AJG insider trading — Arthur J. Gallagher & Co.
Over the last 90 days, insiders at Arthur J. Gallagher & Co. (AJG) made 0 open-market purchases worth $0 and 4 open-market sales worth $7.56M, making them net sellers by $7.56M. The largest sale was by Bay Walter D. (General Counsel), who sold 12,000 shares for $3.24M on Aug 24, 2026.
Updated Oct 16, 2026.
Recent AJG insider transactions
Every Form 4 filed by Arthur J. Gallagher & Co. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Cary Richard C | Controller, CAO | S · Sale | Direct | 1,000 | $252.86 | $253K | Form 4 |
| Sep 8, 2026 | Gallagher Patrick Murphy | Chief Operating Officer | G · Gift | Indirect | 49,988 | — | — | Form 4 |
| Sep 8, 2026 | Gallagher J Patrick Jr | CEO | G · Gift | Indirect | 49,988 | — | — | Form 4 |
| Sep 2, 2026 | Hudson Scott R | Vice President | M · Option exercise | Direct | 12,000 | $86.17 | $1.03M | Form 4 |
| Sep 2, 2026 | Hudson Scott R | Vice President | S · Sale | Direct | 12,000 | $264.13 | $3.17M | Form 4 |
| Sep 1, 2026 | Miskel Christopher C. | Director | A · Grant/award | Direct | 153 | $262.00 | $40K | Form 4 |
| Aug 24, 2026 | Bay Walter D. | General Counsel | S · Sale | Direct | 12,000 | $270.08 | $3.24M | Form 4 |
| Aug 19, 2026 | Mead Christopher E | VICE PRESIDENT | M · Option exercise | Direct | 3,500 | $86.17 | $302K | Form 4 |
| Aug 19, 2026 | Mead Christopher E | VICE PRESIDENT | S · Sale | Direct | 3,500 | $257.02 | $900K | Form 4 |
| Aug 16, 2026 | Bloom Mark H. | Vice President | M · Option exercise | Direct | 1,280 | — | — | Form 4 |
| Aug 16, 2026 | Bloom Mark H. | Vice President | F · Tax withholding | Direct | 607 | $251.21 | $152K | Form 4 |
| Aug 5, 2026 | Gallagher Patrick Murphy | Chief Operating Officer | G · Gift | Indirect | 23,800 | — | — | Form 4 |
AJG insider trading FAQ
Are insiders buying AJG stock?
Not on the open market. In the last 90 days, Arthur J. Gallagher & Co. insiders made no open-market purchases, and 4 open-market sales totaling $7.56M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading AJG?
Recent sellers: Bay Walter D., Cary Richard C, Hudson Scott R, Mead Christopher E.
Where does AJG insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.