Jennifer J. Bradway - 13 Aug 2025 Form 4 Insider Report for ECOLAB INC. (ECL)

Role: SVP & CORPORATE CONTROLLER
Signature: /s/ Corinne Lawson, as Attorney-in-Fact for Jennifer J. Bradway
Issuer symbol: ECL
Transactions as of: 13 Aug 2025
Net transactions value: -$108,473
Form type: 4
Filing time: 15 Aug 2025, 16:37:16 UTC
Previous filing: 27 Feb 2025
Next filing: 05 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Bradway Jennifer J	SVP & CORPORATE CONTROLLER	1 ECOLAB PLACE, ST. PAUL	/s/ Corinne Lawson, as Attorney-in-Fact for Jennifer J. Bradway	15 Aug 2025	0001902394

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ECL	Common Stock	Options Exercise	$116,906	+993	+24%	$117.73	5,133	13 Aug 2025	Direct
transaction	ECL	Common Stock	Sale	$225,379	-807	-16%	$279.28	4,326	13 Aug 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)	Options Exercise	$0	-993	-100%	$0.000000	0	13 Aug 2025	Common Stock	993	$117.73	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option became 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 option shares on the third anniversary of the date of grant. The date listed is the first anniversary of the date of grant.

Content

Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option became 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 option shares on the third anniversary of the date of grant. The date listed is the first anniversary of the date of grant.