Insider Transactions Reported by 42 Insiders of ECOLAB INC.

Symbol: ECL on NYSE
Location: Saint Paul, MN

Quick Takeaways

ECL - ECOLAB INC. has 42 insiders with reported activity on this page.
Net insider value flow over the last year: -$17,181,277.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: $816,485; sell value: $17,997,762.
Net share flow: -59,345.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$17,181,277.

Buys

$816,485

Shares: 3,150

Insiders: 1

Sells

$17,997,762

Shares: 62,495

Insiders: 8

Net

-$17,181,277

Shares: -59,345

Insiders: -7

Window (months)	Buy shares	Sell shares	Buy $	Sell $	Net $
0-3	1,800	34,285	$456,180	$10,492,786	-$10,036,606
3-6	750	3,035	$193,198	$867,664	-$674,466
6-9	0	23,068	$0	$6,059,634	-$6,059,634
9-12	600	2,107	$167,108	$577,679	-$410,571

ECOLAB INC. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
William H. Gates III	10%+ Owner	$7,202,772,216			Filing P/S	20 Nov 2024
Douglas M. Baker Jr.	EXEC CHAIRMAN OF THE BOARD, Director	$152,680,318			Mixed	23 Feb 2022
Daniel J. Schmechel	Evp Growth And Transformation	$40,532,808			Mixed	31 Dec 2021
Christophe Beck	CHAIRMAN & CEO, Director	$28,434,815	-$11,823,594	-29%	Mixed	24 Feb 2026
John J. Zillmer	Director	$12,913,847			Mixed	31 Mar 2026
Darrell R. Brown	President & Coo	$9,923,119			Mixed	18 Feb 2026
Michael C. McCormick	Evp Corporate Affairs	$9,269,878			Mixed	15 Aug 2022
Laurie M. Marsh	Evp Human Resources	$7,879,297			Mixed	19 Feb 2025
Barbara Beck	Director	$7,581,671			Mixed	31 Mar 2024
David W. MacLennan	Director	$7,443,580	+$816,485	+12%	Mixed	13 May 2026
HIGGINS ARTHUR J	Director	$6,758,349			Mixed	31 Mar 2025
Victoria J. Reich	Director	$6,661,872	-$653,380	-8.9%	Mixed	31 Mar 2026
Timothy P. Mulhere	Evp & Pres Global Inst	$6,419,122			Mixed	02 May 2022
Gregory B. Cook	Co-COO - Global Businesses	$5,282,005	-$1,070,656	-17%	Median	04 May 2026
Scott D. Kirkland	Chief Financial Officer	$5,100,509			Mixed	24 Feb 2026
Michael Larson	Director	$4,989,848			Mixed	31 Mar 2026
Larry L. Berger	Evp & Chief Technical Officer	$4,651,303			Mixed	26 Feb 2025
Angela M. Busch	Evp Corp Strat & Bus Dev	$4,314,921			Mixed	15 Mar 2024
Jeffrey M. Ettinger	Director	$3,951,349			Mixed	04 May 2023
Suzanne M. Vautrinot	Director	$3,058,678	-$383,401	-11%	Mixed	31 Mar 2026
Tracy B. McKibben	Director	$3,023,169	-$390,455	-11%	Mixed	31 Mar 2026
Shari L. Ballard	Director	$2,467,716			Mixed	31 Mar 2026
Alexander A. de Boo	Evp & Pres Global Markets	$2,416,390	-$381,452	-14%	Mixed	18 Feb 2026
Lanesha Minnix	Evp, Gc & Secretary	$2,355,620			Mixed	06 Dec 2023
Nicholas J. Alfano	Evp & Pres Global Water	$2,214,509	-$2,884,314	-57%	Mixed	18 Feb 2026
Elizabeth A. Simermeyer	Evp & Pres Hc & Life Sci	$2,068,763			Mixed	23 Feb 2022
Jennifer J. Bradway	Svp & Corporate Controller	$1,836,565	-$410,511	-18%	Mixed	18 Feb 2026
Nicolas A. Granucci	Evp & Pres Global Pest	$1,781,450			Mixed	25 Feb 2024
Lionel L. Nowell III	Director	$1,739,294			Mixed	31 Mar 2026
Machiel Duijser	Evp & Csco	$1,485,216			Mixed	19 Feb 2025
Harpreet Saluja	Evp Corp Strat & Bus Dev	$1,234,854			Mixed	03 Dec 2025
Gail Peterson	Evp Global Mktg & Comms	$1,059,089			Mixed	21 Feb 2024
Eric M. Green	Director	$1,043,125			Mixed	31 Mar 2026
Gergely Sved	Evp & Pres Hc & Life Sci	$798,967			Mixed	21 Feb 2024
Margeaux M. King	EVP - Human Resources	$350,977			Mixed	25 Feb 2026
Judson B. Althoff	Director	$299,254			Mixed	31 Mar 2026
Jandeen M. Boone	EVP, GC & Secretary	$286,294			Mixed	18 Feb 2026
Michel D. Doukeris	Director	$151,279			Mixed	31 Mar 2026
Marion K. Gross	Director	$122,336			Mixed	31 Mar 2026
Alexandra M. A. Hlila	Evp & Gm Global Pest	$114,802			Mixed	18 Feb 2026
Julie P. Whalen	Director	$89,527			Mixed	31 Mar 2026
Benjamin M. Clark	EVP - Global Supply Chain	$21,558			Mixed	03 Dec 2025

