Arthur J. Gallagher & Co. (AJG)General Counsel sold ~$4.04M

~$4.04M

Approx. value · 16K sh @ $255.00

80K

Holds after · shares reported

Traded

Dec 19, 2025

Filed

Dec 24, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Oct 23, 2024CongressDisclosed purchase of AJG — reported range $1,001 - $15,000
2. Jul 29, 2025CongressDisclosed sale of AJG — reported range $1,001 - $15,000
3. Oct 30, 2025Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
4. Oct 31, 20255% stakeJPMORGAN CHASE & CO. reported a passive stake (13G) of 7.8%
5. Nov 3, 2025Insider · 1 personInsiders: 4 purchases (~$988K)
6. Nov 13, 2025CongressDisclosed partial sale of AJG — reported range $1,001 - $15,000
7. Nov 18, 2025InsiderOfficer sold ~$1.57M of AJG shares in the open market
8. Nov 21, 2025InsiderOfficer sold ~$313K of AJG shares in the open market
9. Dec 18, 2025CongressDisclosed sale of AJG — reported range $1,001 - $15,000
10. Dec 19, 2025 · this disclosureInsiderOfficer sold ~$4.04M of AJG shares in the open market

What came next

1. Dec 19, 2025CongressDisclosed purchase of AJG — reported range $1,001 - $15,000
2. Dec 22, 2025InsiderCFO sold ~$1.29M of AJG shares in the open market
3. Dec 23, 2025InsiderOfficer sold ~$1.03M of AJG shares in the open market
4. Jan 29, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
5. Feb 10, 2026CongressDisclosed sale of AJG — reported range $1,001 - $15,000
6. Feb 13, 20265% stakeCapital World Investors reported a passive stake (13G) of 5.0%
7. Mar 2, 2026Insider · 4 days before an 8-KCEO sold ~$6.32M of AJG shares in the open market
8. Mar 5, 2026InsiderOfficer sold ~$908K of AJG shares in the open market
9. Mar 6, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On March 6, 2026, Sherry Barrat informed Arthur J. Gallagher & Co. (the “ Company ”) that she has decided to retire from the Board of Directors (the “ Board ”).”
10. Mar 6, 2026InsiderOfficer sold ~$865K of AJG shares in the open market
11. Mar 8, 2026Congress · 1 personMembers of Congress: 3 sales
12. Mar 26, 20265% stakeThe Vanguard Group reported a passive stake (13G)

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Arthur J. Gallagher & Co.

For Arthur J. Gallagher & Co., OQRO holds 7 insider filings (SEC Form 4 or Form 144) and 1 Congress trade report dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its AJG page.

Other recent filings by Walter D. Bay, General Counsel

• SEC Form 4 at Arthur J. Gallagher & Co. (AJG)Aug 27, 2026
• SEC Form 4 at Arthur J. Gallagher & Co. (AJG)Feb 14, 2025

The full history of Walter D. Bay, General Counsel is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Arthur J. Gallagher & Co.

• SEC Form 4Sep 18, 2026
• SEC Form 144Sep 15, 2026
• SEC Form 144Sep 15, 2026
• SEC Form 4Sep 5, 2026
• SEC Form 144Sep 2, 2026
• SEC Form 4Aug 27, 2026

Everything OQRO holds on this company is on its AJG page.