16 insiders reported 78 Form 4 transactions for MARSH & MCLENNAN COMPANIES, INC. (MMC) over the past 18 months (most recent 2025-12-02). Recent activity: Doyle John Q (President and CEO) Sell 21,079 shares, Doyle John Q (President and CEO) Buy 21,079 shares, MILLS STEVEN A (Director) Buy 231 shares, Doyle John Q (President and CEO) Buy 21,079 shares, Doyle John Q (President and CEO) Sell 21,079 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-02 | Doyle John Q | President and CEO | Sell | 21,079 | $3.8M |
| 2025-12-02 | Doyle John Q | President and CEO | Buy | 21,079 | $1.3M |
| 2025-11-18 | MILLS STEVEN A | Director | Buy | 231 | $42,338 |
| 2025-09-03 | Doyle John Q | President and CEO | Buy | 21,079 | $1.3M |
| 2025-09-03 | Doyle John Q | President and CEO | Sell | 21,079 | $4.3M |
| 2025-08-18 | MILLS STEVEN A | Director | Buy | 204 | $42,444 |
| 2025-07-31 | Anderson Anthony | Director | Buy | 500 | $101,100 |
| 2025-07-31 | Anderson Anthony | Director | Buy | 500 | $100,515 |
| 2025-06-03 | HANWAY H EDWARD | Director | Buy | 929 | $214,850 |
| 2025-06-03 | MILLS STEVEN A | Director | Buy | 929 | $214,850 |
| 2025-06-03 | Doyle John Q | President and CEO | Buy | 21,080 | $1.3M |
| 2025-06-03 | Doyle John Q | President and CEO | Sell | 21,080 | $4.9M |
| 2025-06-03 | Hartmann Judith | Director | Buy | 929 | $214,850 |
| 2025-05-22 | Mills Stacy | Vice President and Controller | Sell | 218 | $0 |
| 2025-05-15 | FANJUL OSCAR | Director | Buy | 158 | $35,002 |
| 2025-05-15 | FANJUL OSCAR | Director | Sell | 12 | $2,569 |
| 2025-05-15 | MILLS STEVEN A | Director | Buy | 185 | $41,111 |
| 2025-04-07 | Beswick Paul | SVP, Chief Information Officer | Buy | 1,000 | $118,870 |
| 2025-04-07 | Beswick Paul | SVP, Chief Information Officer | Sell | 2,237 | $550,302 |
| 2025-04-01 | Klisura Dean Michael | President & CEO, Guy Carpenter | Buy | 9,569 | $794,705 |
| 2025-04-01 | Klisura Dean Michael | President & CEO, Guy Carpenter | Sell | 9,569 | $2.3M |
| 2025-03-25 | FANJUL OSCAR | Director | Sell | 2,500 | $548,325 |
| 2025-03-25 | FANJUL OSCAR | Director | Sell | 2,500 | $551,100 |
| 2025-03-18 | Tomlinson Patrick | President and CEO, Mercer | Sell | 627 | $144,586 |
| 2025-03-18 | Tomlinson Patrick | President and CEO, Mercer | Buy | 1,227 | $0 |
Source: SEC Form 4 filings · as of 2025-12-02