Top shareholders of ECOLAB INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
William H. Gates III	3/4/5	10%+ Owner	— class O/S missing	29,178,741	$7,202,772,216	—	20 Nov 2024	3/4/5
BlackRock, Inc.	13F	Company	— class O/S missing	22,807,096	$6,067,143,803	—	31 Mar 2026	13F
VANGUARD CAPITAL MANAGEMENT LLC	13F	Company	— class O/S missing	16,522,569	$4,395,333,806	—	31 Mar 2026	13F
JPMORGAN CHASE & CO	13F	Company	— class O/S missing	11,662,354	$3,061,251,939	—	31 Mar 2026	13F
STATE STREET CORP	13F	Company	— class O/S missing	11,222,653	$2,993,452,789	—	31 Mar 2026	13F
MORGAN STANLEY	13F	Company	— class O/S missing	7,791,023	$2,072,568,806	—	31 Mar 2026	13F
VANGUARD PORTFOLIO MANAGEMENT LLC	13F	Company	— class O/S missing	6,319,029	$1,680,988,095	—	31 Mar 2026	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	— class O/S missing	5,990,534	$1,607,983,760	—	31 Mar 2026	13F
GATES FOUNDATION TRUST	13F	Company	— class O/S missing	5,218,044	$1,388,104,065	—	31 Mar 2026	13F
Aristotle Capital Management, LLC	13F	Company	— class O/S missing	3,708,479	$986,547,988	—	31 Mar 2026	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	— class O/S missing	3,565,713	$948,550,974	—	31 Mar 2026	13F
ROYAL BANK OF CANADA	13F	Company	— class O/S missing	3,496,925	$930,253,000	—	31 Mar 2026	13F
Pictet Asset Management Holding SA	13F	Company	— class O/S missing	3,259,055	$866,818,148	—	31 Mar 2026	13F
Capital Research Global Investors	13F	Company	— class O/S missing	3,072,430	$817,297,638	—	31 Mar 2026	13F
NORTHERN TRUST CORP	13F	Company	— class O/S missing	2,780,360	$739,631,367	—	31 Mar 2026	13F
Invesco Ltd.	13F	Company	— class O/S missing	2,601,641	$692,088,650	—	31 Mar 2026	13F
FRANKLIN RESOURCES INC	13F	Company	— class O/S missing	2,509,572	$667,596,344	—	31 Mar 2026	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	— class O/S missing	2,243,825	$596,902,327	—	31 Mar 2026	13F
GOLDMAN SACHS GROUP INC	13F	Company	— class O/S missing	2,009,164	$534,477,763	—	31 Mar 2026	13F
Legal & General Group Plc	13F	Company	— class O/S missing	1,940,930	$516,326,199	—	31 Mar 2026	13F
FMR LLC	13F	Company	— class O/S missing	1,800,313	$478,919,224	—	31 Mar 2026	13F
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	13F	Company	— class O/S missing	1,797,894	$478,275,666	—	31 Mar 2026	13F
NORDEA INVESTMENT MANAGEMENT AB	13F	Company	— class O/S missing	1,759,281	$457,694,545	—	31 Mar 2026	13F
Swedbank AB	13F	Company	— class O/S missing	1,718,777	$457,229,057	—	31 Mar 2026	13F
JANUS HENDERSON GROUP PLC	13F	Company	— class O/S missing	1,701,151	$452,536,827	—	31 Mar 2026	13F
WELLS FARGO & COMPANY/MN	13F	Company	— class O/S missing	1,621,173	$431,263,909	—	31 Mar 2026	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	— class O/S missing	1,581,311	$420,660,352	—	31 Mar 2026	13F
Capital World Investors	13F	Company	— class O/S missing	1,536,388	$408,709,936	—	31 Mar 2026	13F
Bank of New York Mellon Corp	13F	Company	— class O/S missing	1,515,842	$403,244,371	—	31 Mar 2026	13F
VANGUARD FIDUCIARY TRUST CO	13F	Company	— class O/S missing	1,441,629	$383,502,147	—	31 Mar 2026	13F
Nuveen, LLC	13F	Company	— class O/S missing	1,391,721	$370,225,620	—	31 Mar 2026	13F
ENVESTNET ASSET MANAGEMENT INC	13F	Company	— class O/S missing	1,375,929	$366,026,480	—	31 Mar 2026	13F
UBS Group AG	13F	Company	— class O/S missing	1,272,769	$338,582,009	—	31 Mar 2026	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	— class O/S missing	1,182,558	$314,584,079	—	31 Mar 2026	13F
Mirova US LLC	13F	Company	— class O/S missing	1,169,995	$311,242,070	—	31 Mar 2026	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	— class O/S missing	1,169,673	$307,027,465	—	31 Mar 2026	13F
BROWN ADVISORY INC	13F	Company	— class O/S missing	1,084,615	$288,534,208	—	31 Mar 2026	13F
US BANCORP \DE\	13F	Company	— class O/S missing	1,064,698	$283,231,307	—	31 Mar 2026	13F
Allianz Asset Management GmbH	13F	Company	— class O/S missing	1,053,414	$280,229,193	—	31 Mar 2026	13F
FIRST TRUST ADVISORS LP	13F	Company	— class O/S missing	1,009,396	$268,519,572	—	31 Mar 2026	13F
HSBC HOLDINGS PLC	13F	Company	— class O/S missing	997,987	$265,209,846	—	31 Mar 2026	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	— class O/S missing	982,363	$261,304,593	—	31 Mar 2026	13F
Corient Private Wealth LLC	13F	Company	— class O/S missing	947,521	$251,643,218	—	31 Mar 2026	13F
KING LUTHER CAPITAL MANAGEMENT CORP	13F	Company	— class O/S missing	914,704	$243,329,558	—	31 Mar 2026	13F
Vontobel Holding Ltd.	13F	Company	— class O/S missing	880,466	$234,221,566	—	31 Mar 2026	13F
BLAIR WILLIAM & CO/IL	13F	Company	— class O/S missing	866,411	$230,482,633	—	31 Mar 2026	13F
AMERIPRISE FINANCIAL INC	13F	Company	— class O/S missing	865,944	$229,948,853	—	31 Mar 2026	13F
Impax Asset Management Group plc	13F	Company	— class O/S missing	859,293	$228,589,124	—	31 Mar 2026	13F
Sustainable Growth Advisers, LP	13F	Company	— class O/S missing	847,258	$225,387,573	—	31 Mar 2026	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	— class O/S missing	838,001	$222,926,000	—	31 Mar 2026	13F

