John J. Zillmer - 13 Feb 2026 Form 4 Insider Report for ECOLAB INC. (ECL)

Reporting relationship: Director
Issuer ticker: ECL
Reported as of: 13 Feb 2026
Net transaction value: +$75.92
SEC form: 4
Accepted by SEC: 17 Feb 2026, 16:46:30 UTC
Prior SEC filing: 05 Jan 2026
Next SEC filing: 02 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Corinne Lawson, as Attorney-in-Fact for John J. Zillmer

Key filing fact

John J. Zillmer filed Form 4 for ECOLAB INC. (ECL) on 17 Feb 2026.

Key facts

This page summarizes John J. Zillmer's Form 4 filing for ECOLAB INC. (ECL).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 17 Feb 2026, 16:46.

Change

Previous filing in this sequence was filed on 05 Jan 2026.
Current net transaction value: +$75.92.

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 0001188262 Primary reporting owner

ZILLMER JOHN J

Relationship: Director
Address: C/O ECOLAB INC., 1 ECOLAB PLACE, ST. PAUL
Signature: /s/ Corinne Lawson, as Attorney-in-Fact for John J. Zillmer
Signature date: 17 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: $264,672
Shares: +2,300
Change %: +4.8%
Price: $115.08
Shares after: 49,891
Date: 13 Feb 2026
Ownership: Direct

ECL transaction

Common Stock

Tax liability

Transaction value: $264,597
Shares: -879
Change %: -1.8%
Price: $301.02
Shares after: 49,012
Date: 13 Feb 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

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

ECL transaction Derivative

Non-Employee Stock Option (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -2,300
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 13 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,300
Exercise price: $115.08
Footnotes: F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Reflects the reporting person's payment of the exercise price for a stock option issued in accordance with Rule 16b-3 by delivering or withholding shares of Ecolab common stock.

Footnote F2

The option became exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.