According to recent filings covering the 90 days ending January 14, 2026, the three most significant insider holders at Marsh & Mclennan Companies are Evp And General Counsel Peter J Beshar (505.31K shares), President And Ceo And Mmc Daniel S Glaser (101.07K shares), President And Ceo John Q Doyle (87.68K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Peter J Beshar | Evp And General Counsel | 505,312 | 02 Mar, 2022 |
| Daniel S Glaser | President And Ceo And Mmc | 101,074 | 08 Mar, 2022 |
| John Q Doyle | President And Ceo | 87,681 | 02 Dec, 2025 |
| Marc D Oken | 53,823 | 07 Dec, 2021 | |
| Steven A Mills | 51,454 | 18 Nov, 2025 | |
| Oscar Fanjul | 43,986 | 15 May, 2025 | |
| Bruce P Nolop | 43,533 | 02 Jun, 2023 | |
| H Edward Hanway | 35,519 | 03 Jun, 2025 | |
| Mark C Mcgivney | Chief Financial Officer | 33,678 | 11 Mar, 2025 |
| Nicholas Mark Studer | President And Ceo Of Owg | 28,329 | 14 Mar, 2025 |
| Dean Michael Klisura | President & Ceo And Guy Carpenter | 20,935 | 01 Apr, 2025 |
| Scott Mcdonald | President And Ceo Of Owg | 18,763 | 04 Jun, 2021 |
| Martin South | President & Ceo And Marsh | 17,063 | 05 Mar, 2025 |
| Paul Beswick | Svp And Chief Information Officer | 13,522 | 07 Apr, 2025 |
| Carmen Fernandez | Svp And Chief People Officer | 10,145 | 04 Mar, 2025 |
| Martine Ferland | President And Ceo And Mercer | 9,979 | 06 Mar, 2024 |
| John Jude Jones | Chief Marketing Officer | 7,978 | 07 Mar, 2025 |
| Dominic Burke | Vice Chairman | 6,602 | 04 May, 2021 |
| Katherine Brennan | Svp And General Counsel | 4,215 | 04 Mar, 2025 |
| Judith Hartmann | 2,974 | 03 Jun, 2025 | |
| Stacy Mills | Vice President And Controller | 2,705 | 22 May, 2025 |
| Patrick Tomlinson | President And Ceo And Mercer | 2,575 | 18 Mar, 2025 |
| Hafize Gaye Erkan | 2,346 | 02 Jun, 2023 | |
| Anthony Anderson | 2,000 | 31 Jul, 2025 | |
| Ray G Young | 1,248 | 02 Jun, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Dec, 2025 | John Q Doyle | Common Stock | A | 21,079 | $63.09 | 108,760 | D | M |
| 01 Dec, 2025 | John Q Doyle | Common Stock | D | 21,079 | $182.22 | 87,681 | D | S |
| 15 Nov, 2025 | Steven A Mills | Common Stock | A | 231 | $183.28 | 3,901 | D | A |
| 02 Sep, 2025 | John Q Doyle | Common Stock | D | 21,079 | $205.65 | 87,681 | D | S |
| 02 Sep, 2025 | John Q Doyle | Common Stock | A | 21,079 | $63.09 | 108,760 | D | M |
| 15 Aug, 2025 | Steven A Mills | Common Stock | A | 204 | $208.06 | 3,670 | D | A |
| 30 Jul, 2025 | Anthony Anderson | Common Stock | A | 500 | $201.02 | 2,000 | D | P |
| 30 Jul, 2025 | Anthony Anderson | - | - | 2,000 | D | |||
| 29 Jul, 2025 | Anthony Anderson | Common Stock | A | 500 | $202.20 | 1,500 | D | P |
| 29 Jul, 2025 | Anthony Anderson | - | - | 1,500 | D | |||
| 02 Jun, 2025 | John Q Doyle | Common Stock | A | 21,080 | $63.09 | 108,761 | D | M |
| 02 Jun, 2025 | John Q Doyle | Common Stock | D | 21,080 | $232.05 | 87,681 | D | S |
| 01 Jun, 2025 | Steven A Mills | Common Stock | A | 929 | $231.27 | 3,466 | D | A |
| 01 Jun, 2025 | H Edward Hanway | - | - | 35,519 | D | |||
| 01 Jun, 2025 | H Edward Hanway | Common Stock | A | 929 | $231.27 | 35,519 | D | A |
| 01 Jun, 2025 | Judith Hartmann | Common Stock | A | 929 | $231.27 | 2,974 | D | A |
| 20 May, 2025 | Stacy Mills | Common Stock | D | 218 | $0.00 | 2,705 | D | G |
| 20 May, 2025 | Stacy Mills | - | - | 2,705 | D | |||
| 15 May, 2025 | Steven A Mills | Common Stock | A | 185 | $222.22 | 2,537 | D | A |
| 15 May, 2025 | Oscar Fanjul | - | - | 43,997 | D |