Ecolab director Lionel L. Nowell III gets 131 shares

The director's reported direct holding after the transaction was 6,922 shares, including shares acquired through the plan's dividend reinvestment feature.

Rhea-AI Filing Summary

Ecolab Inc. director Lionel L. Nowell III acquired 131 shares of common stock through a grant or award on September 30, 2026. The reported acquisition was compensation-related, rather than a market purchase. After the transaction, he directly held 6,922 shares, including 18 shares acquired through the dividend reinvestment feature of Ecolab’s 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

Insider Trade Summary

Grant/Award: 131.17 shares

Grant/Award 1 txn

Insider NOWELL LIONEL L III

Role Director

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

Holdings After Transaction: Common Stock — 6,922.15 shares (Direct)

Footnotes (1)

1. F1. Includes 17.91 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 Direct shares held after transaction: 6,922 shares Shares acquired through dividend reinvestment: 18 shares

3 metrics

Shares acquired 131 shares Grant or award on September 30, 2026

Direct shares held after transaction 6,922 shares Reported after the September 30, 2026 transaction

Shares acquired through dividend reinvestment 18 shares Included in the reported post-transaction holding

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

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How many ECL shares did director Lionel L. Nowell III acquire?

Lionel L. Nowell III, a director of Ecolab Inc., acquired 131 shares of common stock through a grant or award on September 30, 2026. The acquisition was compensation-related, rather than a market purchase.

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

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

NOWELL LIONEL L III

(Last) (First) (Middle)

C/O ECOLAB INC.

1 ECOLAB PLACE

(Street)

ST. 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	6,922.15(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 17.91 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 Lionel L. Nowell, III	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)