[144] ECOLAB INC. SEC Filing

Morgan Stanley Smith Barney LLC reported the sale of Common Stock related to a stock option exercise.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC reported the sale of Common Stock related to a stock option exercise. The excerpt lists 20,000 Common Stock and a separate broker-assisted cashless exercise of 23,833 shares, both dated 02/24/2026. The transaction method is described as a broker-assisted cashless exercise.

Insights

Securities Counsel

Form 144 filing documents resale following a broker-assisted cashless exercise on 02/24/2026.

The filing excerpt lists a 20,000 Common Stock entry and a separate 23,833 shares tied to a stock option exercise described as a broker-assisted cashless exercise. The filer is shown as Morgan Stanley Smith Barney LLC.

Timing and cash‑flow treatment beyond the exercise method are not stated in the excerpt; subsequent filings or transfer agent records would show final settlement details.

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Accepted by SEC EDGAR 02/24/2026 - 04:49 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001471500
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ECOLAB INC.
SEC File Number	001-09328
Address of Issuer	1 ECOLAB PLACE ST. PAUL MINNESOTA 55102
Phone	1-800-232-6522
Name of Person for Whose Account the Securities are To Be Sold	Christophe Beck
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Morgan Stanley Smith Barney LLC - Executive Services 200 W Civic Center Drive 4th Floor Sandy UT 84070	20000	6113400	281969448	02/24/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	02/24/2026	Stock Option Exercise	Issuer			23833	02/24/2026	Broker-assisted cashless exercise

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	02/24/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Corinne Lawson, as Attorney-in-Fact for Christophe Beck
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)