Company / CIK 0000354190
Arthur J. Gallagher & Co.
- Ticker
- AJG
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on file
- 21
- Members of Congress who traded it
- 6
- Federal contracts on record
- none matched
- Lobbying filings on record
- 4
- SEC filings
- EDGAR ↗
- Latest trade on record
- September 15, 2026
Arthur J. Gallagher & Co. (AJG) has 21 insiders on file who disclosed 192 transactions in the last 12 months (4 open-market buys, 43 sales, about $95.8M at reported prices), and 11 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name, and 2 lobbying filings naming it as client report $80K in 2026.
Arthur J. Gallagher & Co. in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in Arthur J. Gallagher & Co. over the last 12 months; the most active is GALLAGHER J PATRICK JR with $11M.
Lobbying spend by quarter
How much has Arthur J. Gallagher & Co. reported spending on federal lobbying?
Arthur J. Gallagher & Co. reported $158K in lobbying over the last eight quarters, from filings matched by exact company name.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Caplan Deborah H | Director | 1 | 0 | 0 | September 23, 2026 |
| CARY RICHARD C | Controller, CAO | 7 | 0 | 5 | September 17, 2026 |
| Gallagher Patrick Murphy | Chief Operating Officer | 18 | 0 | 2 | September 10, 2026 |
| GALLAGHER J PATRICK JR | CEO | 18 | 0 | 3 | September 10, 2026 |
| Hudson Scott R | Vice President | 15 | 0 | 4 | September 4, 2026 |
| Miskel Christopher C. | Director | 5 | 0 | 0 | September 2, 2026 |
| Bay Walter D. | General Counsel | 14 | 0 | 4 | August 26, 2026 |
| Mead Christopher E | VICE PRESIDENT | 18 | 0 | 6 | August 20, 2026 |
| Bloom Mark H. | Vice President | 9 | 0 | 2 | August 18, 2026 |
| Jain Vishal | VICE PRESIDENT | 17 | 0 | 5 | July 6, 2026 |
| GALLAGHER THOMAS JOSEPH | President | 20 | 0 | 3 | July 6, 2026 |
| Pesch Michael Robert | Vice President | 12 | 4 | 2 | July 6, 2026 |
| HOWELL DOUGLAS K | VP & Chief Financial Officer | 16 | 0 | 4 | June 24, 2026 |
| JOHNSON DAVID S | Director | 4 | 0 | 0 | June 2, 2026 |
| ROSENTHAL NORMAN L | Director | 1 | 0 | 0 | May 13, 2026 |
| NICOLETTI RALPH J | Director | 1 | 0 | 0 | May 13, 2026 |
| Harries Richard de Winton Wilkin | Director | 1 | 0 | 0 | May 13, 2026 |
| Coldman David John | Director | 1 | 0 | 0 | May 13, 2026 |
| Clarke Teresa Hillary | Director | 1 | 0 | 0 | May 13, 2026 |
| Ziebell William F | VICE PRESIDENT | 7 | 0 | 2 | April 2, 2026 |
| Pietrucha Susan E | Chief Human Resources Officer | 6 | 0 | 1 | March 17, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded AJG
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the AJG page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Kelly Morrison | Representative (MN, District 3), Democrat | 3 | 0 | 3 | $17K–$80K | March 8, 2026 |
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 2 | 1 | 1 | $2,002–$30K | February 10, 2026 |
| Julie Johnson | Representative (TX, District 32), Democrat | 2 | 0 | 2 | $2,002–$30K | December 18, 2025 |
| Julia Letlow | Representative (LA, District 5), Republican | 2 | 1 | 1 | $2,002–$30K | July 29, 2025 |
| Alan Armstrong | Senator (OK), Republican | 1 | 1 | 0 | $1,001–$15K | March 27, 2026 |
