A. M. A. Hlila - Dec 3, 2025 Form 4 Insider Report for ECOLAB INC. (ECL)

Signature
/s/ Youhao Dong, as Attorney-in-Fact for Alexandra M. A. Hlila
Stock symbol
ECL
Transactions as of
Dec 3, 2025
Transactions value $
$0
Form type
4
Date filed
12/5/2025, 04:16 PM
Previous filing
Feb 21, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hlila Alexandra M A EVP & GM - GLOBAL PEST 1 ECOLAB PLACE, ST. PAUL /s/ Youhao Dong, as Attorney-in-Fact for Alexandra M. A. Hlila 2025-12-05 0002048754

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding ECL Common Stock 85.2 Dec 3, 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ECL Employee Stock Option (Right to Buy) Award $0 +4.33K $0.00 4.33K Dec 3, 2025 Common Stock 4.33K $268.52 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option will be exercisable, on a cumulative basis, as to one-third of the option shares (excluding any fractional portion less than one share), on each of the first and second anniversaries of the date of grant and as to the remaining shares on the third anniversary of the date of grant. The date listed in the Date Exercisable column is the first anniversary of the date of grant.