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  4. [Form 4] ECOLAB INC. Insider Trading Activity

Ecolab Director Reports 09/30/2025 Stock Acquisitions

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Eric M. Green, a director of Ecolab Inc. (ECL), reported two acquisitions of Ecolab common stock on 09/30/2025. The Form 4 shows an acquisition of 123.23 shares with a reported price of $0 and a separate acquisition of 132.37 shares with a reported price of $273.87, leaving total beneficial ownership of 3,401.71 shares after the transactions. The filing discloses that 7.02 of the shares were acquired through a dividend reinvestment feature of the company's Non-Employee Director Stock Option and Deferred Compensation Plan. The Form 4 was signed by an attorney-in-fact on behalf of Mr. Green on 10/02/2025.

Positive

  • Director increased ownership by a reported total of 255.6 shares on 09/30/2025
  • 7.02 shares were acquired via the dividend reinvestment feature of the Non-Employee Director plan

Negative

  • None.

Insights

Director reported modest share purchases and dividend reinvestment on 09/30/2025.

The filing shows two acquisitions totaling 255.6 shares (sum of 123.23 and 132.37) with reported prices of $0 and $273.87. The $0 price is explicitly tied to a dividend reinvestment per the explanation line.

This is a routine insider disclosure by a director and documents beneficial ownership of 3,401.71 shares after the transactions; the signature date is 10/02/2025.

Insider Green Eric Mark
Role Director
Type Security Shares Price Value
Grant/Award Common Stock 123.23 $0.00 --
Grant/Award Common Stock 132.37 $273.87 $36K
Holdings After Transaction: Common Stock — 3,269.34 shares (Direct)
Footnotes (1)
  1. [object Object]
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Green Eric Mark
(Last) (First) (Middle)
C/O ECOLAB INC.
1 ECOLAB PLACE
(Street)
SAINT PAUL MN 55102
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
ECOLAB INC. [ ECL ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
09/30/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 09/30/2025 A 123.23 A $0 3,269.34(1) D
Common Stock 09/30/2025 A 132.37 A $273.87 3,401.71 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. Includes 7.02 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.
/s/ Corinne Lawson, as Attorney-in-Fact for Eric M. Green 10/02/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What did Eric M. Green report on Form 4 for ECL?

He reported two acquisitions on 09/30/2025: 123.23 shares at a reported price of $0 and 132.37 shares at a reported price of $273.87, resulting in 3,401.71 shares beneficially owned.

Why is one acquisition reported at a price of $0?

The filing's explanation states 7.02 shares were acquired pursuant to a dividend reinvestment feature of the company's Non-Employee Director Stock Option and Deferred Compensation Plan.

When was the Form 4 signed for ECL insider activity?

The Form 4 was signed by an attorney-in-fact on behalf of Eric M. Green on 10/02/2025.

How many Ecolab shares does Eric M. Green beneficially own after these transactions?

The Form 4 reports 3,401.71 shares beneficially owned following the reported transactions.

Was this Form 4 filed by an individual or jointly?

The filing indicates it was a Form filed by One Reporting Person.