Ecolab director awarded 137.82 common shares

Ecolab Inc. director John J. Zillmer reported receiving an award of 137.82 shares of common stock on March 31, 2026.

Rhea-AI Filing Summary

Ecolab Inc. director John J. Zillmer reported receiving an award of 137.82 shares of common stock on March 31, 2026. The shares were granted at no cash cost as part of his director compensation. Following this award, he directly holds 49,191.86 common shares, including 41.80 shares acquired through a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

Insider Trade Summary

Grant/Award: 137.82 shares

Grant/Award 1 txn

Insider ZILLMER JOHN J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	137.82	$0.00	$0.00

Holdings After Transaction: Common Stock — 49,191.86 shares (Direct)

Footnotes (1)

1. F1. Includes 41.80 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

Key Figures

Stock award: 137.82 shares Holdings after transaction: 49,191.86 shares Dividend reinvestment shares: 41.80 shares

3 metrics

Stock award 137.82 shares Common stock grant on March 31, 2026

Holdings after transaction 49,191.86 shares Direct common stock ownership after award

Dividend reinvestment shares 41.80 shares Acquired via dividend reinvestment feature of 2001 plan

Key Terms

dividend reinvestment feature, Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan, grant, award, or other acquisition

3 terms

dividend reinvestment feature financial

"Includes 41.80 shares acquired pursuant to a dividend reinvestment feature"

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

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

grant, award, or other acquisition financial

"transaction code description: Grant, award, or other acquisition"

FAQ

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

What insider transaction did Ecolab (ECL) director John J. Zillmer report?

Director John J. Zillmer reported receiving an award of 137.82 Ecolab common shares. The award was recorded on March 31, 2026 and carried a zero dollar price per share, indicating it was compensation rather than an open-market purchase.

How many Ecolab (ECL) shares does John J. Zillmer hold after this Form 4?

After the reported award, John J. Zillmer directly holds 49,191.86 Ecolab common shares. This figure includes both previously held shares and the new 137.82-share grant disclosed for March 31, 2026.

Was cash paid for the Ecolab (ECL) shares awarded to John J. Zillmer?

No cash was paid for the 137.82 Ecolab shares awarded to John J. Zillmer. The transaction shows a price per share of $0.0000, consistent with a stock grant or other non-cash director compensation.

What does the dividend reinvestment feature mentioned in Ecolab (ECL) Form 4 mean?

The filing notes that 41.80 of Zillmer’s shares were acquired through a dividend reinvestment feature. This means cash dividends from the Ecolab 2001 Non-Employee Director Stock Option and Deferred Compensation Plan were automatically used to buy additional shares.

Is the Ecolab (ECL) Form 4 transaction a purchase or an award?

The transaction is classified as a grant or award acquisition, not an open-market purchase. The SEC code “A” and the zero-dollar price per share indicate the 137.82 shares were granted as part of director compensation rather than bought on the market.

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

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Accepted by SEC EDGAR 04/02/2026 - 05:20 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^*

ZILLMER JOHN J

(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)
03/31/2026

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	03/31/2026		A		137.82	A	$0	49,191.86(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 41.80 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	04/02/2026
	** 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)