| Val T. Hoyle | Representative (OR, District 4), Democrat | 1 | 0 | 1 | $1,001–$15K | September 23, 2025 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CARY RICHARD C | AJG | Sell S | September 15, 2026 | September 17, 2026 | 2d | 1,000 | $253 | $253K | Form 4 ↗ | ||
| Gallagher Patrick Murphy | AJG | Other G | September 8, 2026 | September 10, 2026 | 2d | 49,988 | — | — | indirect | Form 4 ↗ | |
| GALLAGHER J PATRICK JR | AJG | Other G | September 8, 2026 | September 10, 2026 | 2d | 49,988 | — | — | indirect | Form 4 ↗ | |
| Hudson Scott R | AJG | Option / conversion M | September 2, 2026 | September 4, 2026 | 2d | 12,000 | — | — | derivative | Form 4 ↗ | |
| Hudson Scott R | AJG | Sell S | September 2, 2026 | September 4, 2026 | 2d | 12,000 | $264 | $3.2M | Form 4 ↗ | ||
| Hudson Scott R | AJG | Option / conversion M | September 2, 2026 | September 4, 2026 | 2d | 12,000 | $86 | $1.0M | Form 4 ↗ | ||
| Miskel Christopher C. | AJG | Other A | September 1, 2026 | September 2, 2026 | 1d | 153 | $262 | $40K | Form 4 ↗ | ||
| Bay Walter D. | AJG | Sell S | August 24, 2026 | August 26, 2026 | 2d | 12,000 | $270 | $3.2M | Form 4 ↗ | ||
| Mead Christopher E | AJG | Option / conversion M | August 19, 2026 | August 20, 2026 | 1d | 3,500 | — | — | derivative | Form 4 ↗ | |
| Mead Christopher E | AJG | Sell S | August 19, 2026 | August 20, 2026 | 1d | 3,500 | $257 | $900K | Form 4 ↗ | ||
| Mead Christopher E | AJG | Option / conversion M | August 19, 2026 | August 20, 2026 | 1d | 3,500 | $86 | $302K | Form 4 ↗ | ||
| Bloom Mark H. | AJG | Option / conversion M | August 16, 2026 | August 18, 2026 | 2d | 1,280 | — | — | derivative | Form 4 ↗ | |
| Bloom Mark H. | AJG | Sell F | August 16, 2026 | August 18, 2026 | 2d | 607 | $251 | $152K | Form 4 ↗ | ||
| Bloom Mark H. | AJG | Option / conversion M | August 16, 2026 | August 18, 2026 | 2d | 1,280 | — | — | Form 4 ↗ | ||
| Gallagher Patrick Murphy | AJG | Other G | August 5, 2026 | August 7, 2026 | 2d | 23,800 | — | — | indirect | Form 4 ↗ | |
| Jain Vishal | AJG | Option / conversion M | July 1, 2026 | July 6, 2026 | 5d | 2,163 | — | — | latederivative | Form 4 ↗ | |
| Jain Vishal | AJG | Option / conversion M | July 1, 2026 | July 6, 2026 | 5d | 2,163 | $230 | $496K | late | Form 4 ↗ | |
| GALLAGHER THOMAS JOSEPH | AJG | Option / conversion M | July 1, 2026 | July 6, 2026 | 5d | 352 | — | — | latederivative | Form 4 ↗ | |
| GALLAGHER THOMAS JOSEPH | AJG | Option / conversion M | July 1, 2026 | July 6, 2026 | 5d | 352 | $230 | $81K | late | Form 4 ↗ | |
| Pesch Michael Robert | AJG | Option / conversion M | July 1, 2026 | July 6, 2026 | 5d | 356 | — | — | latederivative | Form 4 ↗ | |
| Pesch Michael Robert | AJG | Option / conversion M | July 1, 2026 | July 6, 2026 | 5d | 356 | $230 | $82K | late | Form 4 ↗ | |
| HOWELL DOUGLAS K | AJG | Other I | June 22, 2026 | June 24, 2026 | 2d | 12,954 | $209 | $2.7M | derivative | Form 4 ↗ | |
| CARY RICHARD C | AJG | Sell S | June 2, 2026 | June 2, 2026 | 0d | 3,000 | $206 | $618K | Form 4 ↗ | ||
| JOHNSON DAVID S | AJG | Other A | June 1, 2026 | June 2, 2026 | 1d | 237 | $206 | $49K | Form 4 ↗ | ||
