Angela M. Busch - Mar 15, 2024 Form 4 Insider Report for ECOLAB INC. (ECL)

Role: EVP - CORP STRAT & BUS DEV
Signature: /s/ Corinne Lawson, as Attorney-in-Fact for Angela M. Busch
Stock symbol: ECL
Transactions as of: Mar 15, 2024
Transactions value $: -$327,101
Form type: 4
Date filed: 3/19/2024, 04:39 PM
Previous filing: Mar 5, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ECL	Common Stock	Options Exercise	$659K	+6.12K	+40.37%	$107.69	21.3K	Mar 15, 2024	Direct
transaction	ECL	Common Stock	Tax liability	-$986K	-4.38K	-20.61%	$224.89	16.9K	Mar 15, 2024	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ECL	Employee Stock Option (Right to Buy)	Options Exercise	$0	-6.12K	-100%	$0.00^*	0	Mar 15, 2024	Common Stock	6.12K	$107.69	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects the reporting person's payment of the exercise price for a stock option issued in accordance with Rule 16b-3 by delivering or withholding shares of Ecolab common stock.
F2	Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option became 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 shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column is the first anniversary of the date of grant.

Content

Reflects the reporting person's payment of the exercise price for a stock option issued in accordance with Rule 16b-3 by delivering or withholding shares of Ecolab common stock.

Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option became 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 shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column is the first anniversary of the date of grant.