Marsh & McLennan CEO/Director John Q. Doyle Files Form 144 to Sell $3.14M in Common Stock

Overview

On September 2, 2026, John Q. Doyle, Officer and Director of Marsh & McLennan Companies, Inc. ($MMC), filed a Form 144 notice indicating an intention to sell 16,656 shares of Common Stock with an estimated aggregate market value of $3,139,822.56 (approx. $188.51 per share).

Key Transaction Highlights

• Securities to be Sold: 16,656 shares of Common Stock.
• Acquisition Source: Acquired on September 2, 2026, via cash exercise of stock options from the issuer.
• Trading Plan: Executed pursuant to a Rule 10b5-1 trading plan adopted on December 2, 2025.
• Broker: Fidelity Brokerage Services LLC.
• Prior Transactions: Sold 16,656 shares on June 2, 2026, for gross proceeds of $2,693,441.76.

Significance

The transaction is classified as Medium significance. While the transaction value is notable at over $3.1M and involves a key executive/director, it represents an option exercise and planned disposition under a pre-established Rule 10b5-1 trading plan.