ECOLAB INC. · Exercise / conversion · Common Stock

What does this filing report?

An SEC Form 4 filing for ECOLAB INC. records an exercise / conversion involving Common Stock on December 4, 2025. The reported quantity was 1,331. The filing date is December 5, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Filing footnotes & remarks

F1

Reflects the reporting person's payment of minimum statutory tax obligations by withholding shares of Ecolab Common Stock incident to the vesting of restricted stock units in accordance with Rule 16b-3.

F2

The option will be exercisable, on a cumulative basis, as to one-third of the option shares (excluding any fractional portion less than one share), on each of the first and second anniversaries of the date of grant and as to the remaining shares on the third anniversary of the date of grant. The date listed in the Date Exercisable column is the first anniversary of the date of grant.

F3

Represents the first (out of three) vesting of units from an initial grant of 3,993 restricted stock units made on December 4, 2024. The vesting schedule for the original grant provided for the units to vest, subject to continued employment, as to one-third of the units (excluding any fractional portion less than one unit), on each of the first and second anniversaries of the date of grant and as to the remaining units on the third anniversary of the date of grant. Restricted stock units convert into common stock on a one-for-one basis.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.