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Sean D Keohane sold $238k of CBT

President and CEO at CABOT CORP. 2,779 shares at an average of $85.50, traded Aug 24, 2026, filed Aug 26, 2026.

Warning score
23
Value
$238k
2,779 shares
Holdings after
288,873
-1% from before
From 52-week low
+46%
low $57.32, close $83.41
From 52-week high
-10%
high $92.88, as of Aug 24, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $238k at market
    +13
  • Share of holdings sold
    Sold 1.0% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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.

CBTOct 9, 2026 · close 74.91
Since filing Aug 26, 2026: -10.9%SPY +1.8% · excess -12.7%

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 0001193125-26-367204, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 24, 2026MOption exercise
Common Stock
+2,779$50.00$139k291,652Aug 26, 2026
Aug 24, 2026SOpen-market sale
Common Stock
-2,779$85.50$238k288,873Aug 26, 2026
Aug 24, 2026MOption exercise
Employee Stock Option (Right to Buy)derivative
+2,779$0.00$0134,895Aug 26, 2026

Related signals

Other insiders at CABOT CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
45Moderate
CBTsell
CABOT CORP
Sean D Keohane
President and CEO
$11M
134,895 shares
-25%
40Moderate
CBTsell
CABOT CORP
Sean D Keohane
President and CEO
$7.9M
91,923 shares
-19%
45Moderate
CBTsell
CABOT CORP
Sean D Keohane
President and CEO
$9.1M
114,436 shares
-25%
40Moderate
CBTsell 3
CABOT CORP
Lisa M Dumont
VP, Controller & CAO
$97k
865 shares
-8%
60Notable
CBTsell 3
CABOT CORP
Jeff Ji Zhu
Executive Vice President
$1.6M
14,566 shares
-17%
60Notable
CBTsell 3
CABOT CORP
Hobart Kalkstein
Executive Vice President
$4.0M
34,759 shares
-54%
50Moderate
CBTsell 3
CABOT CORP
Sean D Keohane
President and CEO
$2.6M
25,617 shares
-7%
57Moderate
CBTsell 4
CABOT CORP
Erica McLaughlin
Executive Vice President, CFO
$1.7M
16,390 shares
-25%
60Notable
CBTsell 4
CABOT CORP
Jeff Ji Zhu
Executive Vice President
$1.6M
14,912 shares
-15%
50Moderate
CBTsell 3
CABOT CORP
Hobart Kalkstein
Executive Vice President
$2.0M
20,320 shares
-27%

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.

Sean D Keohane sold $238k of CBT | InsiderTell