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
CEOOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references an employee stock purchase plan
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0000062709-26-000054
Filed / recorded
Mar 3, 2026, 9:05 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
Martin South
Relationship
Officer
Officer title
President & CEO, Marsh Risk
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Feb 28, 2026
Transaction code
M
Shares / units
14,476
Price per share
$0.00
Acquired / disposed
Acquired (A)
Shares owned after
31,656.539
Ownership form
Direct
Amendment
No
Footnotes from the filing
Vesting and distribution to reporting person of 14,476 shares underlying restricted stock units of which 8,006 were withheld by Marsh & McLennan Companies to cover applicable taxes. These 14,476 shares underlying restricted stock units relate to performance stock units that were granted on February 23, 2023 for the performance period 2023-2025.
Includes 118.022 shares acquired under the Marsh & McLennan Companies Employee Stock Purchase Plan for the quarters ended March 31, June 30, September 30 and December 31, 2025.