SEC Form 3 · accession 0001628280-26-054920

ECOLAB INC. · ECL

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — SVP & Corporate Controller

Period of report

Aug 7, 2026

Accepted (ET)

Aug 7, 2026 · 5:06 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0000031462

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock	holding	—	—		—	1,450	D
Common Stock^F1	holding	—	—		—	293	I	By Ecolab Savings Plan

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Employee Stock Option (Right to Buy)^F2	$158.515	holding	—	—	—	Dec 4, 2019	Dec 4, 2028	Common Stock	2,511	—	D
Employee Stock Option (Right to Buy)^F2	$184.39	holding	—	—	—	Dec 3, 2020	Dec 3, 2029	Common Stock	2,179	—	D
Employee Stock Option (Right to Buy)^F2	$221.41	holding	—	—	—	Dec 3, 2021	Dec 3, 2030	Common Stock	2,256	—	D
Employee Stock Option (Right to Buy)^F2	$223.78	holding	—	—	—	Dec 1, 2022	Dec 1, 2031	Common Stock	2,510	—	D
Employee Stock Option (Right to Buy)^F2	$148.495	holding	—	—	—	Dec 7, 2023	Dec 7, 2032	Common Stock	4,235	—	D
Employee Stock Option (Right to Buy)^F2	$191.03	holding	—	—	—	Dec 6, 2024	Dec 6, 2033	Common Stock	2,678	—	D
Employee Stock Option (Right to Buy)^F2	$247.495	holding	—	—	—	Dec 4, 2025	Dec 4, 2034	Common Stock	1,997	—	D
Employee Stock Option (Right to Buy)^F2	$268.515	holding	—	—	—	Dec 3, 2026	Dec 3, 2035	Common Stock	2,300	—	D
Restricted Stock Units^F3	$0.00	holding	—	—	—	Nov 2, 2026	Nov 2, 2026	Common Stock	2,948	—	D

F1Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of July 31, 2026. (The 292.826 UNITS are the equivalent of approximately 537 SHARES of the issuer's Common Stock.)
F2The 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.
F3Each 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 units on the 3rd anniversary of the date of grant. The date listed in the "Date Exercisable" column is the third anniversary of the date of grant.