ECL Form 144: 10,000 Shares Proposed Sale

The issuer submitted a Form 144 notice for the proposed sale of 10,000 shares of Common Stock scheduled on 06/09/2026.

Rhea-AI Filing Summary

The issuer submitted a Form 144 notice for the proposed sale of 10,000 shares of Common Stock scheduled on 06/09/2026. The transaction is tied to an employee stock option exercise using a broker-assisted cashless exercise through Morgan Stanley Smith Barney LLC.

Insights

Securities Counsel

Notice of a Rule 144 sale tied to an option exercise; routine compliance filing.

The filing records a proposed disposition of 10,000 shares dated 06/09/2026, executed via a broker-assisted cashless exercise. It lists Morgan Stanley Smith Barney LLC as the executing broker and identifies the source as an employee stock option exercise.

As a procedural disclosure, this notice documents compliance with transfer restrictions and resale reporting. Cash‑flow treatment and whether proceeds go to the issuer are not specified in the excerpt; subsequent filing or trade confirmation would show final settlement details.

Key Figures

Filed sale amount: 10,000 shares Intended sale date: 06/09/2026 Broker: Morgan Stanley Smith Barney LLC +1 more

4 metrics

Filed sale amount 10,000 shares Securities to be sold; dated 06/09/2026

Intended sale date 06/09/2026 Date listed for the securities to be sold

Broker Morgan Stanley Smith Barney LLC Executing broker for broker-assisted cashless exercise

Transaction source Employee stock option exercise Sale arises from option exercise listed on the form

Key Terms

Rule 144, broker-assisted cashless exercise, employee stock option exercise

3 terms

Rule 144 regulatory

"Form 144 notice for the proposed sale of 10,000 shares"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

broker-assisted cashless exercise financial

"Broker-assisted cashless exercise listed as the method of disposition"

employee stock option exercise financial

"Securities to be sold: Employee stock option exercise"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does ECL's Form 144 filing for 10,000 shares mean?

It notifies the SEC of an intended resale of 10,000 shares under Rule 144. The notice documents the planned sale date 06/09/2026 and the sale method, but does not itself execute the transaction or state final proceeds.

Who is handling the sale in the Form 144 for ECL?

The broker named is Morgan Stanley Smith Barney LLC, listed for a broker-assisted cashless exercise. The filing shows the broker and exercise method; trade execution details and net proceeds will appear in settlement confirmations.

Is this Form 144 sale from an option exercise or existing shares?

The filing explicitly states the source as an employee stock option exercise. It identifies the transaction type rather than resale of previously held restricted shares, and the method is a broker-assisted cashless exercise.

Does the Form 144 indicate who receives the sale proceeds?

The excerpt does not state proceeds treatment. It lists the issuer and the exercise mechanism, but the filing text provided does not specify whether the issuer or the selling holder receives net proceeds.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/09/2026 - 05:39 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	0001727287
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	Darrell R. Brown
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

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	10000	2574100	281437502	06/09/2026	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	06/09/2026	Employee stock option exercise	Issuer			10000	06/09/2026	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	06/09/2026
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/ Youhao Dong, as Attorney-in-Fact for Darrell R. Brown
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)