What are Michel D. Doukeris’s Ecolab share and option holdings after this Form 4?

After the reported transactions, Doukeris holds 576.2600 Ecolab Common shares directly. He also holds 732.0000 Non-Employee Director Stock Options, each relating to one underlying share of Common Stock, according to the Form 4 ownership tables.

Ecolab director awarded 732 stock options

Q: How many Ecolab stock options were granted to Michel D. Doukeris?

Michel D. Doukeris was granted 732 stock options. These are Non-Employee Director Stock Options, each tied to one share of Ecolab Common Stock, with an exercise price of 247.7000 and an expiration date of 2036-05-15 as reported in the Form 4.

Q: When do Michel D. Doukeris’s Ecolab stock options first become exercisable?

The first exercisable date for the options is 2026-08-15. This date reflects the first vesting installment under the grant’s schedule, as disclosed, with additional portions becoming exercisable after subsequent three‑month periods and the final tranche tied to the fourth period or annual meeting.

ECOLAB INC. director Michel D. Doukeris reported a new stock option grant and updated share holdings.

Filing Impact

(Neutral)

Filing Sentiment

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Rhea-AI Filing Summary

ECOLAB INC. director Michel D. Doukeris reported a new stock option grant and updated share holdings. He received a grant of 732 Non-Employee Director Stock Options, each covering one share of Common Stock, with an exercise price of 247.7000 and expiration on 2036-05-15.

The option vests in stages: 25% of the option shares on the last day of each of the first three three‑month periods after the grant date, and the remaining shares on the last day of the fourth three‑month period or the company’s next annual meeting date, whichever is earlier. The first vesting date is listed as 2026-08-15.

Following these updates, Doukeris is shown holding 576.2600 shares of Ecolab Common Stock directly, and 732.0000 director stock options tied to an equal number of underlying Common Stock shares.

Insider Trade Summary

Grant/Award: 732 shares

Grant/Award 2 txns

Insider Doukeris Michel D

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Non-Employee Director Stock Option (Right to Buy)	732	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Non-Employee Director Stock Option (Right to Buy) — 732 contracts (Direct); Common Stock — 576.26 shares (Direct)

Footnotes (1)

F1. The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the earlier of the last day of the fourth three-month period following its date of grant or the company's next annual meeting date; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full. The date listed in the Date Exercisable column represents the first vesting date.

Key Figures

Director option grant size: 732.0000 options Option exercise price: 247.7000 per share Option expiration date: 2036-05-15 +3 more

6 metrics

Director option grant size 732.0000 options Non-Employee Director Stock Option grant on 2026-05-15

Option exercise price 247.7000 per share Exercise price for the 732 director stock options

Option expiration date 2036-05-15 Expiration for Non-Employee Director Stock Option grant

First vesting date 2026-08-15 First date options become exercisable

Common Stock held 576.2600 shares Ecolab Common Stock directly held after transactions

Underlying shares for options 732.0000 shares Common Stock underlying the director stock option grant

Key Terms

Non-Employee Director Stock Option, Change in Control, Date Exercisable, Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan

4 terms

Non-Employee Director Stock Option financial

"He received a grant of 732 Non-Employee Director Stock Options, each covering one share of Common Stock"

Change in Control financial

"if a Change in Control of the Company will occur, then the option will become immediately exercisable in full"

A "change in control" occurs when the ownership or management of a company shifts significantly, such as through a merger, acquisition, or sale of a large part of its assets. This change can impact how the company is run and may influence its future direction. For investors, it matters because it can affect the company's stability, strategy, and value, often signaling potential changes in investment risk or opportunity.

Date Exercisable financial

"The date listed in the Date Exercisable column represents the first vesting date"

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

"as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan"

FAQ

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

What insider activity did Ecolab (ECL) report for Michel D. Doukeris?

Ecolab reported a grant of director stock options to Michel D. Doukeris. He received 732 Non-Employee Director Stock Options linked to Ecolab Common Stock, along with an updated disclosure showing 576.2600 shares of Common Stock held directly after the reported transactions.

How many Ecolab stock options were granted to Michel D. Doukeris?

Michel D. Doukeris was granted 732 stock options. These are Non-Employee Director Stock Options, each tied to one share of Ecolab Common Stock, with an exercise price of 247.7000 and an expiration date of 2036-05-15 as reported in the Form 4.

What is the vesting schedule for Michel D. Doukeris’s Ecolab director stock options?

The options vest in four cumulative installments over roughly one year. Twenty-five percent of the option shares vest on the last day of each of the first three three‑month periods after the grant, with the remaining shares vesting on the last day of the fourth three‑month period or the next annual meeting date.

When do Michel D. Doukeris’s Ecolab stock options first become exercisable?

The first exercisable date for the options is 2026-08-15. This date reflects the first vesting installment under the grant’s schedule, as disclosed, with additional portions becoming exercisable after subsequent three‑month periods and the final tranche tied to the fourth period or annual meeting.

What triggers full immediate exercisability of Michel D. Doukeris’s Ecolab options?

A Change in Control of Ecolab triggers immediate full exercisability. The footnote states that if a Change in Control, as defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan, occurs, the entire option becomes exercisable at once.

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

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Accepted by SEC EDGAR 05/19/2026 - 04:58 PM

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^*

Doukeris Michel D

(Last)

(First)

(Middle)

C/O ECOLAB INC.

1 ECOLAB PLACE

(Street)

ST. PAUL

MINNESOTA

55413

(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)
05/15/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock								576.26	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non-Employee Director Stock Option (Right to Buy)	$247.7	05/15/2026		A		732		08/15/2026⁽¹⁾	05/15/2036	Common Stock	732	$0	732	D

Explanation of Responses:

1. The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the earlier of the last day of the fourth three-month period following its date of grant or the company's next annual meeting date; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full. The date listed in the Date Exercisable column represents the first vesting date.

	/s/ Corinne Lawson, as Attorney-in-Fact for Michel D. Doukeris	05/19/2026
	** 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)

Source: View Original Filing on SEC EDGAR