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ECL Form 4: Director Zillmer Adds 123.23 Shares via Reinvestment

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

Rhea-AI Filing Summary

John J. Zillmer, a director of Ecolab Inc. (ECL), reported acquiring 123.23 shares of Ecolab common stock on 09/30/2025 at a reported price of $0. After the transaction his beneficial ownership is reported as 47,425.86 shares. The filing notes that 38.02 of the shares were acquired through a dividend reinvestment feature of the company’s 2001 Non-Employee Director Stock Option and Deferred Compensation Plan. The Form 4 was signed by an attorney-in-fact on 10/02/2025. The filing documents an insider acquisition and provides the exact change in a director’s reported holdings without additional commentary or valuation context.

Positive

  • Insider acquisition of 123.23 shares by a director on 09/30/2025
  • Dividend reinvestment contributed 38.02 shares to the reported acquisition

Negative

  • None.

Insights

Director reporting a small stock acquisition and current holdings.

John J. Zillmer reported an acquisition of 123.23 shares on 09/30/2025, increasing his reported beneficial ownership to 47,425.86 shares. The filing explicitly attributes 38.02 shares to a dividend reinvestment within the company’s 2001 Non-Employee Director plan.

The transaction is recorded at a price of $0 in the Form 4, which indicates these shares were issued or allocated rather than purchased on the open market; the filing gives no further pricing or cash consideration details. The form was executed by an attorney-in-fact on 10/02/2025, completing the required insider disclosure.

Insider ZILLMER JOHN J
Role Director
Type Security Shares Price Value
Grant/Award Common Stock 123.23 $0.00 --
Holdings After Transaction: Common Stock — 47,425.86 shares (Direct)
Footnotes (1)
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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*
ZILLMER JOHN J
(Last) (First) (Middle)
C/O ECOLAB INC.
1 ECOLAB PLACE
(Street)
ST. 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 47,425.86(1) 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 38.02 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 John J. Zillmer 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 Ecolab director John J. Zillmer report on Form 4 (ECL)?

He reported acquiring 123.23 shares of Ecolab common stock on 09/30/2025, bringing his beneficial ownership to 47,425.86 shares.

Was any cash price reported for the shares purchased by John J. Zillmer?

The Form 4 lists the transaction price as $0 for the reported 123.23 shares.

Did the filing explain how some shares were acquired?

Yes. The filing states 38.02 shares were acquired through a dividend reinvestment feature of the company’s 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

When was the Form 4 signed?

The signature on the Form 4 by an attorney-in-fact is dated 10/02/2025.