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sellWeak

M Leroy Ball sold $231k of KOP

CEO at Koppers Holdings Inc.. 6,275 shares at an average of $36.87, traded Mar 2, 2026, filed Mar 4, 2026.

Warning score
38
Value
$231k
6,275 shares
Holdings after
450,273
-1% from before
From 52-week low
+56%
low $23.16, close $36.18
From 52-week high
-4%
high $37.56, as of Mar 2, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $231k at market
    +13
  • Share of holdings sold
    Sold 1.4% 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.

This signal so far: 1m -3.0%, 3m +12.3%, 6m +22.0%.

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 Mar 4, 2026: +13.3%SPY +14.5% · excess -1.2%

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 0001229771-26-000006, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 2, 2026SOpen-market sale
Common Stock
-2,184$36.53$80k454,364Mar 4, 2026
Mar 2, 2026SOpen-market sale
Common Stock
-328$37.45$12k454,036Mar 4, 2026
Mar 2, 2026SOpen-market sale
Common Stock
-3,763$37.02$139k450,273Mar 4, 2026
Mar 2, 2026GGift
Common Stock
-325$0.00$0449,948Mar 4, 2026

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%
51Moderate
KOPsell 4
Koppers Holdings Inc.
M Leroy Ball
CEO
$138k
3,000 shares
-1%
37Weak
KOPsell 4
Koppers Holdings Inc.
Stephen G Lucas
SVP, Culture and Engagement
$58k
1,308 shares
-4%
51Moderate
KOPsell 4
Koppers Holdings Inc.
James A. Sullivan
President and CTO
$375k
7,500 shares
-8%
70Notable
KOPsell 4
Koppers Holdings Inc.
James A. Sullivan
President and CTO
$4.0M
80,000 shares
-47%
40Moderate
KOPsell 4
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%

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.