M Leroy Ball sold $184k of KOP
CEO at Koppers Holdings Inc.. 4,000 shares at an average of $45.96, traded Aug 31, 2026, filed Sep 1, 2026.
Score components
- +25RoleCEO
- +12Trade size$184k at market
- 0Share of holdings soldSold 0.9% of holdings
- 0ClusterNo other insider 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 0001229771-26-000020, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 31, 2026 | SOpen-market sale Common Stock | -4,000 | $45.96 | $184k | 429,555 | 42 d ago |
| Aug 31, 2026 | GGift Common Stock | -200 | $0.00 | $0 | 429,355 | 42 d ago |
Related signals
Other insiders at Koppers Holdings Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 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% | |
| 33Weak | KOPsell Koppers Holdings Inc. | M Leroy Ball CEO | $75k 2,448 shares | -1% | |
| 35Weak | KOPsell Koppers Holdings Inc. | M Leroy Ball CEO | $111k 3,784 shares | -1% | |
| 37Weak | Koppers Holdings Inc. | M Leroy Ball CEO | $224k 6,000 shares | -2% | |
| 41Moderate | Koppers Holdings Inc. | Stephen R Tritch director | $131k 3,533 shares | -7% | |
| 41Moderate | Koppers Holdings Inc. | M Leroy Ball CEO | $413k 11,103 shares | -3% |
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.