Ecolab (NYSE: ECL) director John Zillmer receives 130-share stock grant

Rhea-AI Filing Summary

Ecolab Inc. director John J. Zillmer received a grant of 130.18 shares of Common Stock on June 30, 2026 as a compensation-related award, not an open‑market purchase. This increased his directly held stake to 49,365.43 shares. The total includes 43.39 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 ZILLMER JOHN J

Role null

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

Holdings After Transaction: Common Stock — 49,365.43 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares granted: 130.18 shares Price per granted share: $0.0000 per share Total shares after transaction: 49,365.43 shares +1 more

4 metrics

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

Price per granted share $0.0000 per share Indicates non-cash grant/award acquisition

Total shares after transaction 49,365.43 shares Direct Common Stock holdings following the grant

Dividend reinvestment shares 43.39 shares Acquired via dividend reinvestment feature of 2001 plan

Key Terms

Form 4, Common Stock, transaction code A, Grant, award, or other acquisition, +2 more

6 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.

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.

transaction code A regulatory

""transaction_code": "A""

Grant, award, or other acquisition financial

""transaction_code_description": "Grant, award, or other acquisition""

dividend reinvestment financial

"Includes 43.39 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.

Deferred Compensation Plan financial

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

A deferred compensation plan is an arrangement where an employer agrees to pay part of an employee’s pay or bonus at a later date instead of immediately, often to reduce current tax bills or to tie rewards to long-term performance. For investors it matters because these promises create future cash obligations and influence executive incentives and retention; they can affect a company’s reported liabilities, cash flow planning and the risk profile if the business faces financial trouble.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 04:52 PM Accepted by SEC EDGAR 07/02/2026 - 04:51 PM Learn about SEC filing dates

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^*

ZILLMER JOHN J

(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	49,365.43(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 43.39 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 John J. Zillmer	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)

FAQ

What insider transaction did Ecolab (ECL) director John J. Zillmer report?

John J. Zillmer reported receiving 130.18 shares of Ecolab Common Stock as a grant or award on June 30, 2026. This was a compensation-related acquisition rather than an open-market stock purchase, reflecting routine non-employee director equity compensation.

Was the Ecolab (ECL) transaction by John J. Zillmer a stock purchase or a grant?

The transaction was a grant or award acquisition, not an open-market purchase. The Form 4 uses transaction code A, described as a grant, award, or other acquisition, with a reported price per share of $0.0000, indicating no cash was paid for these shares.

How many Ecolab (ECL) shares does John J. Zillmer hold after this Form 4 transaction?

After the June 30, 2026 grant, John J. Zillmer directly holds 49,365.43 Ecolab Common Stock shares. This total reflects his updated ownership following the 130.18-share award and includes a small number of shares from dividend reinvestment within a company plan.

What does the dividend reinvestment footnote mean in Ecolab (ECL) director Zillmer’s Form 4?

The footnote explains that 43.39 of the reported shares were acquired via a dividend reinvestment feature of Ecolab’s 2001 Non-Employee Director Stock Option and Deferred Compensation Plan. This indicates part of his holdings grew automatically by reinvesting cash dividends into additional shares.

Does the Ecolab (ECL) Form 4 show any stock sales by John J. Zillmer?

The Form 4 does not report any stock sales by John J. Zillmer. It shows only one non-derivative transaction coded A, representing a grant or award acquisition of 130.18 shares, with no corresponding sale, gift, or tax-withholding dispositions disclosed in this filing.