ECL

ECOLAB INC.

Consumer Defensive Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics Market cap: $80.2B All insider activity → Quote and statistics → Sign in to watch ECL Sign in to set a price alert

AI summary Insiders buy Ecolab shares following strong first-quarter financial results and reaffirmed annual guidance.

Insider Score Band below 60

Research score: 50
AI adjustment: +9

Research score, not a recommendation.

Total bought$2.7M4 Form 4 purchases

Distinct insiders3open-market buyers

Lead insiderDoukeris Michel DDirector

Cluster window2026-05-04 → 2026-06-11active

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders

37%

Seniority executive rank of buyers (CEO/CFO/Director)

60%

Commitment purchase size relative to company & holdings

52%

Context buying into stock weakness signals conviction

36%

Timing coordinated purchases within a tight window

82%

Routine-purchase discount × 1.00

Company-type / offering discount × 1.00

Net insider selling penalty − 15

Why are they buying?

AI · discretionary · catalyst credible · documented

Directors and executives made open-market purchases shortly after the company reported double-digit EPS growth, accelerated organic sales, and maintained its full-year 2026 adjusted diluted EPS outlook.

Ecolab reported first-quarter 2026 adjusted diluted EPS of $1.70, up 13%, and maintained its 2026 adjusted diluted EPS outlook in the $8.43 to $8.63 range.

Filing references and sources

Ecolab News Release April 28, 2026 (opens in a new tab)

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

4 Form 4 trades · 3 insiders Sign in to download CSV

Purchases in this cluster, grouped by insider, largest first
Date	Insider	Role	Shares	Price	Value	Filing
2026-06-10	Doukeris Michel D history of Doukeris Michel D's purchases	Director	7,750	$258.00	$2.0M	SEC filing for Doukeris Michel D (opens in a new tab)
2026-05-04 → 2026-05-13	MacLennan David 19 purchases with a 63-day result · median -0.4%	Director	1,800	$253.43 avg	$456.2K
2026-05-04	MacLennan David		800	$256.91	$205.5K	SEC filing for MacLennan David (opens in a new tab)
2026-05-13	MacLennan David		1,000	$250.65	$250.7K	SEC filing for MacLennan David (opens in a new tab)
2026-06-11	Clark Benjamin M. history of Clark Benjamin M.'s purchases	EVP / SVP	1,000	$263.83	$263.8K	SEC filing for Clark Benjamin M. (opens in a new tab)
Total					$2.7M

What happened next

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

After this run became a cluster: 21 days +2.7%63 days +2.0%126 days –