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 below 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
4 transactions
Insiders selling
5
5 transactions
Purchases
$2.7M
10,550 shares
Sales
$10.1M
36,790 shares
Net activity
-$7.4M
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 $10.1M 5 transactions · 36,790 shares

Largest single sale: $5.0M.

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

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.