Ecolab CFO exercises options, sells 3,357 shares

Ecolab Inc. chief financial officer Scott D. Kirkland exercised employee stock options for 3,972 shares of common stock at $117.73 per share, then sold 3,357 shares in a sale in open market or private transaction at $276.96 per share.

Rhea-AI Filing Summary

Ecolab Inc. chief financial officer Scott D. Kirkland exercised employee stock options for 3,972 shares of common stock at $117.73 per share, then sold 3,357 shares in a sale in open market or private transaction at $276.96 per share. He also reported indirect ownership of 1,477.401 units in the Ecolab Stock Fund of the Ecolab Savings Plan as of June 30, 2026, equivalent to approximately 2,710 shares of common stock and including 21.817 units acquired since his prior report.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 4 txns

Insider Kirkland Scott D

Role CHIEF FINANCIAL OFFICER

Sold 3,357 shs ($930K)

Approx. gross sale proceeds $930K

Approx. exercise cost $468K

Type	Security	Shares	Price	Value
Exercise	Employee Stock Option (Right to Buy) F2	3,972	$0.00	$0.00
Exercise	Common Stock	3,972	$117.73	$468K
Sale	Common Stock	3,357	$276.96	$930K
holding	Common Stock F1	--	--	--

Holdings After Transaction: Employee Stock Option (Right to Buy) — 0 contracts (Direct); Common Stock — 17,524.412 shares (Direct); Common Stock — 1,477.401 shares (Indirect, By Ecolab Savings Plan)

Footnotes (2)

1. F1. Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of June 30, 2026. Includes 21.817 UNITS acquired since the reporting person's last report. (The 1,477.401 UNITS are the equivalent of approximately 2,710 SHARES of the issuer's Common Stock.)
2. F2. Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option became or becomes 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.

Key Figures

Options exercised: 3,972 shares Option exercise price: $117.73 per share Shares sold: 3,357 shares +4 more

7 metrics

Options exercised 3,972 shares Employee Stock Option (Right to Buy) exercised into common stock on July 30, 2026

Option exercise price $117.73 per share Exercise price for employee stock options converted into Ecolab common stock

Shares sold 3,357 shares Common stock sale reported by the CFO on July 30, 2026

Sale price $276.96 per share Price per share for the Ecolab common stock sale coded as transaction “S”

Ecolab Savings Plan units 1,477.401 UNITS Units in the Ecolab Stock Fund of the Ecolab Savings Plan as of June 30, 2026

Equivalent common shares 2,710 shares Approximate Ecolab common stock equivalent of 1,477.401 units in the Ecolab Stock Fund

New units acquired 21.817 UNITS Additional Ecolab Stock Fund units acquired since the reporting person’s last report

Key Terms

Employee Stock Option (Right to Buy), Ecolab Savings Plan (401(k) Plan), Ecolab Inc. 2010 Stock Incentive Plan, Ecolab Stock Fund

4 terms

Employee Stock Option (Right to Buy) financial

"Security title is listed as Employee Stock Option (Right to Buy)"

Ecolab Savings Plan (401(k) Plan) financial

"Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan)"

Ecolab Inc. 2010 Stock Incentive Plan financial

"Option granted under the Ecolab Inc. 2010 Stock Incentive Plan"

Ecolab Stock Fund financial

"UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Ecolab (ECL) CFO Scott D. Kirkland report on July 30, 2026?

Scott D. Kirkland exercised employee stock options for 3,972 Ecolab common shares at $117.73 per share and then sold 3,357 common shares at $276.96 per share. He also updated his indirect holdings through the Ecolab Savings Plan stock fund.

How many Ecolab (ECL) stock options did the CFO exercise and at what exercise price?

The Ecolab CFO exercised 3,972 employee stock options, receiving the same number of common shares at an exercise price of $117.73 per share. These options were granted under the Ecolab Inc. 2010 Stock Incentive Plan and had become exercisable under its vesting schedule.

How many Ecolab (ECL) shares did the CFO sell and at what price per share?

Following the option exercise, Scott D. Kirkland sold 3,357 shares of Ecolab common stock at a price of $276.96 per share. The transaction is described as a sale in open market or private transaction, as reflected by transaction code “S.”

What indirect Ecolab (ECL) holdings does the CFO report through the Ecolab Savings Plan?

Kirkland reports indirect ownership of 1,477.401 UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan as of June 30, 2026. This position is approximately 2,710 shares of Ecolab common stock and includes 21.817 units acquired since his previous report.

Were the Ecolab (ECL) CFO’s reported transactions under a Rule 10b5-1 trading plan?

These transactions are not reported as being under a Rule 10b5-1 plan. The report’s Rule 10b5-1 checkbox is not marked as affirming such a plan, and no footnotes reference any pre-arranged trading arrangement for these trades.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/31/2026 - 04:46 PM Accepted by SEC EDGAR 07/31/2026 - 04:46 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^*

Kirkland Scott D

(Last) (First) (Middle)

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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF FINANCIAL OFFICER

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/30/2026

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	07/30/2026		M		3,972	A	$117.73	20,881.412	D
Common Stock	07/30/2026		S		3,357	D	$276.96	17,524.412	D
Common Stock								1,477.401(1)	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	07/30/2026		M			3,972	12/07/2017(2)	12/07/2026	Common Stock	3,972	$0	0	D

Explanation of Responses:

1. Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of June 30, 2026. Includes 21.817 UNITS acquired since the reporting person's last report. (The 1,477.401 UNITS are the equivalent of approximately 2,710 SHARES of the issuer's Common Stock.)

2. Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option became or becomes 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.

Remarks:

	/s/ Corinne Lawson, as Attorney-in-Fact for Scott D. Kirkland	07/31/2026
	** 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)