22 insiders reported 282 Form 4 transactions for Arthur J. Gallagher & Co. (AJG) over the past 18 months (most recent 2026-07-06). Recent activity: Jain Vishal (VICE PRESIDENT) Buy 2,163 shares, GALLAGHER THOMAS JOSEPH (President) Buy 352 shares, Pesch Michael Robert (Vice President) Buy 356 shares, CARY RICHARD C (Controller, CAO) Sell 3,000 shares, JOHNSON DAVID S (Director) Buy 237 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-06 | Jain Vishal | VICE PRESIDENT | Buy | 2,163 | $496,490 |
| 2026-07-06 | GALLAGHER THOMAS JOSEPH | President | Buy | 352 | $80,796 |
| 2026-07-06 | Pesch Michael Robert | Vice President | Buy | 356 | $81,681 |
| 2026-06-02 | CARY RICHARD C | Controller, CAO | Sell | 3,000 | $618,000 |
| 2026-06-02 | JOHNSON DAVID S | Director | Buy | 237 | $48,750 |
| 2026-06-02 | Miskel Christopher C. | Director | Buy | 194 | $40,000 |
| 2026-05-13 | Clarke Teresa Hillary | Director | Buy | 1,110 | $0 |
| 2026-05-13 | ROSENTHAL NORMAN L | Director | Buy | 1,110 | $0 |
| 2026-05-13 | NICOLETTI RALPH J | Director | Buy | 1,110 | $0 |
| 2026-05-13 | Caplan Deborah H | Director | Buy | 1,110 | $0 |
| 2026-05-13 | Coldman David John | Director | Buy | 1,110 | $0 |
| 2026-05-13 | Miskel Christopher C. | Director | Buy | 1,110 | $0 |
| 2026-05-13 | Harries Richard de Winton Wilkin | Director | Buy | 1,110 | $0 |
| 2026-05-13 | JOHNSON DAVID S | Director | Buy | 1,110 | $0 |
| 2026-04-02 | HOWELL DOUGLAS K | VP & Chief Financial Officer | Sell | 76 | $16,495 |
| 2026-04-02 | HOWELL DOUGLAS K | VP & Chief Financial Officer | Buy | 76 | $16,495 |
| 2026-04-02 | Hudson Scott R | Vice President | Buy | 64 | $13,745 |
| 2026-04-02 | GALLAGHER THOMAS JOSEPH | President | Buy | 76 | $16,495 |
| 2026-04-02 | Ziebell William F | VICE PRESIDENT | Buy | 51 | $10,996 |
| 2026-04-02 | Jain Vishal | VICE PRESIDENT | Buy | 51 | $10,996 |
| 2026-04-02 | Hudson Scott R | Vice President | Sell | 64 | $13,745 |
| 2026-04-02 | GALLAGHER THOMAS JOSEPH | President | Sell | 76 | $16,495 |
| 2026-04-02 | Ziebell William F | VICE PRESIDENT | Sell | 51 | $10,996 |
| 2026-04-02 | Jain Vishal | VICE PRESIDENT | Sell | 51 | $10,996 |
| 2026-03-24 | GALLAGHER THOMAS JOSEPH | President | Sell | 264 | $0 |
Source: SEC Form 4 filings · as of 2026-07-06