Margeaux M. King - 25 Feb 2026 Form 4 Insider Report for ECOLAB INC. (ECL)

Reporting relationship: EVP - Human Resources
Issuer ticker: ECL
Reported as of: 25 Feb 2026
Net transaction value: -$161,334
SEC form: 4
Accepted by SEC: 26 Feb 2026, 16:36:53 UTC
Prior SEC filing: 05 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Corinne Lawson, as Attorney-in-Fact for Margeaux M. King

Key filing fact

Margeaux M. King filed Form 4 for ECOLAB INC. (ECL) on 26 Feb 2026.

Key facts

This page summarizes Margeaux M. King's Form 4 filing for ECOLAB INC. (ECL).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 26 Feb 2026, 16:36.

Change

Previous filing in this sequence was filed on 05 Dec 2025.
Current net transaction value: -$161,334.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001940649 Primary reporting owner

King Margeaux

Relationship: EVP - Human Resources
Address: 1 ECOLAB PLACE, ST. PAUL
Signature: /s/ Corinne Lawson, as Attorney-in-Fact for Margeaux M. King
Signature date: 25 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ECL transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +1,662
Change %: +13850%
Price: $0.000000
Shares after: 1,674
Date: 25 Feb 2026
Ownership: Direct

ECL transaction

Common Stock

Tax liability

Transaction value: $161,334
Shares: -527
Change %: -31%
Price: $306.04
Shares after: 1,147
Date: 25 Feb 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ECL transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -1,662
Change %: -33%
Price: $0.000000
Shares after: 3,326
Date: 25 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,662
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Reflects the reporting person's payment of minimum statutory tax obligations by withholding shares of Ecolab Common Stock incident to the vesting of restricted stock units in accordance with Rule 16b-3.

Footnote F2

Restricted stock units convert into common stock on a one-for-one basis.

Footnote F3

Represents the first (out of three) vesting of units from the grant of 4,988 restricted stock units made on February 25, 2025. The vesting schedule for the grant provided for the units to vest, subject to continued employment, as to one-third of the units (excluding any fractional portion less than one unit), on each of the first and second anniversaries of the date of grant and as to the remaining units on the third anniversary of the date of grant.