MRSH insider buying and SEC filings, explained
Marsh & McLennan Companies, Inc. · CIK 62709
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$5.8M
Planned sales (10b5-1)
$14.0M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 23, 2026 | Planned (10b5-1) | Dean Michael Klisura (CEO) sold 4,194 shares at $200.00 ($839K), marked as a 10b5-1 plan trade. Holdings down 17% to 20,935 shares. | SEC filing Filed Oct 26, 2026, 4:14 PM ET |
| Oct 23, 2026 | Planned (10b5-1) | Stacy Mills (Vice President and Controller) sold 1,215 shares at $200.00 ($243K), marked as a 10b5-1 plan trade. Holdings down 31% to 2,705 shares. | SEC filing Filed Oct 26, 2026, 4:11 PM ET |
| Sep 2, 2026 | Planned (10b5-1) | John Q Doyle (CEO) sold 16,656 shares at $188.51 ($3.1M), marked as a 10b5-1 plan trade. Holdings down 12% to 116,811 shares. | SEC filing Filed Sep 3, 2026 |
| Aug 6, 2026 | Sale | John Jude Jones (Chief Marketing Officer) sold 6,500 shares at $191.96 ($1.2M). Holdings down 81% to 1,478 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 7, 2026 |
| Jul 29, 2026 | Planned (10b5-1) | Paul Beswick (SVP, Chief Information Officer) sold 713 shares at $198.00 ($141K), marked as a 10b5-1 plan trade. Holdings down 4% to 16,376 shares. | SEC filing Filed Jul 31, 2026 |
| Jul 28, 2026 | Sale | Martin South (Chief Client Officer) sold 7,100 shares at $189.99 ($1.3M). Holdings down 30% to 16,632 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 29, 2026 |
| Jul 23, 2026 | Sale | Lloyd M Yates (Director) sold 12,000 shares at $175.65 ($2.1M). Holdings down 50% to 12,001 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 24, 2026 |
| Jun 2, 2026 | Planned (10b5-1) | John Q Doyle (CEO) sold 16,656 shares at $161.71 ($2.7M), marked as a 10b5-1 plan trade. Holdings down 12% to 116,811 shares. | SEC filing Filed Jun 3, 2026 |
| Mar 11, 2026 | Sale | John Jude Jones (Chief Marketing Officer) sold 2,362 shares at $173.61 ($410K). Holdings down 23% to 7,978 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 4, 2026 | Planned (10b5-1) | John Q Doyle (CEO) sold 16,655 shares at $183.30 ($3.1M), marked as a 10b5-1 plan trade. Holdings down 12% to 116,811 shares. | SEC filing Filed Mar 5, 2026 |
| Mar 3, 2026 | Sale | Nicholas Mark Studer (CEO) sold 3,837 shares at $184.03 ($706K). Holdings down 11% to 32,536 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Dec 1, 2025 | Planned (10b5-1) | John Q Doyle (CEO) sold 21,079 shares at $182.22 ($3.8M), marked as a 10b5-1 plan trade. Holdings down 19% to 87,681 shares. | SEC filing Filed Dec 2, 2025 |
85 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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