| Miskel Christopher C. | AJG | Other A | June 1, 2026 | June 2, 2026 | 1d | 194 | $206 | $40K | Form 4 ↗ | ||
| Gallagher Patrick Murphy | AJG | Other G | May 26, 2026 | May 28, 2026 | 2d | 14,698 | — | — | indirect | Form 4 ↗ | |
| GALLAGHER J PATRICK JR | AJG | Other G | May 26, 2026 | May 28, 2026 | 2d | 14,698 | — | — | Form 4 ↗ | ||
| Caplan Deborah H | AJG | Other A | May 12, 2026 | May 13, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Clarke Teresa Hillary | AJG | Other A | May 12, 2026 | May 13, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Coldman David John | AJG | Other A | May 12, 2026 | May 13, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Harries Richard de Winton Wilkin | AJG | Other A | May 12, 2026 | May 13, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| JOHNSON DAVID S | AJG | Other A | May 12, 2026 | May 13, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Miskel Christopher C. | AJG | Other A | May 12, 2026 | May 13, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| NICOLETTI RALPH J | AJG | Other A | May 12, 2026 | May 13, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| ROSENTHAL NORMAN L | AJG | Other A | May 12, 2026 | May 13, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| GALLAGHER THOMAS JOSEPH | AJG | Option / conversion M | March 31, 2026 | April 2, 2026 | 2d | 76 | — | — | derivative | Form 4 ↗ | |
| GALLAGHER THOMAS JOSEPH | AJG | Sell F | March 31, 2026 | April 2, 2026 | 2d | 76 | $216 | $16K | Form 4 ↗ | ||
| GALLAGHER THOMAS JOSEPH | AJG | Option / conversion M | March 31, 2026 | April 2, 2026 | 2d | 76 | $216 | $16K | Form 4 ↗ | ||
| HOWELL DOUGLAS K | AJG | Option / conversion M | March 31, 2026 | April 2, 2026 | 2d | 76 | — | — | derivative | Form 4 ↗ | |
| HOWELL DOUGLAS K | AJG | Sell F | March 31, 2026 | April 2, 2026 | 2d | 76 | $216 | $16K | Form 4 ↗ | ||
| HOWELL DOUGLAS K | AJG | Option / conversion M | March 31, 2026 | April 2, 2026 | 2d | 76 | $216 | $16K | Form 4 ↗ | ||
| Hudson Scott R | AJG | Option / conversion M | March 31, 2026 | April 2, 2026 | 2d | 64 | — | — | derivative | Form 4 ↗ | |
| Hudson Scott R | AJG | Sell F | March 31, 2026 | April 2, 2026 | 2d | 64 | $216 | $14K | Form 4 ↗ | ||
| Hudson Scott R | AJG | Option / conversion M | March 31, 2026 | April 2, 2026 | 2d | 64 | $216 | $14K | Form 4 ↗ | ||
| Jain Vishal | AJG | Option / conversion M | March 31, 2026 | April 2, 2026 | 2d | 51 | — | — | derivative | Form 4 ↗ | |
| Jain Vishal | AJG | Sell F | March 31, 2026 | April 2, 2026 | 2d | 51 | $216 | $11K | Form 4 ↗ | ||
| Jain Vishal | AJG | Option / conversion M | March 31, 2026 | April 2, 2026 | 2d | 51 | $216 | $11K | Form 4 ↗ | ||
| Ziebell William F | AJG | Option / conversion M | March 31, 2026 | April 2, 2026 | 2d | 51 | — | — | derivative | Form 4 ↗ | |
| Ziebell William F | AJG | Sell F | March 31, 2026 | April 2, 2026 | 2d | 51 | $216 | $11K | Form 4 ↗ | ||
| Ziebell William F | AJG | Option / conversion M | March 31, 2026 | April 2, 2026 | 2d | 51 | $216 | $11K | Form 4 ↗ | ||
| Bay Walter D. | AJG | Option / conversion M | March 31, 2026 | April 1, 2026 | 1d | 1,415 | — | — | derivative | Form 4 ↗ | |
