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sellWeak

M Leroy Ball sold $75k of KOP

CEO at Koppers Holdings Inc.. 2,448 shares at an average of $30.48, traded Aug 15, 2025, filed Aug 18, 2025.

Warning score
33
Value
$75k
2,448 shares
Holdings after
357,308
-1% from before
From 52-week low
+26%
low $23.16, close $29.26
From 52-week high
-24%
high $38.56, as of Aug 15, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $75k at market
    +8
  • Share of holdings sold
    Sold 0.7% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0

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.

KOPOct 9, 2026 · close 43.41
Since filing Aug 18, 2025: +48.3%SPY +22.7% · excess +25.6%

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 0000950170-25-109748, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 15, 2025SOpen-market sale
Common Stock
-2,448$30.48$75k357,308Aug 18, 2025

Related signals

Other insiders at Koppers Holdings Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
37Weak
KOPsell
Koppers Holdings Inc.
M Leroy Ball
CEO
$184k
4,000 shares
-1%
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%
35Weak
KOPsell
Koppers Holdings Inc.
M Leroy Ball
CEO
$111k
3,784 shares
-1%
37Weak
KOPsell 3
Koppers Holdings Inc.
M Leroy Ball
CEO
$224k
6,000 shares
-2%
41Moderate
KOPsell 3
Koppers Holdings Inc.
Stephen R Tritch
director
$131k
3,533 shares
-7%
41Moderate
KOPsell 3
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.