Updated Jul 16, 2026 · Last SEC filing 2026-07-07
Arthur J. Gallagher & Co. (AJG) has filed 17 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-07. 3 Form 8-K material event filings were reported by AJG in the last 90 days. 2 Form 144 notices of proposed sale were filed for AJG stock. InsiderAlpha tracks every AJG SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000354190 |
|---|
| Form 4 filings (90d) | 17 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 2 |
| Latest Form 4 filing | 2026-07-07 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| GALLAGHER THOMAS JOSEPH | President | M — Option exercise | 352 | $229.57 | $81K | SEC | |
| Pesch Michael Robert | Vice President | M — Option exercise | 356 | $229.57 | $82K | SEC | |
| Jain Vishal | VICE PRESIDENT | M — Option exercise | 2.2K | $229.57 | $496K | SEC | |
| CARY RICHARD C | Controller, CAO | S — Open-market sale | 3.0K | $206.00 | $618K | SEC | |
| Miskel Christopher C. | Director | A — Grant or award | 194 | $206.10 | $40K | SEC | |
| JOHNSON DAVID S | Director | A — Grant or award | 237 | $206.10 | $49K | SEC | |
| Gallagher Patrick Murphy | Chief Operating Officer | G — Bona-fide gift | 14.7K | $0.00 | — | SEC | |
| GALLAGHER J PATRICK JR | CEO | G — Bona-fide gift | 14.7K | $0.00 | — | SEC | |
| Caplan Deborah H | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| Harries Richard de Winton Wilkin | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| Miskel Christopher C. | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| Coldman David John | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| NICOLETTI RALPH J | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| ROSENTHAL NORMAN L | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| JOHNSON DAVID S | Director | A — Grant or award | 1.1K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Arthur J. Gallagher & Co. (AJG). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Miskel Christopher C. | 2 | $40K |
| Pesch Michael Robert | 2 | $82K |
| JOHNSON DAVID S | 2 | $49K |
| GALLAGHER THOMAS JOSEPH | 2 | $81K |
| Jain Vishal | 2 | $496K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in AJG insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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