| Bay Walter D. | AJG | Sell F | March 31, 2026 | April 1, 2026 | 1d | 627 | $216 | $135K | Form 4 ↗ | ||
| Bay Walter D. | AJG | Option / conversion M | March 31, 2026 | April 1, 2026 | 1d | 1,415 | $216 | $306K | Form 4 ↗ | ||
| CARY RICHARD C | AJG | Option / conversion M | March 31, 2026 | April 1, 2026 | 1d | 472 | — | — | derivative | Form 4 ↗ | |
| CARY RICHARD C | AJG | Sell F | March 31, 2026 | April 1, 2026 | 1d | 139 | $216 | $30K | Form 4 ↗ | ||
| CARY RICHARD C | AJG | Option / conversion M | March 31, 2026 | April 1, 2026 | 1d | 472 | $216 | $102K | Form 4 ↗ | ||
| GALLAGHER J PATRICK JR | AJG | Option / conversion M | March 31, 2026 | April 1, 2026 | 1d | 5,346 | — | — | derivative | Form 4 ↗ | |
| GALLAGHER J PATRICK JR | AJG | Sell F | March 31, 2026 | April 1, 2026 | 1d | 2,369 | $216 | $512K | Form 4 ↗ | ||
| GALLAGHER J PATRICK JR | AJG | Option / conversion M | March 31, 2026 | April 1, 2026 | 1d | 5,346 | $216 | $1.2M | Form 4 ↗ | ||
| GALLAGHER THOMAS JOSEPH | AJG | Other G | March 23, 2026 | March 24, 2026 | 1d | 176 | — | — | indirect | Form 4 ↗ | |
| GALLAGHER THOMAS JOSEPH | AJG | Other G | March 23, 2026 | March 24, 2026 | 1d | 264 | — | — | indirect | Form 4 ↗ | |
| GALLAGHER THOMAS JOSEPH | AJG | Other G | March 23, 2026 | March 24, 2026 | 1d | 264 | — | — | indirect | Form 4 ↗ | |
| GALLAGHER THOMAS JOSEPH | AJG | Other G | March 23, 2026 | March 24, 2026 | 1d | 528 | — | — | Form 4 ↗ | ||
| GALLAGHER THOMAS JOSEPH | AJG | Other G | March 23, 2026 | March 24, 2026 | 1d | 264 | — | — | indirect | Form 4 ↗ | |
| GALLAGHER THOMAS JOSEPH | AJG | Other G | March 23, 2026 | March 24, 2026 | 1d | 264 | — | — | Form 4 ↗ | ||
| Gallagher Patrick Murphy | AJG | Other I | March 20, 2026 | March 24, 2026 | 4d | 1,445 | $215 | $310K | derivative | Form 4 ↗ | |
| Gallagher Patrick Murphy | AJG | Other G | March 23, 2026 | March 24, 2026 | 1d | 704 | — | — | indirect | Form 4 ↗ | |
| Gallagher Patrick Murphy | AJG | Other G | March 23, 2026 | March 24, 2026 | 1d | 704 | — | — | Form 4 ↗ | ||
| Ziebell William F | AJG | Sell F | March 15, 2026 | March 18, 2026 | 3d | 2,321 | $208 | $483K | Form 4 ↗ | ||
| Ziebell William F | AJG | Option / conversion M | March 15, 2026 | March 18, 2026 | 3d | 6,930 | — | — | Form 4 ↗ | ||
| Ziebell William F | AJG | Option / conversion M | March 15, 2026 | March 18, 2026 | 3d | 6,930 | — | — | Form 4 ↗ | ||
| Ziebell William F | AJG | Other A | March 15, 2026 | March 18, 2026 | 3d | 6,930 | — | — | Form 4 ↗ | ||
| Pesch Michael Robert | AJG | Sell F | March 16, 2026 | March 18, 2026 | 2d | 525 | $208 | $109K | Form 4 ↗ | ||
| Jain Vishal | AJG | Sell F | March 16, 2026 | March 17, 2026 | 1d | 501 | $208 | $104K | Form 4 ↗ | ||
| Jain Vishal | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 2,645 | $208 | $550K | Form 4 ↗ | ||
| Jain Vishal | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 6,214 | — | — | Form 4 ↗ | ||
| Jain Vishal | AJG | Other A | March 15, 2026 | March 17, 2026 | 2d | 6,214 | — | — | Form 4 ↗ | ||
| Pietrucha Susan E | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 2,186 | $208 | $455K | Form 4 ↗ | ||
| Pietrucha Susan E | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 6,612 | — | — | Form 4 ↗ | ||
