Ecolab director Julie Whalen receives 131-share grant

Her reported direct Ecolab holdings after the transaction were 604 shares, including shares acquired through the director plan’s dividend-reinvestment feature.

Rhea-AI Filing Summary

Ecolab Inc. director Julie Whalen acquired 131 shares of common stock through a grant/award transaction on September 30, 2026, reported at $0.00 per share. Her resulting direct holdings were 604 shares; the reported balance includes shares acquired through the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan’s dividend reinvestment feature.

Insider Trade Summary

Grant/Award: 131.17 shares

Grant/Award 1 txn

Insider Whalen Julie

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	131.17	$0.00	$0.00

Holdings After Transaction: Common Stock — 603.85 shares (Direct)

Footnotes (1)

1. F1. Includes 0.92 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

Key Figures

Shares acquired: 131 shares Reported transaction price: $0.00 per share Direct holdings after transaction: 604 shares

3 metrics

Shares acquired 131 shares Grant/award transaction on September 30, 2026

Reported transaction price $0.00 per share Grant/award transaction on September 30, 2026

Direct holdings after transaction 604 shares Reported following the September 30, 2026 transaction

Key Terms

dividend reinvestment feature, Non-Employee Director Stock Option and Deferred Compensation Plan

2 terms

dividend reinvestment feature financial

"acquired pursuant to a dividend reinvestment feature"

Non-Employee Director Stock Option and Deferred Compensation Plan financial

"Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan"

FAQ

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

How many ECL shares did Julie Whalen acquire?

Julie Whalen, an Ecolab director, acquired 131 shares of common stock on September 30, 2026, through a grant/award transaction reported at $0.00 per share. Her resulting direct holdings were 604 shares. The reported balance includes shares acquired through the dividend-reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

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

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Available on EDGAR 10/02/2026 - 05:05 PM Accepted by SEC EDGAR 10/02/2026 - 05:05 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^*

Whalen Julie

(Last) (First) (Middle)

C/O ECOLAB INC.

1 ECOLAB PLACE

(Street)

SAINT PAUL MINNESOTA 55102

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	09/30/2026		A		131.17	A	$0	603.85(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 0.92 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

Remarks:

	/s/ Corinne Lawson, as Attorney-in-Fact for Julie P. Whalen	10/02/2026
	** 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.
* Form 4: SEC 1474 (03-26)