Recent Insider Transactions by Companies or Individuals for ECOLAB INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
David W. MacLennan	ECL	Common Stock	Purchase	4.13%	$250,650	$250.65	1,000	25,230	13 May 2026	Direct
Gregory B. Cook	ECL	Common Stock	Tax liability	-19.1%			-3,829	16,241	04 May 2026	Direct
Gregory B. Cook	ECL	Common Stock	Options Exercise	71.9%			8,396	20,069	04 May 2026	Direct
Gregory B. Cook	ECL	Restricted Stock Units	Options Exercise	-100%			-8,396	0	04 May 2026	Direct
David W. MacLennan	ECL	Common Stock	Purchase	3.41%	$205,530	$256.91	800	24,230	04 May 2026	Direct
John J. Zillmer	ECL	Common Stock	Award	0.28%			138	49,192	31 Mar 2026	Direct
Julie P. Whalen	ECL	Common Stock	Award	67.8%			138	341	31 Mar 2026	Direct
Suzanne M. Vautrinot	ECL	Common Stock	Award	1.2%			138	11,651	31 Mar 2026	Direct
Victoria J. Reich	ECL	Common Stock	Award	0.55%			138	25,377	31 Mar 2026	Direct
Lionel L. Nowell III	ECL	Common Stock	Award	2.12%			138	6,625	31 Mar 2026	Direct
Tracy B. McKibben	ECL	Common Stock	Award	1.21%			138	11,516	31 Mar 2026	Direct
David W. MacLennan	ECL	Common Stock	Award	0.8%			187	23,430	31 Mar 2026	Direct
Michael Larson	ECL	Common Stock	Award	0.73%			138	19,008	31 Mar 2026	Direct
Marion K. Gross	ECL	Common Stock	Award	42%			138	466	31 Mar 2026	Direct
Eric M. Green	ECL	Common Stock	Award	7.87%			290	3,974	31 Mar 2026	Direct
Michel D. Doukeris	ECL	Common Stock	Award	31.4%			138	576	31 Mar 2026	Direct
Shari L. Ballard	ECL	Common Stock	Award	3.02%			276	9,400	31 Mar 2026	Direct
Judson B. Althoff	ECL	Common Stock	Award	13.8%			138	1,140	31 Mar 2026	Direct
Michael Larson	ECL	Common Stock	Tax liability	-5.07%			-1,006	18,842	27 Mar 2026	Direct
Michael Larson	ECL	Common Stock	Options Exercise	13.1%			2,300	19,848	27 Mar 2026	Direct
Michael Larson	ECL	Non-Employee Stock Option (Right to Buy)	Options Exercise	-100%			-2,300	0	27 Mar 2026	Direct
Gregory B. Cook	ECL	Common Stock	Sale	-23.2%	$1,070,656	$304.25	-3,519	11,673	26 Feb 2026	Direct
Gregory B. Cook	ECL	Common Stock	Options Exercise	33.4%			3,800	15,192	26 Feb 2026	Direct
Gregory B. Cook	ECL	Employee Stock Option (Right to Buy)	Options Exercise	-100%			-3,800	0	26 Feb 2026	Direct
Margeaux M. King	ECL	Common Stock	Tax liability	-31.5%			-527	1,147	25 Feb 2026	Direct