| Pietrucha Susan E | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 6,612 | — | — | Form 4 ↗ | ||
| Pietrucha Susan E | AJG | Other A | March 15, 2026 | March 17, 2026 | 2d | 6,612 | — | — | Form 4 ↗ | ||
| Mead Christopher E | AJG | Sell F | March 16, 2026 | March 17, 2026 | 1d | 432 | $208 | $90K | Form 4 ↗ | ||
| Mead Christopher E | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 2,019 | $208 | $420K | Form 4 ↗ | ||
| Mead Christopher E | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 5,258 | — | — | Form 4 ↗ | ||
| Mead Christopher E | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 5,258 | — | — | Form 4 ↗ | ||
| Mead Christopher E | AJG | Other A | March 15, 2026 | March 17, 2026 | 2d | 5,258 | — | — | Form 4 ↗ | ||
| Hudson Scott R | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 2,828 | $208 | $588K | Form 4 ↗ | ||
| Hudson Scott R | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 7,170 | — | — | Form 4 ↗ | ||
| Hudson Scott R | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 7,170 | — | — | Form 4 ↗ | ||
| Hudson Scott R | AJG | Other A | March 15, 2026 | March 17, 2026 | 2d | 7,170 | — | — | Form 4 ↗ | ||
| HOWELL DOUGLAS K | AJG | Option / conversion M | March 13, 2026 | March 17, 2026 | 4d | 14,100 | — | — | derivative | Form 4 ↗ | |
| HOWELL DOUGLAS K | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 3,865 | $208 | $804K | Form 4 ↗ | ||
| HOWELL DOUGLAS K | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 9,082 | — | — | Form 4 ↗ | ||
| HOWELL DOUGLAS K | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 9,082 | — | — | Form 4 ↗ | ||
| HOWELL DOUGLAS K | AJG | Other A | March 15, 2026 | March 17, 2026 | 2d | 9,082 | — | — | Form 4 ↗ | ||
| HOWELL DOUGLAS K | AJG | Sell F | March 13, 2026 | March 17, 2026 | 4d | 8,638 | $208 | $1.8M | Form 4 ↗ | ||
| HOWELL DOUGLAS K | AJG | Option / conversion M | March 13, 2026 | March 17, 2026 | 4d | 14,100 | $80 | $1.1M | Form 4 ↗ | ||
| GALLAGHER THOMAS JOSEPH | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 4,068 | $208 | $846K | Form 4 ↗ | ||
| GALLAGHER THOMAS JOSEPH | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 9,560 | — | — | Form 4 ↗ | ||
| GALLAGHER THOMAS JOSEPH | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 9,560 | — | — | Form 4 ↗ | ||
| GALLAGHER THOMAS JOSEPH | AJG | Other A | March 15, 2026 | March 17, 2026 | 2d | 9,560 | — | — | Form 4 ↗ | ||
| Gallagher Patrick Murphy | AJG | Sell F | March 16, 2026 | March 17, 2026 | 1d | 525 | $208 | $109K | Form 4 ↗ | ||
| Gallagher Patrick Murphy | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 1,962 | $208 | $408K | Form 4 ↗ | ||
| Gallagher Patrick Murphy | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 4,620 | — | — | Form 4 ↗ | ||
| Gallagher Patrick Murphy | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 4,620 | — | — | Form 4 ↗ | ||
| Gallagher Patrick Murphy | AJG | Other A | March 15, 2026 | March 17, 2026 | 2d | 4,620 | — | — | Form 4 ↗ | ||
| GALLAGHER J PATRICK JR | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 19,168 | $208 | $4.0M | Form 4 ↗ | ||
