Ecolab (ECL) director Michel D. Doukeris reports new stock acquisition

Rhea-AI Filing Summary

Ecolab Inc. director Michel D. Doukeris reported acquiring additional common stock of the company. On 12/31/2025, he acquired 128 shares of Ecolab common stock at a stated price of $0 per share, classified as an acquisition transaction. Following this transaction, he directly beneficially owns 437.63 shares of Ecolab common stock.

The reported holdings include 0.44 shares acquired through the dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan, indicating that a small portion of his ownership comes from automatic reinvestment of dividends under this plan.

Insider Trade Summary

Net Buyer: 128 shares

Net Buy 1 txn

Insider Doukeris Michel D

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	128	$0.00	$0.00

Holdings After Transaction: Common Stock — 437.63 shares (Direct)

Footnotes (1)

1. F1. Includes 0.44 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

FAQ

What insider transaction did Ecolab (ECL) report for Michel D. Doukeris?

Ecolab reported that director Michel D. Doukeris acquired 128 shares of Ecolab common stock on 12/31/2025 in a Form 4 filing.

At what price were the new Ecolab (ECL) shares acquired in this insider filing?

The Form 4 shows that the 128 shares of Ecolab common stock were acquired at a stated price of $0 per share.

How many Ecolab (ECL) shares does Michel D. Doukeris own after the reported transaction?

After the reported transaction, Michel D. Doukeris directly beneficially owns 437.63 shares of Ecolab common stock.

Does the Ecolab (ECL) filing mention dividend reinvestment for Michel D. Doukeris?

Yes. The filing states that his holdings include 0.44 shares acquired through a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

What is Michel D. Doukeris’s relationship to Ecolab (ECL)?

The filing identifies Michel D. Doukeris as a director of Ecolab Inc.

Is the Ecolab (ECL) Form 4 filed for one or multiple reporting persons?

The document indicates that the Form 4 is filed by one reporting person, covering the holdings and transaction of Michel D. Doukeris.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 01/05/2026 - 04:37 PM Learn about SEC filing dates

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Doukeris Michel D

(Last) (First) (Middle)

C/O ECOLAB INC.

1 ECOLAB PLACE

(Street)

ST. PAUL MN 55413

(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)
12/31/2025

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	12/31/2025		A		128	A	$0	437.63(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 0.44 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 Michel D. Doukeris	01/05/2026
	** 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.