Margeaux M. King	ECL	Common Stock	Options Exercise	13850%			1,662	1,674	25 Feb 2026	Direct
Margeaux M. King	ECL	Restricted Stock Units	Options Exercise	-33.3%			-1,662	3,326	25 Feb 2026	Direct
Tracy B. McKibben	ECL	Common Stock	Sale	-10%	$390,455	$308.66	-1,265	11,358	25 Feb 2026	Direct
Tracy B. McKibben	ECL	Common Stock	Options Exercise	22.3%			2,300	12,623	25 Feb 2026	Direct
Tracy B. McKibben	ECL	Non-Employee Stock Option (Right to Buy)	Options Exercise	-100%			-2,300	0	25 Feb 2026	Direct
Christophe Beck	ECL	Common Stock	Sale	-18%	$6,147,362	$307.37	-20,000	90,794	24 Feb 2026	Direct
Christophe Beck	ECL	Common Stock	Options Exercise	27.4%			23,833	110,794	24 Feb 2026	Direct
Christophe Beck	ECL	Employee Stock Option (Right to Buy)	Options Exercise	-100%			-23,833	0	24 Feb 2026	Direct
Scott D. Kirkland	ECL	Common Stock	Gift	-2.33%			-404	16,909	24 Feb 2026	Direct
Scott D. Kirkland	ECL	Common Stock	Tax liability	-18.6%			-3,956	17,313	18 Feb 2026	Direct
Scott D. Kirkland	ECL	Common Stock	Award	84.5%			9,740	21,270	18 Feb 2026	Direct
Alexandra M. A. Hlila	ECL	Common Stock	Tax liability	-36.2%			-215	379	18 Feb 2026	Direct
Alexandra M. A. Hlila	ECL	Common Stock	Award	596.1%			508	593	18 Feb 2026	Direct
Alexander A. de Boo	ECL	Common Stock	Tax liability	-1.55%			-126	7,971	18 Feb 2026	Direct
Alexander A. de Boo	ECL	Common Stock	Award	41.4%			2,371	8,097	18 Feb 2026	Direct
Gregory B. Cook	ECL	Common Stock	Tax liability	-8.56%			-1,066	11,392	18 Feb 2026	Direct
Gregory B. Cook	ECL	Common Stock	Award	37.4%			3,388	12,458	18 Feb 2026	Direct
Darrell R. Brown	ECL	Common Stock	Tax liability	-9.07%			-3,264	32,733	18 Feb 2026	Direct
Darrell R. Brown	ECL	Common Stock	Award	30.8%			8,469	35,998	18 Feb 2026	Direct
Jennifer J. Bradway	ECL	Common Stock	Tax liability	-8.96%			-596	6,058	18 Feb 2026	Direct
Jennifer J. Bradway	ECL	Common Stock	Award	41.4%			1,948	6,654	18 Feb 2026	Direct
Jandeen M. Boone	ECL	Common Stock	Tax liability	-17.5%			-201	944	18 Feb 2026	Direct
Jandeen M. Boone	ECL	Common Stock	Award	107.4%			593	1,145	18 Feb 2026	Direct
Christophe Beck	ECL	Common Stock	Tax liability	-11.3%			-11,091	86,961	18 Feb 2026	Direct
Christophe Beck	ECL	Common Stock	Award	35%			25,408	98,052	18 Feb 2026	Direct

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