Ecolab (NYSE: ECL) President & COO awarded 16,780 stock options

Rhea-AI Filing Summary

Ecolab Inc. reported an insider equity award for its President & COO, Darrell R. Brown. On 12/03/2025, he received an employee stock option to purchase 16,780 shares of Ecolab common stock at an exercise price of $268.515 per share. The option becomes exercisable in stages: one-third of the shares on each of the first and second anniversaries of the grant date, and the remaining shares on the third anniversary, and is listed as first exercisable on 12/03/2026 and expiring on 12/03/2035.

After this reported transaction, Brown is shown as directly beneficially owning 27,528.563 shares of Ecolab common stock and holding 16,780 stock options. This filing documents his equity-based compensation and current reported ownership position as a senior executive.

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
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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^*

Brown Darrell R

(Last) (First) (Middle)

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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	PRESIDENT & COO

3. Date of Earliest Transaction (Month/Day/Year)
12/03/2025

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								27,528.563	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
Employee Stock Option (Right to Buy)	$268.515	12/03/2025		A		16,780		12/03/2026(1)	12/03/2035	Common Stock	16,780	$0	16,780	D

Explanation of Responses:

1. The option will be exercisable, on a cumulative basis, as to one-third of the option shares (excluding any fractional portion less than one share), on each of the first and second anniversaries of the date of grant and as to the remaining shares on the third anniversary of the date of grant. The date listed in the Date Exercisable column is the first anniversary of the date of grant.

	/s/ Youhao Dong, as Attorney-in-Fact for Darrell R. Brown	12/05/2025
	** 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.

FAQ

What insider transaction did Ecolab (ECL) report in this Form 4?

The filing reports that Ecolab’s President & COO, Darrell R. Brown, received an employee stock option on 12/03/2025 covering 16,780 shares of Ecolab common stock.

What is the exercise price and term of the new Ecolab (ECL) stock options?

The employee stock option has an exercise price of $268.515 per share. It is first exercisable on 12/03/2026 and has an expiration date of 12/03/2035, giving the executive a long-term window to exercise.

How do the Ecolab (ECL) options granted to the President & COO vest?

According to the explanation, the option vests on a three-year schedule: one-third of the option shares (excluding any fractional portion less than one share) on each of the first and second anniversaries of the 12/03/2025 grant date, and the remaining shares on the third anniversary.

How many Ecolab (ECL) shares does the executive beneficially own after this transaction?

Following the reported transaction, the filing shows that Darrell R. Brown beneficially owns 27,528.563 shares of Ecolab common stock directly and holds 16,780 stock options.

What is Darrell R. Brown’s role at Ecolab (ECL) mentioned in the filing?

The filing identifies Darrell R. Brown as an officer of Ecolab with the title President & COO, and the Form 4 is filed as a report by one reporting person.

Is the Ecolab (ECL) executive option grant reported as a direct or indirect holding?

The Form 4 lists both the 27,528.563 shares of common stock and the 16,780 stock options as direct (D) beneficial ownership for the reporting person.