ECOLAB INC. 4

Gregory B. Cook, Co-COO of Ecolab Inc., sold 4,567.424 shares of Ecolab common stock for approximately $1.30 million and now holds 11,673.394 shares directly, plus additional indirect holdings via the Ecolab Savings Plan.

On August 11, 2026, Gregory B. Cook, Co-COO - Global Businesses of Ecolab Inc., reported an open-market sale of 4,567.424 shares of Ecolab common stock at a weighted average price of approximately $285.13 per share for total proceeds of about $1.30 million, leaving him with direct ownership of 11,673.394 shares. The sale was executed in multiple trades within a narrow price range of $285.1277 to $285.265, suggesting an orderly disposition rather than a block trade. In addition to his direct holdings, Cook also has indirect exposure through the Ecolab Savings Plan, where he held 3,624.511 units of the Ecolab Stock Fund as of July 31, 2026, equivalent to roughly 6,650 Ecolab common shares and reflecting a modest increase since his prior report.

Filing Facts

CIK

31462

Ticker

ECL

Form

4

Source Type

sec

Accession

0001628280-26-055786

Alert Tier

7