The Filings Report

Ecolab, Inc. insider trading

ECLfinancial statementsForm 4 filings on EDGAR308 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 1 insider at Ecolab, Inc. bought $1M of stock in the open market, and 2 sold $6M. Officers and directors accounted for $1M of purchases and $6M of sales. The last reported transaction was an award by Zillmer John J on September 30, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 2, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

ECL daily priceSplit-adjusted prices in US dollars

Bought $1MSold $6MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $301.84 · H $305.71 · L $300.71 · C $302.96Bought $0 (0)Sold $0 (0)
$265$276$287$297$3082026-08-04: open $278.00, high $283.73, low $276.32, close $283.142026-08-05: open $285.00, high $286.46, low $282.37, close $285.472026-08-06: open $286.62, high $288.45, low $280.73, close $283.462026-08-07: open $282.72, high $287.71, low $282.20, close $285.172026-08-10: open $284.25, high $284.89, low $281.31, close $284.402026-08-11: open $282.79, high $286.34, low $281.63, close $284.632026-08-12: open $282.47, high $282.85, low $277.88, close $278.432026-08-13: open $278.95, high $279.62, low $274.53, close $276.262026-08-14: open $275.14, high $276.93, low $274.30, close $276.112026-08-17: open $274.12, high $277.21, low $273.33, close $275.842026-08-18: open $276.40, high $282.15, low $275.24, close $280.002026-08-19: open $280.35, high $285.78, low $279.10, close $285.622026-08-20: open $282.44, high $286.60, low $280.33, close $281.482026-08-21: open $281.32, high $283.65, low $278.45, close $281.632026-08-24: open $284.06, high $287.38, low $283.90, close $286.982026-08-25: open $286.99, high $290.28, low $285.00, close $289.542026-08-26: open $290.45, high $295.33, low $289.89, close $290.602026-08-27: open $287.38, high $288.75, low $284.43, close $285.912026-08-28: open $287.73, high $289.99, low $285.16, close $286.752026-08-31: open $285.35, high $286.31, low $281.33, close $283.202026-09-01: open $282.71, high $284.21, low $279.32, close $280.252026-09-02: open $281.68, high $284.96, low $278.89, close $279.902026-09-03: open $281.54, high $283.00, low $276.15, close $278.972026-09-04: open $275.87, high $280.50, low $275.25, close $279.282026-09-08: open $277.46, high $280.51, low $276.00, close $278.112026-09-09: open $276.00, high $277.17, low $272.21, close $272.212026-09-10: open $270.28, high $272.24, low $268.52, close $271.602026-09-11: open $274.21, high $277.55, low $273.04, close $276.182026-09-14: open $276.56, high $277.12, low $273.83, close $275.512026-09-15: open $276.40, high $277.45, low $272.57, close $274.602026-09-16: open $275.59, high $278.15, low $272.25, close $274.082026-09-17: open $276.98, high $276.98, low $271.67, close $271.682026-09-18: open $269.97, high $271.64, low $267.91, close $269.462026-09-21: open $272.10, high $272.11, low $267.83, close $269.982026-09-22: open $272.84, high $277.11, low $271.00, close $276.222026-09-23: open $275.39, high $277.81, low $273.66, close $276.722026-09-24: open $276.07, high $278.14, low $273.75, close $275.372026-09-25: open $276.36, high $280.66, low $273.14, close $279.492026-09-28: open $277.57, high $281.27, low $277.00, close $280.232026-09-29: open $279.20, high $280.82, low $276.72, close $277.872026-09-30: open $278.13, high $278.13, low $274.78, close $274.782026-10-01: open $272.69, high $273.60, low $267.46, close $271.252026-10-02: open $273.31, high $275.31, low $271.17, close $273.702026-10-05: open $272.06, high $279.57, low $271.00, close $277.022026-10-06: open $278.76, high $282.44, low $275.80, close $280.752026-10-07: open $279.02, high $280.08, low $277.51, close $277.962026-10-08: open $276.52, high $282.74, low $276.15, close $281.702026-10-09: open $281.69, high $282.69, low $279.90, close $281.832026-10-12: open $281.00, high $285.57, low $280.28, close $284.302026-10-13: open $286.31, high $287.00, low $283.69, close $285.662026-10-14: open $284.63, high $288.29, low $284.37, close $287.792026-10-15: open $292.15, high $295.95, low $290.38, close $290.812026-10-16: open $292.28, high $294.29, low $286.00, close $288.892026-10-19: open $287.35, high $290.00, low $284.12, close $285.942026-10-20: open $285.95, high $288.61, low $283.74, close $288.162026-10-21: open $287.92, high $289.67, low $285.00, close $287.962026-10-22: open $287.81, high $292.58, low $286.94, close $292.302026-10-23: open $290.58, high $292.28, low $286.57, close $288.532026-10-26: open $288.96, high $290.84, low $287.11, close $288.962026-10-27: open $284.16, high $294.75, low $283.99, close $291.272026-10-28: open $290.73, high $293.81, low $288.24, close $292.412026-10-29: open $295.13, high $302.59, low $293.29, close $300.862026-10-30: open $301.84, high $305.71, low $300.71, close $302.96Insider purchases / sales · USD$10M$0−$10M2026-08-11: 0 purchases ($0), 1 sales ($1M)2026-08-18: 0 purchases ($0), 1 sales ($5M)2026-09-11: 2 purchases ($1M), 0 sales ($0)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

