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buyModerate

David MacLennan bought $251k of ECL

director at ECOLAB INC.. 1,000 shares at an average of $250.65, traded May 13, 2026, filed May 14, 2026.

Conviction score
47
Value
$251k
1,000 shares
Holdings after
25,230
+4% from before
From 52-week low
+1%
low $246.25, close $248.28
From 52-week high
-19%
high $305.88, as of May 13, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $251k at market
    +13
  • Relative to holdings
    Holdings up 4.1%
    0
  • Price context
    1% above the 52-week low; 19% below the 52-week high
    +14
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    2 buys in 90 days
    +5
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

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.

ECLOct 9, 2026 · close 281.83
Since filing May 14, 2026: +13.8%SPY +4.6% · excess +9.3%

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 0001498535-26-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 13, 2026POpen-market purchase
Common Stock
+1,000$250.65$251k25,230May 14, 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%
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%
41Moderate
ECLbuy
ECOLAB INC.
David MacLennan
director
$206k
800 shares
+3%
45Moderate
ECLsell 6
ECOLAB INC.
Gregory B Cook
EVP & PRES - INST GROUP
$1.1M
3,519 shares
-23%
36Weak
ECLsell 6
ECOLAB INC.
Tracy B McKibben
director
$390k
1,265 shares
-10%
55Moderate
ECLsell 6
ECOLAB INC.
Christophe Beck
CHAIRMAN & CEO
$6.1M
20,000 shares
-18%
60Notable
ECLsell 6
ECOLAB INC.
Nicholas J. Alfano
EVP & PRES - GLOBAL WATER
$2.9M
9,501 shares
-67%

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.