| GALLAGHER J PATRICK JR | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 45,048 | — | — | Form 4 ↗ | ||
| GALLAGHER J PATRICK JR | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 45,048 | — | — | Form 4 ↗ | ||
| GALLAGHER J PATRICK JR | AJG | Other A | March 15, 2026 | March 17, 2026 | 2d | 45,048 | — | — | Form 4 ↗ | ||
| CARY RICHARD C | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 181 | $208 | $38K | Form 4 ↗ | ||
| Bloom Mark H. | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 793 | $208 | $165K | Form 4 ↗ | ||
| Bloom Mark H. | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 3,506 | — | — | Form 4 ↗ | ||
| Bloom Mark H. | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 3,506 | — | — | Form 4 ↗ | ||
| Bloom Mark H. | AJG | Other A | March 15, 2026 | March 17, 2026 | 2d | 3,506 | — | — | Form 4 ↗ | ||
| Bay Walter D. | AJG | Sell F | March 15, 2026 | March 17, 2026 | 2d | 2,411 | $208 | $501K | Form 4 ↗ | ||
| Bay Walter D. | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 7,090 | — | — | Form 4 ↗ | ||
| Bay Walter D. | AJG | Option / conversion M | March 15, 2026 | March 17, 2026 | 2d | 7,090 | — | — | Form 4 ↗ | ||
| Bay Walter D. | AJG | Other A | March 15, 2026 | March 17, 2026 | 2d | 7,090 | — | — | Form 4 ↗ | ||
| Jain Vishal | AJG | Option / conversion M | March 9, 2026 | March 10, 2026 | 1d | 8,450 | — | — | derivative | Form 4 ↗ | |
| Jain Vishal | AJG | Sell F | March 9, 2026 | March 10, 2026 | 1d | 4,326 | $219 | $948K | Form 4 ↗ | ||
| Jain Vishal | AJG | Option / conversion M | March 9, 2026 | March 10, 2026 | 1d | 8,450 | $80 | $673K | Form 4 ↗ | ||
| Mead Christopher E | AJG | Option / conversion M | March 5, 2026 | March 9, 2026 | 4d | 4,000 | — | — | derivative | Form 4 ↗ | |
| Mead Christopher E | AJG | Sell S | March 5, 2026 | March 9, 2026 | 4d | 4,000 | $227 | $908K | Form 4 ↗ | ||
| Mead Christopher E | AJG | Option / conversion M | March 5, 2026 | March 9, 2026 | 4d | 4,000 | $80 | $318K | Form 4 ↗ | ||
| Pesch Michael Robert | AJG | Option / conversion M | March 5, 2026 | March 9, 2026 | 4d | 6,750 | — | — | derivative | Form 4 ↗ | |
| Pesch Michael Robert | AJG | Sell F | March 5, 2026 | March 9, 2026 | 4d | 3,733 | $229 | $854K | Form 4 ↗ | ||
| Pesch Michael Robert | AJG | Option / conversion M | March 5, 2026 | March 9, 2026 | 4d | 6,750 | $80 | $537K | Form 4 ↗ | ||
| Hudson Scott R | AJG | Option / conversion M | March 6, 2026 | March 9, 2026 | 3d | 3,800 | — | — | derivative | Form 4 ↗ | |
| Hudson Scott R | AJG | Sell S | March 6, 2026 | March 9, 2026 | 3d | 3,800 | $228 | $865K | Form 4 ↗ | ||
| Hudson Scott R | AJG | Option / conversion M | March 6, 2026 | March 9, 2026 | 3d | 3,800 | $80 | $302K | Form 4 ↗ | ||
| Bay Walter D. | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 1,982 | $227 | $450K | derivative | Form 4 ↗ | |
| Bloom Mark H. | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 1,542 | $227 | $350K | derivative | Form 4 ↗ | |
| GALLAGHER J PATRICK JR | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 7,929 | $227 | $1.8M | derivative | Form 4 ↗ | |
| Gallagher Patrick Murphy | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 1,542 | $227 | $350K | derivative | Form 4 ↗ | |
