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
Feb 28, 2026
Reporting period
Not applicable
Filed with the SEC
Mar 3, 2026
OfficerOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references tax withholding
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0000062709-26-000061
Filed / recorded
Mar 3, 2026, 9:13 PM UTC
Added to OQRO
Oct 2, 2026, 12:28 PM UTC
Parser
form4-xml-v1
Data quality
Verified: identifiers matched exactly
Issuer
MARSH & MCLENNAN COMPANIES, INC.
Issuer CIK
62709
Ticker
MRSH
Reporting person
Katherine Brennan
Relationship
Officer
Officer title
SVP and General Counsel
Security
Restricted Stock Units
Table
Derivative (Table II)
Transaction date
Feb 28, 2026
Transaction code
M
Shares / units
6,970
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
0
Ownership form
Direct
Amendment
No
Footnotes from the filing
The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis.
Vesting and distribution to reporting person of 6,970 shares underlying restricted stock units of which 3,855 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 6,970 shares underlying restricted stock units relate to performance stock units that were granted on February 23, 2023 for the performance period 2023-2025.