🕵️ Marsh & McLennan Companies, Inc. ($MRSH)
SEC insider & ownership activity, last 12 months · CIK 62709 · every row links its SEC filing
Over the last 12 months insiders sold $18.9M with no open-market buying against it. John Q. Doyle sold $12.7M through a 10b5-1 trading plan in 4 lots (Dec–Sep). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 7 sellers, $18.9M (11 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| John Q. Doyle | 0 | – | 4 | $12.7M | Sep 2, 2026 |
| Lloyd M. Yates | 0 | – | 1 | $2.1M | Jul 23, 2026 |
| Jones John Jude | 0 | – | 2 | $1.7M | Aug 6, 2026 |
| South Martin | 0 | – | 1 | $1.3M | Jul 28, 2026 |
| Studer Nicholas Mark | 0 | – | 1 | $706K | Mar 3, 2026 |
| Brennan Katherine | 0 | – | 1 | $225K | Sep 2, 2026 |
| Beswick Paul | 0 | – | 1 | $141K | Jul 29, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Capital Management | 7.5% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Brennan Katherine | $225K | Sep 2, 2026 | filing ↗ |
| John Q. Doyle | $3.1M | Sep 2, 2026 | filing ↗ |
| Jones John Jude | $1.2M | Aug 6, 2026 | filing ↗ |
| Beswick Paul | $141K | Jul 29, 2026 | filing ↗ |
| South Martin | $1.3M | Jul 28, 2026 | filing ↗ |
| Lloyd M. Yates | $2.1M | Jul 23, 2026 | filing ↗ |
| John Q. Doyle | $2.7M | Jun 2, 2026 | filing ↗ |
| Jones John Jude | $410K | Mar 11, 2026 | filing ↗ |
| John Q. Doyle | $3.1M | Mar 4, 2026 | filing ↗ |
| Studer Nicholas Mark | $706K | Mar 3, 2026 | filing ↗ |
| John Q. Doyle | $3.8M | Dec 1, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 21, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 2, 2026 | filing ↗ |
| Agreement terminated (1.02) | Jun 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 2, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 21, 2026 | filing ↗ |
| Earnings (2.02) | Apr 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 16, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 8, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 10, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 25, 2026 | filing ↗ |
| Other events (8.01) | Feb 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 19, 2026 | filing ↗ |
| Earnings (2.02) | Jan 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 29, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jan 14, 2026 | filing ↗ |
| Earnings (2.02) | Oct 16, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 16, 2025 | filing ↗ |