| HOWELL DOUGLAS K | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 2,643 | $227 | $600K | derivative | Form 4 ↗ | |
| Hudson Scott R | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 2,203 | $227 | $500K | derivative | Form 4 ↗ | |
| Jain Vishal | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 1,982 | $227 | $450K | derivative | Form 4 ↗ | |
| Mead Christopher E | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 1,542 | $227 | $350K | derivative | Form 4 ↗ | |
| Pesch Michael Robert | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 1,322 | $227 | $300K | derivative | Form 4 ↗ | |
| Pietrucha Susan E | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 1,982 | $227 | $450K | derivative | Form 4 ↗ | |
| GALLAGHER THOMAS JOSEPH | AJG | Other A | March 4, 2026 | March 6, 2026 | 2d | 2,643 | $227 | $600K | derivative | Form 4 ↗ | |
| Gallagher Patrick Murphy | AJG | Other G | March 3, 2026 | March 5, 2026 | 2d | 150 | — | — | indirect | Form 4 ↗ | |
| Gallagher Patrick Murphy | AJG | Other G | March 3, 2026 | March 5, 2026 | 2d | 600 | — | — | indirect | Form 4 ↗ | |
| Gallagher Patrick Murphy | AJG | Other G | March 3, 2026 | March 5, 2026 | 2d | 150 | — | — | indirect | Form 4 ↗ | |
| GALLAGHER J PATRICK JR | AJG | Option / conversion M | March 2, 2026 | March 4, 2026 | 2d | 44,050 | — | — | derivative | Form 4 ↗ | |
| GALLAGHER J PATRICK JR | AJG | Other I | March 3, 2026 | March 4, 2026 | 1d | 91,769 | $225 | $20.7M | derivative | Form 4 ↗ | |
| GALLAGHER J PATRICK JR | AJG | Other G | March 3, 2026 | March 4, 2026 | 1d | 600 | — | — | indirect | Form 4 ↗ | |
| GALLAGHER J PATRICK JR | AJG | Other G | March 3, 2026 | March 4, 2026 | 1d | 1,350 | — | — | indirect | Form 4 ↗ | |
| GALLAGHER J PATRICK JR | AJG | Other G | March 3, 2026 | March 4, 2026 | 1d | 1,350 | — | — | Form 4 ↗ | ||
| GALLAGHER J PATRICK JR | AJG | Sell S | March 2, 2026 | March 4, 2026 | 2d | 27,450 | $230 | $6.3M | Form 4 ↗ | ||
| GALLAGHER J PATRICK JR | AJG | Option / conversion M | March 2, 2026 | March 4, 2026 | 2d | 44,050 | $80 | $3.5M | Form 4 ↗ | ||
| Pietrucha Susan E | AJG | Other A | March 1, 2026 | March 3, 2026 | 2d | 14,977 | — | — | derivative | Form 4 ↗ | |
| Pesch Michael Robert | AJG | Other A | March 1, 2026 | March 3, 2026 | 2d | 13,167 | — | — | derivative | Form 4 ↗ | |
| Mead Christopher E | AJG | Other A | March 1, 2026 | March 3, 2026 | 2d | 12,344 | — | — | derivative | Form 4 ↗ | |
| Jain Vishal | AJG | Other A | March 1, 2026 | March 3, 2026 | 2d | 14,319 | — | — | derivative | Form 4 ↗ | |
| HOWELL DOUGLAS K | AJG | Other A | March 1, 2026 | March 3, 2026 | 2d | 20,737 | — | — | derivative | Form 4 ↗ | |
| Hudson Scott R | AJG | Other A | March 1, 2026 | March 3, 2026 | 2d | 15,800 | — | — | derivative | Form 4 ↗ | |
| GALLAGHER J PATRICK JR | AJG | Other A | March 1, 2026 | March 3, 2026 | 2d | 48,449 | — | — | derivative | Form 4 ↗ | |
| Bloom Mark H. | AJG | Other A | March 1, 2026 | March 3, 2026 | 2d | 13,331 | — | — | derivative | Form 4 ↗ | |
| Bay Walter D. | AJG | Other A | March 1, 2026 | March 3, 2026 | 2d | 16,952 | — | — | derivative | Form 4 ↗ | |
