Arthur J. Gallagher & Co. Officer Files Form 144 for $2.12M Proposed Sale

Executive Summary

On November 2, 2026, Christopher E. Mead, an Officer at Arthur J. Gallagher & Co. (NYSE: AJG), filed Form 144 with the SEC indicating an intention to sell 7,590 shares of common stock through Fidelity Brokerage Services LLC. The aggregate market value of the proposed transaction is $2,123,074.80, representing an implied price per share of approximately $279.72.

Transaction Details

• Securities Class: Common Stock
• Shares Offered: 7,590 shares
• Estimated Aggregate Market Value: $2,123,074.80
• Acquisition Origin: The shares were acquired on November 2, 2026, through a stock option exercise from the issuer paid in cash.
• Approximate Sale Date: November 2, 2026
• Trading Venue: New York Stock Exchange (NYSE)

Prior Trading History

Within the preceding three months, the filer reported the following disposition:

• August 19, 2026: Sale of 3,500 common shares for gross proceeds of $899,587.50 (~$257.03 per share).

Market Context & Significance

• Trading Significance: Low
• Arthur J. Gallagher & Co. has approximately 256.3 million shares outstanding. The 7,590 shares slated for sale represent less than 0.003% of total shares outstanding, posing negligible dilution or market absorption pressure.
• The disposition stems directly from a contemporaneous stock option exercise, which is standard executive compensation monetization rather than a discretionary divestiture of existing long-term holdings.