Marsh & McLennan Companies, Inc. (MRSH) has 20 known insider and institutional holders on record. The largest holder is Glaser Daniel S with 101,074 shares. Other notable holders include SCHAPIRO MORTON O and Doyle John Q.
Over the last 12 months, insiders have made 83 transactions in MRSH stock — 61 buys (valued at $1.65M) and 2 sells (valued at $1.12M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
MRSH Insider Ownership
Top Holder
Glaser Daniel S
101,074 shares
Buys (12 mo)
61
$1.65M value
Sells (12 mo)
2
$1.12M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Glaser Daniel S |
President and CEO, Mmc |
101,074 |
2022-03-08 |
|
| 2 |
Schapiro Morton O |
Director |
88,106 |
2026-02-18 |
|
| 3 |
Doyle John Q |
President and CEO |
49,968 |
2026-03-05 |
|
| 4 |
Oken Marc D |
Director |
48,823 |
2021-12-07 |
|
| 5 |
Fanjul Oscar |
Director |
43,986 |
2025-05-15 |
|
| 6 |
Nolop Bruce P |
Director |
43,533 |
2023-06-02 |
|
| 7 |
Yost R David |
Director |
39,003 |
2023-05-17 |
|
| 8 |
Hanway H Edward |
Director |
35,519 |
2025-06-03 |
|
| 9 |
Hopkins Deborah C |
Director |
19,953 |
2026-02-18 |
|
| 10 |
Mcdonald Scott |
President and CEO of Owg |
18,763 |
2021-03-08 |
|
| 11 |
Mcgivney Mark C |
Chief Financial Officer |
17,961 |
2026-02-26 |
|
| 12 |
Anderson Anthony |
Director |
15,645 |
2026-02-18 |
|
| 13 |
South Martin |
President & CEO, Marsh Risk |
14,476 |
2026-02-26 |
|
| 14 |
Beshar Peter J |
EVP and General Counsel |
14,149 |
2022-02-24 |
|
| 15 |
Yates Lloyd M |
Director |
10,546 |
2026-02-18 |
|
| 16 |
Ferland Martine |
President and CEO, Mercer |
9,979 |
2024-03-06 |
|
| 17 |
Hearn Peter C |
President & CEO, Guy Carpenter |
9,866 |
2021-03-08 |
|
| 18 |
Klisura Dean Michael |
President & CEO, Guy Carpenter |
9,383 |
2026-02-26 |
|
| 19 |
Ledford Laurie |
SVP & Chief HR Officer |
8,939 |
2020-08-04 |
|
| 20 |
Jones John Jude |
Chief Marketing Officer |
7,978 |
2026-03-12 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-01 |
Studer Nicholas Mark |
President and CEO Marsh Risk |
RSU Award |
5,766 |
- |
- |
| 2026-03-15 |
Tomlinson Patrick |
President and CEO, Mercer |
Tax Withholding of RSU |
627 |
$172.15 |
$107.94K |
| 2026-03-11 |
Jones John Jude |
Chief Marketing Officer |
Informative Sell |
2,362 |
$173.61 |
$410.07K |
| 2026-03-04 |
Doyle John Q |
President and CEO |
Option Exercise (Sell) |
16,655 |
$73.20 |
$1.22M |
| 2026-03-03 |
Studer Nicholas Mark |
President and CEO of Owg |
Informative Sell |
3,837 |
$184.03 |
$706.12K |
| 2026-02-25 |
Harrison Peter |
Director |
Unknown |
- |
- |
- |
| 2026-02-28 |
Tomlinson Patrick |
President and CEO, Mercer |
Tax Withholding of RSU |
1,139 |
$186.74 |
$212.7K |
| 2026-02-28 |
Jones John Jude |
Chief Marketing Officer |
Option Exercise (Sell) |
4,826 |
- |
- |
| 2026-02-28 |
Brennan Katherine |
SVP and General Counsel |
Option Exercise (Sell) |
6,970 |
- |
- |
| 2026-02-28 |
Klisura Dean Michael |
President & CEO, Guy Carpenter |
Option Exercise (Sell) |
9,383 |
- |
- |
| 2026-02-28 |
South Martin |
President & CEO, Marsh Risk |
Option Exercise (Sell) |
14,476 |
- |
- |
| 2026-02-28 |
Studer Nicholas Mark |
President and CEO of Owg |
Option Exercise (Sell) |
8,044 |
- |
- |
| 2026-02-28 |
Fernandez Carmen |
SVP, Chief People Officer |
Option Exercise (Sell) |
6,970 |
- |
- |
| 2026-02-28 |
Beswick Paul |
SVP, Chief Information Officer |
Option Exercise (Sell) |
6,970 |
- |
- |
| 2026-02-28 |
Mills Stacy |
Vice President and Controller |
Option Exercise (Sell) |
2,723 |
- |
- |
| 2026-02-28 |
Doyle John Q |
President and CEO |
Option Exercise (Sell) |
59,510 |
- |
- |
| 2026-02-28 |
Mcgivney Mark C |
Chief Financial Officer |
Option Exercise (Sell) |
17,961 |
- |
- |
| 2026-02-24 |
Tomlinson Patrick |
President and CEO, Mercer |
RSU Award |
1,609 |
- |
- |
| 2026-02-24 |
Jones John Jude |
Chief Marketing Officer |
RSU Award |
4,826 |
- |
- |
| 2026-02-24 |
Brennan Katherine |
SVP and General Counsel |
RSU Award |
6,970 |
- |
- |
| 2026-02-24 |
Klisura Dean Michael |
President & CEO, Guy Carpenter |
RSU Award |
9,383 |
- |
- |
| 2026-02-24 |
South Martin |
President & CEO, Marsh Risk |
RSU Award |
14,476 |
- |
- |
| 2026-02-24 |
Studer Nicholas Mark |
President and CEO of Owg |
RSU Award |
8,044 |
- |
- |
| 2026-02-24 |
Fernandez Carmen |
SVP, Chief People Officer |
RSU Award |
6,970 |
- |
- |
| 2026-02-24 |
Beswick Paul |
SVP, Chief Information Officer |
RSU Award |
6,970 |
- |
- |