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Marsh & McLennan Companies stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+18.6% to $204.82
Marsh & McLennan Companies (MRSH) stock rose 19% over the last 252 sessions, to $204.82. On the way it reported 0 quarters, its insiders filed 4 open-market trades and 9 Form 144 notices of planned sales, and the company filed 4 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 5, 2026 | Form 144 | Form 144: Paul Beswick plans to sell $152K | −0.5% (+4.1% vs SPY) | — | — |
| Oct 23, 2026 | Form 144 | Form 144: Dean Michael Klisura plans to sell $839K | −0.9% (−0.4% vs SPY) | −1.1% (−1.8% vs SPY) | — |
| Oct 23, 2026 | Form 144 | Form 144: Stacy Mills plans to sell $243K | −0.9% (−0.4% vs SPY) | −1.1% (−1.8% vs SPY) | — |
| Sep 2, 2026 | Form 144 | Form 144: John Q. Doyle plans to sell $3.1M | +0.1% (−0.3% vs SPY) | −5.9% (−6.0% vs SPY) | −8.1% (−8.7% vs SPY) |
| Sep 2, 2026 | Form 144 | Form 144: Katherine Brennan plans to sell $225K | +0.1% (−0.3% vs SPY) | −5.9% (−6.0% vs SPY) | −8.1% (−8.7% vs SPY) |
| Sep 2, 2026 | Insider sale | Brennan Katherine sold $225K | +0.1% (−0.3% vs SPY) | −5.9% (−6.0% vs SPY) | −8.1% (−8.7% vs SPY) |
| Aug 6, 2026 | Form 144 | Form 144: John Jude Jones plans to sell $1.2M | +1.0% (+1.1% vs SPY) | −1.4% (−1.7% vs SPY) | −1.6% (−2.0% vs SPY) |
| Aug 6, 2026 | Insider sale | Jones John Jude sold $1.2M | +1.0% (+1.1% vs SPY) | −1.4% (−1.7% vs SPY) | −1.6% (−2.0% vs SPY) |
| Jul 29, 2026 | Form 144 | Form 144: Paul Beswick plans to sell $141K | +2.8% (+4.3% vs SPY) | −0.4% (−4.4% vs SPY) | +0.6% (−2.8% vs SPY) |
| Jul 28, 2026 | Form 144 | Form 144: Martin South plans to sell $1.3M | +4.7% (+4.5% vs SPY) | +5.1% (+2.6% vs SPY) | +5.4% (+1.8% vs SPY) |
| Jul 28, 2026 | Insider sale | South Martin sold $1.3M | +4.7% (+4.5% vs SPY) | +5.1% (+2.6% vs SPY) | +5.4% (+1.8% vs SPY) |
| Jul 23, 2026 | Form 144 | Form 144: Lloyd M Yates plans to sell $2.1M | +0.8% (+2.0% vs SPY) | +12.1% (+14.6% vs SPY) | +8.4% (+6.3% vs SPY) |
| Jul 23, 2026 | Insider sale | Yates Lloyd M sold $2.1M | +0.8% (+2.0% vs SPY) | +12.1% (+14.6% vs SPY) | +8.4% (+6.3% vs SPY) |
| Jun 4, 2026 | 8-K | Material definitive agreement | +2.6% (+5.2% vs SPY) | +4.2% (+6.8% vs SPY) | +9.9% (+10.9% vs SPY) |
| Apr 14, 2026 | 8-K | Directors and officers: departures, appointments, pay | −0.4% (−1.6% vs SPY) | +0.6% (−2.6% vs SPY) | −6.0% (−13.3% vs SPY) |
| Mar 10, 2026 | 8-K | Directors and officers: departures, appointments, pay | −3.4% (−3.2% vs SPY) | −3.5% (−2.1% vs SPY) | −2.3% (−2.3% vs SPY) |
| Feb 25, 2026 | 8-K | Directors and officers: departures, appointments, pay | +2.3% (+2.8% vs SPY) | +2.0% (+3.2% vs SPY) | −3.9% (+3.0% vs SPY) |
Insiders’ record here
In the year on the chart, Marsh & McLennan Companies' insiders reported 0 open-market buys ($0) and 4 sales ($4.9M). Of the 3 old enough to score, 1 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was — and after a sale +3.3%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 1.02 Termination of a material agreement | 2,368 | 0.0% | 51% | +1.1% | ±1.5% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Marsh & McLennan Companies: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.