308 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Sep 30, 2026Zillmer John JDirectoraward131$0.00—49,540Oct 2, 2026
Sep 30, 2026Whalen JulieDirectoraward131$0.00—604Oct 2, 2026
Sep 30, 2026Vautrinot Suzanne MDirectoraward131$0.00—11,960Oct 2, 2026
Sep 30, 2026Nowell Lionel L IIIDirectoraward131$0.00—6,922Oct 2, 2026
Sep 30, 2026McKibben Tracy BDirectoraward131$0.00—11,821Oct 2, 2026
Sep 30, 2026MacLennan DavidDirectoraward131$0.00—25,579Oct 2, 2026
Sep 30, 2026MacLennan DavidDirectoraward46$276.36$13K25,625Oct 2, 2026
Sep 30, 2026Larson MichaelDirectoraward131$0.00—19,326Oct 2, 2026
Sep 30, 2026Gross Marion K.Directoraward131$0.00—730Oct 2, 2026
Sep 30, 2026Green Eric MarkDirectoraward131$0.00—8,089Oct 2, 2026
Sep 30, 2026Green Eric MarkDirectoraward145$276.36$40K8,234Oct 2, 2026
Sep 30, 2026Doukeris Michel DDirectoraward131$0.00—8,590Oct 2, 2026
Sep 30, 2026Ballard Shari LDirectoraward131$0.00—9,842Oct 2, 2026
Sep 30, 2026Ballard Shari LDirectoraward131$276.36$36K9,973Oct 2, 2026
Sep 30, 2026Althoff JudsonDirectoraward131$0.00—1,407Oct 2, 2026
Sep 11, 2026Green Eric MarkDirectoropen-market buy3,370$276.58$932K7,627Sep 14, 2026
Sep 11, 2026Green Eric MarkDirectoropen-market buy320$277.29$89K7,947Sep 14, 2026
Aug 18, 2026Beck ChristopheCHAIRMAN, PRESIDENT & CEO, Directoropen-market sale17,862$280.14$5M72,932Aug 20, 2026
Aug 11, 2026Cook Gregory BCo-COO - Global Businessesopen-market sale4,567$285.13$1M11,673Aug 11, 2026
Aug 3, 2026Bradway Jennifer JSVP & CORPORATE CONTROLLERoption exercise6,457——12,548Aug 5, 2026
Aug 3, 2026Bradway Jennifer JSVP & CORPORATE CONTROLLERtax withholding2,944$278.79$821K9,603Aug 5, 2026
Jul 30, 2026Kirkland Scott DCHIEF FINANCIAL OFFICERoption exercise3,972$117.73$468K20,881Jul 31, 2026
Jul 30, 2026Kirkland Scott DCHIEF FINANCIAL OFFICERopen-market sale3,357$276.96$930K17,524Jul 31, 2026
Jun 30, 2026Zillmer John JDirectoraward130$0.00—49,365Jul 2, 2026
Jun 30, 2026Whalen JulieDirectoraward130$0.00—472Jul 2, 2026
Jun 30, 2026Vautrinot Suzanne MDirectoraward130$0.00—11,805Jul 2, 2026
Jun 30, 2026Nowell Lionel L IIIDirectoraward130$0.00—6,773Jul 2, 2026
Jun 30, 2026McKibben Tracy BDirectoraward130$0.00—11,668Jul 2, 2026
Jun 30, 2026MacLennan DavidDirectoraward130$0.00—25,381Jul 2, 2026
Jun 30, 2026MacLennan DavidDirectoraward46$278.46$13K25,427Jul 2, 2026
Jun 30, 2026Larson MichaelDirectoraward130$0.00—19,166Jul 2, 2026
Jun 30, 2026Gross Marion K.Directoraward130$0.00—597Jul 2, 2026
Jun 30, 2026Green Eric MarkDirectoraward130$0.00—4,114Jul 2, 2026
Jun 30, 2026Green Eric MarkDirectoraward144$278.46$40K4,257Jul 2, 2026
Jun 30, 2026Doukeris Michel DDirectoraward130$0.00—8,458Jul 2, 2026
Jun 30, 2026Ballard Shari LDirectoraward130$0.00—9,555Jul 2, 2026
Jun 30, 2026Ballard Shari LDirectoraward130$278.46$36K9,685Jul 2, 2026
Jun 30, 2026Althoff JudsonDirectoraward130$0.00—1,273Jul 2, 2026
Jun 11, 2026Clark Benjamin M.EVP - Global Supply Chainopen-market buy1,000$263.83$264K1,083Jun 15, 2026
Jun 10, 2026Doukeris Michel DDirectoropen-market buy7,750$258.00$2M8,326Jun 11, 2026
Jun 9, 2026Brown Darrell RCo-COO - Global Marketsoption exercise10,000$117.73$1M42,733Jun 10, 2026
Jun 9, 2026Brown Darrell RCo-COO - Global Marketsopen-market sale10,000$260.89$3M32,733Jun 10, 2026
May 27, 2026Vautrinot Suzanne MDirectoropen-market sale1,004$264.98$266K11,651May 27, 2026
May 22, 2026Vautrinot Suzanne MDirectoroption exercise2,000$125.67$251K13,651May 27, 2026
