Gregory B. Cook - Dec 6, 2023 Form 4 Insider Report for ECOLAB INC. (ECL)

Role: EVP & PRES - INST GROUP
Signature: /s/ David F. Duvick, as Attorney-in-Fact for Gregory B. Cook
Stock symbol: ECL
Transactions as of: Dec 6, 2023
Transactions value $: $0
Form type: 4
Date filed: 12/8/2023, 05:33 PM
Previous filing: Aug 10, 2023
Next filing: Feb 23, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ECL	Common Stock						6.92K	Dec 6, 2023	Direct	F1
holding	ECL	Common Stock						3.31K	Dec 6, 2023	By Ecolab Savings Plan	F2

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	+11.6K		$0.00	11.6K	Dec 6, 2023	Common Stock	11.6K	$191.03	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The total includes 15.957 shares resulting from automatic dividend reinvestment in transactions exempt pursuant to Rule 16a-11 under Section 16 of the Securities Exchange Act of 1934.
F2	Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of November 30, 2023. Includes 10.388 UNITS acquired since the reporting person's last report. (The 3,309.476 UNITS are the equivalent of approximately 6,089 SHARES of the issuer's Common Stock.)
F3	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.