Former Officer Richard C. Cary Files Form 144 to Sell $1.44M in Arthur J. Gallagher & Co. Stock

Executive Summary

On November 4, 2026, Richard C. Cary, designated as a Former Officer of Arthur J. Gallagher & Co. ($AJG), filed Form 144 with the SEC detailing a proposed sale of 5,000 shares of common stock through Fidelity Brokerage Services LLC. The aggregate market value of the shares proposed for sale is approximately $1,438,675.00, indicating an anticipated price per share of roughly $287.74.

Transaction Details

• Securities Class: Common Stock
• Shares to be Sold: 5,000
• Aggregate Market Value: $1,438,675.00
• Shares Outstanding: 256,300,000
• Proposed Sale Date: November 4, 2026
• Broker: Fidelity Brokerage Services LLC

Origin of Shares

The 5,000 shares proposed for sale were acquired via restricted stock vestings as compensation from the issuer across three tranches:

1. 345 shares acquired on April 1, 2025
2. 910 shares acquired on March 12, 2025
3. 3,745 shares acquired on November 5, 2024

Prior 3-Month Activity

Within the past three months, the filer reported one prior sale:

• September 15, 2026: 1,000 shares sold for gross proceeds of $252,858.30.

Trading Significance

The trading significance is assessed as Low:

• Filer Status: The seller is a former officer rather than an active senior executive or board member.
• Volume Relative to Float: The proposed sale represents less than 0.002% of the company's 256.3 million outstanding shares, presenting minimal market dilution or selling pressure.
• Compensation Monetization: The shares originate from standard equity compensation vesting, consistent with personal portfolio diversification following departure from the officer role.