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sellModerate cluster of 6

Gregory B Cook sold $1.1M of ECL

EVP & PRES - INST GROUP at ECOLAB INC.. 3,519 shares at an average of $304.25, traded Feb 26, 2026, filed Feb 27, 2026.

Warning score
45
Value
$1.1M
3,519 shares
Holdings after
11,673
-23% from before
From 52-week low
+37%
low $222.13, close $304.30
From 52-week high
-0%
high $305.69, as of Feb 26, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.1M at market
    +25
  • Share of holdings sold
    Sold 23% of holdings
    +5
  • Cluster
    6 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 -15.0%, 3m -16.8%, 6m -6.5%.

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.

ECLOct 13, 2026 · close 285.66
Since filing Feb 27, 2026: -6.6%SPY +14.3% · excess -20.9%

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 0001989181-26-000006, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 26, 2026MOption exercise
Common Stock
+3,800$137.09$521k15,192Feb 27, 2026
Feb 26, 2026SOpen-market sale
Common Stock
-3,519$304.25$1.1M11,673Feb 27, 2026
Feb 26, 2026MOption exercise
Employee Stock Option (Right to Buy)derivative
-3,800$0.00$00Feb 27, 2026

Related signals

Other insiders at ECOLAB INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
ECLbuy
ECOLAB INC.
Eric Mark Green
director
$1.0M
3,690 shares
+87%
63Notable
ECLsell 2
ECOLAB INC.
Christophe Beck
CHAIRMAN, PRESIDENT & CEO
$5.0M
17,862 shares
-20%
70Notable
ECLsell 3
ECOLAB INC.
Gregory B Cook
Co-COO - Global Businesses
$1.3M
4,567 shares
-28%
44Moderate
ECLsell 2
ECOLAB INC.
Scott D Kirkland
CHIEF FINANCIAL OFFICER
$930k
3,357 shares
-16%
56Moderate
ECLbuy 2
ECOLAB INC.
Benjamin M. Clark
EVP - Global Supply Chain
$264k
1,000 shares
+1211%
72Notable
ECLbuy 2
ECOLAB INC.
Michel D Doukeris
director
$2.0M
7,750 shares
+1345%
43Moderate
ECLsell 2
ECOLAB INC.
Darrell R Brown
Co-COO - Global Markets
$2.6M
10,000 shares
-23%
21Weak
ECLsell 2
ECOLAB INC.
Suzanne M Vautrinot
director
$266k
1,004 shares
-8%
47Moderate
ECLbuy
ECOLAB INC.
David MacLennan
director
$251k
1,000 shares
+4%
41Moderate
ECLbuy
ECOLAB INC.
David MacLennan
director
$206k
800 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.

Gregory B Cook sold $1.1M of ECL | InsiderTell