Gregory B. Cook - Aug 4, 2023 Form 3 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: Aug 4, 2023
Transactions value $: $0
Form type: 3
Date filed: 8/10/2023, 04:34 PM
Next filing: Dec 8, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ECL	Common Stock						6.91K	Aug 4, 2023	Direct
holding	ECL	Common Stock						3.3K	Aug 4, 2023	By Ecolab Savings Plan	F1

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
holding	ECL	Employee Stock Option (Right to Buy)							Aug 4, 2023	Common Stock	3.08K	$119.12	Direct	F2
holding	ECL	Employee Stock Option (Right to Buy)							Aug 4, 2023	Common Stock	4.47K	$117.73	Direct	F2
holding	ECL	Employee Stock Option (Right to Buy)							Aug 4, 2023	Common Stock	3.8K	$137.09	Direct	F2
holding	ECL	Employee Stock Option (Right to Buy)							Aug 4, 2023	Common Stock	2.71K	$158.52	Direct	F2
holding	ECL	Employee Stock Option (Right to Buy)							Aug 4, 2023	Common Stock	2.72K	$184.39	Direct	F2
holding	ECL	Employee Stock Option (Right to Buy)							Aug 4, 2023	Common Stock	3.38K	$221.41	Direct	F2
holding	ECL	Employee Stock Option (Right to Buy)							Aug 4, 2023	Common Stock	7.03K	$223.78	Direct	F2
holding	ECL	Employee Stock Option (Right to Buy)							Aug 4, 2023	Common Stock	14.1K	$148.50	Direct	F2
holding	ECL	Restricted Stock Units							Aug 4, 2023	Common Stock	169		Direct	F3
holding	ECL	Restricted Stock Units							Aug 4, 2023	Common Stock	8.4K		Direct	F4

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

Explanation of Responses:

Id	Content
F1	Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of July 31, 2023. (The 3,299.088 UNITS are the equivalent of approximately 6,071 shares of the issuer's Common Stock.)
F2	Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option became or becomes 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.
F3	Each restricted stock unit represents a contingent right to receive one share of Ecolab Inc. common stock. The units will vest, subject to continued employment, as to 100% of the grant amount on February 25, 2024, which is the third anniversary of the date of grant.
F4	Each restricted stock unit represents a contingent right to receive one share of Ecolab Inc. common stock. The units will vest, subject to continued employment, as to 100% of the grant amount on May 4, 2026, which is the fourth anniversary of the date of grant.