ECL Ecolab Inc.

NYSE
$276.18

Ecolab Inc. (ECL) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal In line Selling ran in line with ECL's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 3 sellers in the last 90 days
Insiders buying
3
5 transactions
Insiders selling
10
15 transactions
Purchases
$2.9M
11,300 shares
Sales
$27.1M
95,824 shares
Net activity
-$24.2M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $27.1M 15 transactions · 95,824 shares

Largest single sale: $5.6M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: June 11, 2026 , by Clark Benjamin M. .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Beck Christophe CHAIRMAN, PRESIDENT & CEO Sell 17,862 $280.14 $5.0M 72,932 −19.7% of holding
Cook Gregory B Co-COO - Global Businesses Sell 4,567 $285.13 $1.3M 11,673 −28.1% of holding
Kirkland Scott D CHIEF FINANCIAL OFFICER Sell 3,357 $276.96 $929.8K 17,524 −16.1% of holding
Clark Benjamin M. EVP - Global Supply Chain Buy 1,000 $263.83 $263.8K 1,083
Doukeris Michel D Director Buy 7,750 $258.00 $2.0M 8,326
Brown Darrell R Co-COO - Global Markets Sell 10,000 $260.89 $2.6M 32,733 −23.4% of holding
Vautrinot Suzanne M Director Sell 1,004 $264.98 $266.0K 11,651 −7.9% of holding
MacLennan David Director Buy 1,000 $250.65 $250.7K 25,230
MacLennan David Director Buy 800 $256.91 $205.5K 24,230
Cook Gregory B EVP & PRES - INST GROUP Sell 3,519 $304.25 $1.1M 11,673 −23.2% of holding
McKibben Tracy B Director Sell 1,265 $308.66 $390.5K 11,358 −10% of holding
Beck Christophe 2 fills CHAIRMAN & CEO Sell 20,000 $307.37 $6.1M 92,674 −17.8% of holding
Alfano Nicholas J. EVP & PRES - GLOBAL WATER Sell 9,501 $303.58 $2.9M 4,722 −66.8% of holding
REICH VICTORIA Director Sell 1,000 $301.08 $301.1K 25,176 −3.8% of holding
Bradway Jennifer J SVP & CORPORATE CONTROLLER Sell 613 $302.01 $185.1K 4,706 −11.5% of holding
MacLennan David Director Buy 750 $257.60 $193.2K 23,035
De Boo Alexander A. EVP & PRES - GLOBAL MARKETS Sell 1,422 $268.25 $381.5K 5,726 −19.9% of holding
Beck Christophe 2 fills CHAIRMAN & CEO Sell 21,714 $261.41 $5.7M 77,106 −22% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.