | -1% | |
| 36Weak | KOPsell Koppers Holdings Inc. | M Leroy Ball CEO | $171k 4,141 shares | -1% | |
| 35Weak | KOPsell Koppers Holdings Inc. | M Leroy Ball CEO | $113k 2,659 shares | -1% | |
| 35Weak | KOPsell Koppers Holdings Inc. | M Leroy Ball CEO | $94k 2,489 shares | -1% | |
| 38Weak | KOPsell Koppers Holdings Inc. | M Leroy Ball CEO | $231k 6,275 shares | -1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.