Ecolab (NYSE: ECL) CEO sells 20,000 shares after option exercise

Rhea-AI Filing Summary

Ecolab Inc. Chairman & CEO Christophe Beck reported several equity transactions. On February 24, 2026, he exercised an employee stock option for 23,833 shares at an exercise price of $117.73 per share, converting a derivative award into common stock.

On the same date, he completed open-market sales of 18,120 shares of common stock at a weighted average price of $307.316 per share and an additional 1,880 shares at a weighted average price of $307.87 per share. After these transactions, he held 90,794.118 shares directly.

Separately, he also had an indirect interest in 1,735.608 units of the Ecolab Stock Fund in the Ecolab Savings Plan as of January 31, 2026, which the plan states is equivalent to approximately 3,182 shares of Ecolab common stock.

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

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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^*

Beck Christophe

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHAIRMAN & CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

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	02/24/2026		M		23,833	A	$117.73	110,794.118	D
Common Stock	02/24/2026		S		18,120	D	$307.316(1)	92,674.118	D
Common Stock	02/24/2026		S		1,880	D	$307.87(2)	90,794.118	D
Common Stock								1,735.608(3)	I	By Ecolab Savings Plan

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)	$117.73	02/24/2026		M			23,833	12/07/2017(4)	12/07/2026	Common Stock	23,833	$0	0	D

Explanation of Responses:

1. This transaction was executed in multiple trades at prices ranging from $306.77 to $307.76, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

2. This transaction was executed in multiple trades at prices ranging from $307.77 to $307.95, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

3. Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of January 31, 2026. (The 1,735.608 UNITS are the equivalent of approximately 3,182 SHARES of the issuer's Common Stock.)

4. Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option became 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 option shares on the third anniversary of the date of grant. The date listed is the first anniversary of the date of grant.

	/s/ Corinne Lawson, as Attorney-in-Fact for Christophe Beck	02/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What did Ecolab (ECL) CEO Christophe Beck report in this Form 4?

Christophe Beck reported exercising an employee stock option for 23,833 shares at $117.73 and selling 20,000 common shares at weighted average prices around $307 per share. He also disclosed updated direct and indirect share holdings after these transactions.

How many Ecolab (ECL) shares did the CEO sell and at what prices?

The CEO sold 18,120 Ecolab common shares at a weighted average price of $307.316 and 1,880 shares at $307.87. Both transactions were open-market sales executed in multiple trades within disclosed price ranges around those averages.

What stock option activity did Ecolab (ECL) CEO Christophe Beck report?

He exercised an employee stock option for 23,833 shares of Ecolab common stock at an exercise price of $117.73 per share. The filing identifies this as an exercise or conversion of a derivative security granted under the company’s stock incentive plan.

How many Ecolab (ECL) shares does the CEO hold after these transactions?

After the reported transactions, the CEO holds 90,794.118 Ecolab common shares directly. In addition, he has an indirect interest in 1,735.608 units of the Ecolab Stock Fund in the company’s savings plan, equivalent to approximately 3,182 common shares.

What indirect Ecolab (ECL) holdings does the CEO report through the savings plan?

He reports 1,735.608 units in the Ecolab Stock Fund of the Ecolab Savings Plan as of January 31, 2026. According to the plan disclosure, those 1,735.608 units are approximately equivalent to 3,182 shares of Ecolab common stock held indirectly.

Were the Ecolab (ECL) CEO’s stock sales single trades or executed in multiple transactions?

The sales were executed in multiple trades. One block was filled between $306.77 and $307.76, and another between $307.77 and $307.95. The reported prices of $307.316 and $307.87 reflect the weighted average sale prices for each group of trades.