May 22, 2026Vautrinot Suzanne MDirectortax withholding996$252.27$251K12,655May 27, 2026
May 13, 2026MacLennan DavidDirectoropen-market buy1,000$250.65$251K25,230May 14, 2026
May 4, 2026Cook Gregory BCo-COO - Global Businessesoption exercise8,396——20,069May 6, 2026
May 4, 2026Cook Gregory BCo-COO - Global Businessestax withholding3,829$257.93$987K16,241May 6, 2026
May 4, 2026MacLennan DavidDirectoropen-market buy800$256.91$206K24,230May 5, 2026
Mar 31, 2026Zillmer John JDirectoraward138$0.00—49,192Apr 2, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Beck ChristopheCHAIRMAN, PRESIDENT & CEO, DirectorAug 18, 2026open-market sale72,932—$17M (5)0 of 5
Alfano Nicholas J.EVP & PRES - GLOBAL WATERFeb 18, 2026tax withholding5,948—$3M (1)0 of 1
Brown Darrell RCo-COO - Global MarketsJun 9, 2026option exercise42,733—$3M (1)0 of 1
Cook Gregory BCo-COO - Global BusinessesAug 11, 2026open-market sale11,673—$2M (2)0 of 2
Doukeris Michel DDirectorSep 30, 2026award8,590$2M (1)——
Green Eric MarkDirectorSep 30, 2026award8,089$1M (2)——
Kirkland Scott DCHIEF FINANCIAL OFFICERJul 30, 2026option exercise20,881—$930K (1)0 of 1
MacLennan DavidDirectorSep 30, 2026award25,579$649K (3)——
McKibben Tracy BDirectorSep 30, 2026award11,821—$390K (1)0 of 1
De Boo Alexander A.EVP & PRES - GLOBAL MARKETSFeb 18, 2026award8,097—$381K (1)0 of 1
Reich VictoriaDirectorMar 31, 2026award25,377—$301K (1)0 of 1
Vautrinot Suzanne MDirectorSep 30, 2026award11,960—$266K (1)0 of 1
Clark Benjamin M.EVP - Global Supply ChainJun 11, 2026open-market buy1,083$264K (1)——
Bradway Jennifer JSVP & CORPORATE CONTROLLERAug 3, 2026option exercise12,548—$185K (1)0 of 1
Cascade Investment, L.L.C.10% ownerNov 22, 2024open-market sale————
Ballard Shari LDirectorSep 30, 2026award9,842———
Larson MichaelDirectorSep 30, 2026award19,326———
Zillmer John JDirectorSep 30, 2026award49,540———
Nowell Lionel L IIIDirectorSep 30, 2026award6,922———
Althoff JudsonDirectorSep 30, 2026award1,407———
Higgins Arthur JDirectorMar 31, 2025award26,741———
Gates William H III10% ownerNov 4, 2024open-market sale————
Gross Marion K.DirectorSep 30, 2026award730———
Berger Larry LEVP & CHIEF TECHNICAL OFFICERFeb 26, 2025option exercise25,548———
Whalen JulieDirectorSep 30, 2026award604———
Boone Jandeen MEVP, GC & SecretaryFeb 18, 2026award1,145———
Hlila Alexandra M AEVP & GM - GLOBAL PESTFeb 18, 2026award593———
Duijser MachielEVP & CSCOFeb 19, 2025tax withholding5,601———
King MargeauxEVP - Human ResourcesFeb 25, 2026tax withholding1,147———
Saluja HarpreetEVP - CORP STRAT & BUS DEVDec 4, 2025option exercise1,331———
Marsh Laurie MEVP - HUMAN RESOURCESFeb 19, 2025award26,435———

Questions

Are Ecolab, Inc. insiders buying or selling?

Over the twelve months to November 1, 2026, 10 insiders at Ecolab, Inc. sold $27M of stock in the open market, all by officers and directors, and 4 insiders bought $4M, all by officers and directors. Net, insiders sold $23M. Only open-market purchases and sales are counted.

Who sold the most Ecolab, Inc. stock in the last year?

Beck Christophe (CHAIRMAN, PRESIDENT & CEO, Director) sold $17M in 5 open-market sales over the twelve months to November 1, 2026.

Do Ecolab, Inc. executives sell under 10b5-1 plans?

0 of the 15 open-market sales in the last twelve months (0%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Ecolab, Inc.

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.