Updated Jul 16, 2026 · Last SEC filing 2026-06-03
MARSH MCLENNAN COMPANIES, INC. (MRSH) has filed 31 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-03. 2 Form 8-K material event filings were reported by MRSH in the last 90 days. 1 Form 144 notices of proposed sale were filed for MRSH stock. InsiderAlpha tracks every MRSH SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000062709 |
|---|
| Form 4 filings (90d) | 31 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-06-03 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Doyle John Q | President and CEO | M — Option exercise | 16.7K | $73.19 | $1.22M | SEC | |
| Doyle John Q | President and CEO | S — Open-market sale | 16.7K | $161.71 | $2.69M | SEC | |
| Hartmann Judith | Director | A — Grant or award | 1.3K | $159.28 | $215K | SEC | |
| Harrison Peter | Director | A — Grant or award | 1.3K | $159.28 | $215K | SEC | |
| MILLS STEVEN A | Director | A — Grant or award | 1.3K | $159.28 | $215K | SEC | |
| BROUSSARD BRUCE D | Director | A — Grant or award | 1.3K | $159.28 | $215K | SEC | |
| Harrison Peter | Director | F — Tax withholding / forfeiture | 103 | $159.28 | $16K | SEC | |
| HANWAY H EDWARD | Director | A — Grant or award | 1.3K | $159.28 | $215K | SEC | |
| MILLS STEVEN A | Director | A — Grant or award | 264 | $160.60 | $42K | SEC | |
| Tomlinson Patrick | President and CEO, Mercer | M — Option exercise | 1.2K | $0.00 | — | SEC | |
| Tomlinson Patrick | President and CEO, Mercer | F — Tax withholding / forfeiture | 627 | $172.15 | $108K | SEC | |
| Jones John Jude | Chief Marketing Officer | S — Open-market sale | 2.4K | $173.61 | $410K | SEC | |
| Doyle John Q | President and CEO | S — Open-market sale [10b5-1] | 16.7K | $183.30 | $3.05M | SEC | |
| Doyle John Q | President and CEO | M — Option exercise [10b5-1] | 16.7K | $0.00 | — | SEC | |
| Studer Nicholas Mark | President and CEO of OWG | S — Open-market sale | 3.8K | $184.03 | $706K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for MARSH MCLENNAN COMPANIES, INC. (MRSH). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Doyle John Q | 4 | $3.91M |
| Yates Lloyd M | 3 | $261K |
| SCHAPIRO MORTON O | 3 | $336K |
| Lute Jane H | 3 | $249K |
| MILLS STEVEN A | 2 | $257K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in MRSH insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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