Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Mar 27, 2026
Reporting period
Not applicable
Filed with the SEC
Mar 30, 2026
DirectorOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001098825-26-000004
Filed / recorded
Mar 30, 2026, 10:10 PM UTC
Added to OQRO
Oct 2, 2026, 12:27 PM UTC
Parser
form4-xml-v1
Data quality
Verified: identifiers matched exactly
Issuer
ECOLAB INC.
Issuer CIK
31462
Ticker
ECL
Reporting person
Michael Larson
Relationship
Director
Security
Non-Employee Stock Option (Right to Buy)
Table
Derivative (Table II)
Transaction date
Mar 27, 2026
Transaction code
M
Shares / units
2,300
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
0
Ownership form
Direct
Amendment
No
Footnotes from the filing
The option became exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant. The date listed in the "Date Exercisable" column represents the first vesting date.