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sellModerate cluster of 3

Hobart Kalkstein sold $2.0M of CBT

Executive Vice President at CABOT CORP. 20,320 shares at an average of $100.82, traded Aug 19, 2024, filed Aug 21, 2024.

Warning score
50
Value
$2.0M
20,320 shares
Holdings after
61,688
-27% from before
From 52-week low
+56%
low $61.65, close $96.10
From 52-week high
-1%
high $97.47, as of Aug 19, 2024

Score components

  • Role
    Officer
    +15
  • Trade size
    $2.0M at market
    +25
  • Share of holdings sold
    Sold 27% of holdings
    +10
  • Cluster
    3 insiders selling within 14 days
    +15
  • 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.

This signal so far: 1m +9.6%, 3m +6.6%, 6m -11.8%.

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 13, 2026 · close 75.47
Since filing Aug 21, 2024: -21.6%SPY +42.4% · excess -64.0%

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 0000950170-24-099553, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 19, 2024MOption exercise
Common Stock
+14,863$40.97$609k76,551Aug 21, 2024
Aug 19, 2024SOpen-market sale
Common Stock
-14,863$100.91$1.5M61,688Aug 21, 2024
Aug 20, 2024MOption exercise
Common Stock
+4,379$40.97$179k66,067Aug 21, 2024
Aug 20, 2024SOpen-market sale
Common Stock
-4,379$100.93$442k61,688Aug 21, 2024
Aug 20, 2024MOption exercise
Common Stock
+1,078$40.97$44k62,766Aug 21, 2024
Aug 20, 2024SOpen-market sale
Common Stock
-1,078$99.16$107k61,688Aug 21, 2024
Aug 19, 2024MOption exercise
Employee Stock Option (Right to Buy)derivative
-14,863$0.00$05,457Aug 21, 2024
Aug 20, 2024MOption exercise
Employee Stock Option (Right to Buy)derivative
-4,379$0.00$01,078Aug 21, 2024
Aug 20, 2024MOption exercise
Employee Stock Option (Right to Buy)derivative
-1,078$0.00$00Aug 21, 2024

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%
23Weak
CBTsell
CABOT CORP
Sean D Keohane
President and CEO
$238k
2,779 shares
-1%
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%

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.

Hobart Kalkstein sold $2.0M of CBT | InsiderTell