Ecolab (ECL) EVP De Boo reports stock grant and tax share withholding

Rhea-AI Filing Summary

ECOLAB INC. executive Alexander A. De Boo, EVP & President – Global Markets, reported equity compensation activity in company common stock. On February 18, 2026, he acquired 2,371 shares through a grant at $0.00 per share, increasing his direct holdings.

On the same date, 125.664 shares were disposed of at $303.15 per share to satisfy minimum statutory tax obligations tied to the vesting of performance-based restricted stock units, as permitted under Rule 16b-3. Following these transactions, his direct ownership stands at 7,970.94 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

OMB APPROVAL

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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^*

De Boo Alexander A.

(Last) (First) (Middle)

1 ECOLAB PLACE

(Street)

SAINT 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)
	EVP & PRES - GLOBAL MARKETS

3. Date of Earliest Transaction (Month/Day/Year)
02/18/2026

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	02/18/2026		A		2,371	A	$0	8,096.604	D
Common Stock	02/18/2026		F(1)		125.664	D	$303.15	7,970.94	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. Reflects the reporting person's payment of minimum statutory tax obligations by withholding shares of Ecolab Common Stock incident to the vesting of performance-based restricted stock units in accordance with Rule 16b-3.

	/s/ Corinne Lawson, as Attorney-in-Fact for Alexander A. De Boo	02/20/2026
	** 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.
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FAQ

What insider transactions did Ecolab (ECL) executive Alexander A. De Boo report?

Alexander A. De Boo reported a stock grant and a tax-related share disposition. He received 2,371 Ecolab common shares at no cost and had 125.664 shares withheld to cover minimum statutory tax obligations on vesting performance-based restricted stock units.

How many Ecolab (ECL) shares did Alexander A. De Boo acquire and at what price?

He acquired 2,371 shares of Ecolab common stock at a price of $0.00 per share. This reflects a grant or award of shares, increasing his direct ownership position without an open-market purchase outlay.

Why were 125.664 Ecolab (ECL) shares disposed of in this Form 4 filing?

The 125.664 shares were withheld to pay minimum statutory tax obligations on vesting performance-based restricted stock units. This tax-withholding disposition, at $303.15 per share, is an administrative transaction rather than an open-market sale decision by the executive.

What is Alexander A. De Boo’s Ecolab (ECL) share ownership after these transactions?

After the reported grant and tax share withholding, Alexander A. De Boo directly owns 7,970.94 shares of Ecolab common stock. This figure reflects his updated direct holdings following both the award acquisition and the tax-related share disposition.

What role does Alexander A. De Boo hold at Ecolab (ECL) in this insider transaction?

In the reported Form 4, Alexander A. De Boo is identified as Ecolab’s Executive Vice President and President – Global Markets. The transactions relate to his equity compensation, including a stock grant and tax withholding tied to restricted stock unit vesting.