Ecolab Inc. ECL NYSE

NYSE • Basic Materials • Chemicals - Specialty • US • USD

SharesGrow Score

70/100

4/7 Pass

SharesGrow Intrinsic Value

Ecolab Inc. (ECL) has 20 known insider and institutional holders on record. The largest holder is CASCADE INVESTMENT, L.L.C. with 31,185,470 shares. Other notable holders include GATES WILLIAM H III and BAKER DOUGLAS M JR.

Over the last 12 months, insiders have made 117 transactions in ECL stock — 78 buys (valued at $43.28M) and 1 sells (valued at $383.4K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

ECL Insider Ownership

Top Holder

CASCADE INVESTMENT, L.L.C.

31,185,470 shares

Buys (12 mo)

$43.28M value

Sells (12 mo)

$383.4K value

12-Month Transaction Activity

Buy 67%

Sell 1%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Cascade Investment, L.l.c.	Director	31,185,470	2022-08-23	100%
2	Gates William H Iii	10 Percent Owner	29,348,741	2024-11-22	94%
3	Baker Douglas M Jr	Officer	617,066	2022-02-25	2%
4	Beck Christophe	Chairman & CEO	86,961	2026-02-20	0%
5	Zillmer John J	Director	49,192	2026-04-02	0%
6	Mccormick Michael C.	EVP Corporate Affairs	47,067	2022-08-17	0%
7	Brown Darrell R	President & COO	32,733	2026-02-20	0%
8	Beck Barbara	Director	32,599	2024-04-02	0%
9	Higgins Arthur J	Director	26,741	2025-04-02	0%
10	Marsh Laurie M	EVP - Human Resources	25,810	2025-02-21	0%
11	Reich Victoria	Director	25,377	2026-04-02	0%
12	Maclennan David	Director	23,381	2026-04-02	0%
13	Mulhere Timothy P	Officer	21,907	2022-02-25	0%
14	Larson Michael	Director	19,008	2026-04-02	0%
15	Kirkland Scott D	Chief Financial Officer	16,909	2026-02-25	0%
16	Berger Larry L	EVP & Chief Technical Officer	15,744	2025-02-21	0%
17	Minnix Lanesha	EVP, Gc & Secretary	13,390	2023-12-08	0%
18	Vautrinot Suzanne M	Director	11,651	2026-04-02	0%
19	Mckibben Tracy B	Director	11,516	2026-04-02	0%
20	Cook Gregory B	EVP & Pres - Inst Group	11,392	2026-02-20	0%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-03-31	Doukeris Michel D	Director	RSU Award	138	-	-
2026-03-31	Gross Marion K.	Director	RSU Award	138	-	-
2026-03-31	Althoff Judson	Director	RSU Award	138	-	-
2026-03-31	Vautrinot Suzanne M	Director	RSU Award	138	-	-
2026-03-31	Mckibben Tracy B	Director	RSU Award	138	-	-
2026-03-31	Maclennan David	Director	RSU Award	138	-	-
2026-03-31	Green Eric Mark	Director	RSU Award	138	-	-
2026-03-31	Ballard Shari L	Director	RSU Award	138	-	-
2026-03-31	Whalen Julie	Director	RSU Award	138	-	-
2026-03-31	Reich Victoria	Director	RSU Award	138	-	-
2026-03-31	Zillmer John J	Director	RSU Award	138	-	-
2026-03-31	Nowell Lionel L Iii	Director	RSU Award	138	-	-
2026-03-31	Larson Michael	Director	RSU Award	138	-	-
2026-03-27	Larson Michael	Director	Option Exercise (Sell)	2,300	$115.08	$264.67K
2026-02-26	Cook Gregory B	EVP & Pres - Inst Group	Option Exercise (Sell)	3,800	$137.09	$520.93K
2026-02-25	King Margeaux	EVP - Human Resources	Tax Withholding of RSU	527	$306.04	$161.28K
2026-02-25	Mckibben Tracy B	Director	Option Exercise (Sell)	2,300	$115.08	$264.67K
2026-02-24	Kirkland Scott D	Chief Financial Officer	Gift (Given)	404	-	-
2026-02-24	Beck Christophe	Chairman & CEO	Option Exercise (Sell)	23,833	$117.73	$2.81M
2026-02-18	Hlila Alexandra M A	EVP & GM - Global Pest	Tax Withholding of RSU	215	$303.15	$65.18K
2026-02-18	Boone Jandeen M	EVP, Gc & Secretary	Tax Withholding of RSU	201	$303.15	$60.93K
2026-02-18	Cook Gregory B	EVP & Pres - Inst Group	Tax Withholding of RSU	1,066	$303.15	$323.16K
2026-02-18	Alfano Nicholas J.	EVP & Pres - Global Water	Tax Withholding of RSU	975	$303.15	$295.57K
2026-02-18	Bradway Jennifer J	SVP & Corporate Controller	Tax Withholding of RSU	596	$303.15	$180.68K
2026-02-18	De Boo Alexander A.	EVP & Pres - Global Markets	Tax Withholding of RSU	126	$303.15	$38.2K