Ecolab (NYSE: ECL) director adds shares through stock award grant

Rhea-AI Filing Summary

Ecolab Inc. director Lionel L. Nowell III received a stock award of 137.82 shares of common stock, recorded at no purchase price. This grant increased his direct holdings to 6,625.38 shares. The total includes 16.67 shares acquired through a dividend reinvestment feature of Ecolab’s non-employee director plan.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider NOWELL LIONEL L III

Role Director

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

Holdings After Transaction: Common Stock — 6,625.38 shares (Direct)

Footnotes (1)

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Key Figures

Stock grant size: 137.82 shares Grant price per share: $0.00 per share Total shares after transaction: 6,625.38 shares +1 more

4 metrics

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

Grant price per share $0.00 per share Compensation-related stock award, not open-market purchase

Total shares after transaction 6,625.38 shares Director’s direct Ecolab holdings following the grant

Dividend reinvestment shares 16.67 shares Acquired via dividend reinvestment feature of director plan

Key Terms

Form 4, dividend reinvestment, Non-Employee Director Stock Option and Deferred Compensation Plan, Common Stock

4 terms

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

dividend reinvestment financial

"Includes 16.67 shares acquired pursuant to a dividend reinvestment feature"

Dividend reinvestment is when the money earned from a company's profit sharing, called dividends, is automatically used to buy more shares of that company instead of being received as cash. This process helps investors grow their holdings over time without extra effort, much like using earned interest to buy more of a savings account. It encourages long-term investment growth by continuously increasing the amount of shares owned.

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."

Common Stock financial

"security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 Insider Transactions: What Each Field Means →

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)
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	6,625.38(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 16.67 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 Lionel L. Nowell, III	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)

FAQ

What did Ecolab (ECL) director Lionel Nowell report on this Form 4?

Lionel L. Nowell III reported receiving 137.82 shares of Ecolab common stock as a grant. The award was recorded at a price of $0.00 per share, reflecting compensation rather than a market purchase, and increased his directly held stake in the company.

How many Ecolab (ECL) shares does Lionel Nowell hold after this transaction?

After the reported stock award, Lionel L. Nowell III directly holds 6,625.38 shares of Ecolab common stock. This figure includes both the newly granted 137.82 shares and prior holdings, reflecting his total direct ownership position following the grant.

Was the Ecolab (ECL) stock award to Lionel Nowell an open-market purchase?

No, the transaction was a grant or award, not an open-market purchase. The Form 4 shows a transaction code “A” with a price of $0.00 per share, indicating compensation-related stock rather than shares bought on the open market.

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

The filing notes that 16.67 of Nowell’s shares were acquired through a dividend reinvestment feature of an Ecolab director plan. This means cash dividends on eligible holdings were automatically used to buy additional shares instead of being paid out in cash.

Is this Ecolab (ECL) Form 4 transaction a buy or a sale of shares?

The transaction reflects an acquisition via grant, not a sale. The Form 4 classifies it as a grant, award, or other acquisition, increasing Lionel L. Nowell III’s direct holdings without any reported disposition of Ecolab shares.