Director Marion K. Gross receives stock grant at Ecolab (NYSE: ECL)

Rhea-AI Filing Summary

Ecolab Inc. director Marion K. Gross reported an acquisition of 130.18 shares of common stock as a grant or award. The shares were recorded at a price of $0.00 per share, indicating a compensation-related equity award rather than an open-market purchase.

After this transaction, Gross directly holds a total of 597.08 Ecolab common shares. A footnote explains that this amount includes 0.89 shares acquired through a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Gross Marion K.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	130.18	$0.00	--

Holdings After Transaction: Common Stock — 597.08 shares (Direct)

Footnotes (1)

1. [object Object]

Key Figures

Shares granted: 130.18 shares Grant price: $0.00 per share Total holdings after grant: 597.08 shares +2 more

5 metrics

Shares granted 130.18 shares Common Stock grant/award on June 30, 2026

Grant price $0.00 per share Equity compensation award, not open-market purchase

Total holdings after grant 597.08 shares Direct ownership following reported transaction

Dividend reinvestment shares 0.89 shares Acquired via dividend reinvestment feature of director plan

Transactions classified as acquisitions 1 transaction Form 4 transaction summary

Key Terms

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

4 terms

grant/award acquisition financial

"transaction_action: "grant/award acquisition" describing the share award"

dividend reinvestment financial

"Includes 0.89 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.

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

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

Common Stock financial

"security_title: "Common Stock" for the reported transaction"

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.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 04:38 PM Accepted by SEC EDGAR 07/02/2026 - 04:37 PM Learn about SEC filing dates

FAQ

What insider transaction did Ecolab (ECL) director Marion K. Gross report?

Marion K. Gross reported receiving 130.18 shares of Ecolab common stock as a grant or award. The shares were acquired at $0.00 per share, indicating a compensation-related equity award rather than an open-market stock purchase.

How many Ecolab (ECL) shares does Marion K. Gross hold after this Form 4?

After the reported transaction, Marion K. Gross directly holds 597.08 shares of Ecolab common stock. This total includes shares previously owned plus the 130.18-share grant reported, providing context for the size of the award relative to her overall holdings.

Was the Ecolab (ECL) insider transaction an open-market buy or a grant?

The transaction was a grant or award acquisition, not an open-market buy. The Form 4 uses code “A” for grant, and the transaction price is listed as $0.00 per share, which is typical for equity compensation awards to directors or executives.

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

The footnote states that 0.89 of the reported shares were acquired through a dividend reinvestment feature of an Ecolab director compensation plan. This means cash dividends were automatically used to buy fractional shares, modestly increasing the director’s share count over time.

Does this Ecolab (ECL) Form 4 show any stock sales by Marion K. Gross?

No sales are reported in this Form 4. The transaction summary shows one acquisition categorized as a grant or award, with no sell, gift, tax withholding, or restructuring entries, indicating the filing only records additional shares received, not dispositions.

How significant is the 130.18-share grant for Ecolab (ECL) director ownership?

The 130.18-share grant increases Marion K. Gross’s direct holdings to 597.08 shares. Within this filing, the award appears as a routine director equity grant, adding to her existing position but not representing a large-scale ownership change or major insider trade.

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^*

Gross Marion K.

(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)
06/30/2026

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	06/30/2026		A		130.18	A	$0	597.08(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 0.89 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 Marion K. Gross	07/02/2026
	** 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)