| Gallagher Patrick Murphy | AJG | Option / conversion M | March 3, 2026 | March 3, 2026 | 0d | 5,000 | — | — | derivative | Form 4 ↗ | |
| Gallagher Patrick Murphy | AJG | Other A | March 1, 2026 | March 3, 2026 | 2d | 17,775 | — | — | derivative | Form 4 ↗ | |
| Gallagher Patrick Murphy | AJG | Option / conversion M | March 3, 2026 | March 3, 2026 | 0d | 5,000 | $80 | $398K | Form 4 ↗ | ||
| GALLAGHER THOMAS JOSEPH | AJG | Other A | March 1, 2026 | March 2, 2026 | 1d | 22,219 | $228 | $5.1M | derivative | Form 4 ↗ | |
| GALLAGHER THOMAS JOSEPH | AJG | Option / conversion M | February 26, 2026 | March 2, 2026 | 4d | 28,200 | — | — | derivative | Form 4 ↗ | |
| GALLAGHER THOMAS JOSEPH | AJG | Sell F | February 26, 2026 | March 2, 2026 | 4d | 17,555 | $222 | $3.9M | Form 4 ↗ | ||
| GALLAGHER THOMAS JOSEPH | AJG | Option / conversion M | February 26, 2026 | March 2, 2026 | 4d | 28,200 | $76 | $2.1M | Form 4 ↗ | ||
| JOHNSON DAVID S | AJG | Other A | March 1, 2026 | March 2, 2026 | 1d | 214 | $228 | $49K | Form 4 ↗ | ||
| Miskel Christopher C. | AJG | Other A | March 1, 2026 | March 2, 2026 | 1d | 175 | $228 | $40K | Form 4 ↗ | ||
| HOWELL DOUGLAS K | AJG | Other I | February 10, 2026 | February 12, 2026 | 2d | 12,892 | $213 | $2.7M | derivative | Form 4 ↗ | |
| Jain Vishal | AJG | Option / conversion M | January 1, 2026 | January 5, 2026 | 4d | 955 | — | — | derivative | Form 4 ↗ | |
| Jain Vishal | AJG | Sell F | January 1, 2026 | January 5, 2026 | 4d | 259 | $259 | $67K | Form 4 ↗ | ||
| Jain Vishal | AJG | Option / conversion M | January 1, 2026 | January 5, 2026 | 4d | 955 | — | — | Form 4 ↗ | ||
| HOWELL DOUGLAS K | AJG | Other G | December 22, 2025 | December 29, 2025 | 7d | 196 | — | — | late | Form 4 ↗ | |
| HOWELL DOUGLAS K | AJG | Sell S | December 22, 2025 | December 29, 2025 | 7d | 5,000 | $258 | $1.3M | late | Form 4 ↗ | |
| Mead Christopher E | AJG | Option / conversion M | December 23, 2025 | December 29, 2025 | 6d | 4,000 | — | — | latederivative | Form 4 ↗ | |
| Mead Christopher E | AJG | Other G | December 23, 2025 | December 29, 2025 | 6d | 388 | — | — | late | Form 4 ↗ | |
| Mead Christopher E | AJG | Sell S | December 23, 2025 | December 29, 2025 | 6d | 4,000 | $258 | $1.0M | late | Form 4 ↗ | |
| Mead Christopher E | AJG | Option / conversion M | December 23, 2025 | December 29, 2025 | 6d | 4,000 | $80 | $318K | late | Form 4 ↗ | |
| Bay Walter D. | AJG | Option / conversion M | December 19, 2025 | December 23, 2025 | 4d | 15,850 | — | — | derivative | Form 4 ↗ | |
| Bay Walter D. | AJG | Other G | December 19, 2025 | December 23, 2025 | 4d | 1,724 | — | — | Form 4 ↗ | ||
| Bay Walter D. | AJG | Sell S | December 19, 2025 | December 23, 2025 | 4d | 15,850 | $255 | $4.0M | Form 4 ↗ | ||
| Bay Walter D. | AJG | Option / conversion M | December 19, 2025 | December 23, 2025 | 4d | 15,850 | $80 | $1.3M | Form 4 ↗ | ||
| Miskel Christopher C. | AJG | Other A | December 1, 2025 | December 3, 2025 | 2d | 163 | $246 | $40K | Form 4 ↗ | ||
| JOHNSON DAVID S | AJG | Other A | December 1, 2025 | December 3, 2025 | 2d | 198 | $246 | $49K | Form 4 ↗ | ||
| Mead Christopher E | AJG | Sell S | November 21, 2025 | November 25, 2025 | 4d | 1,250 | $251 | $313K | Form 4 ↗ | ||
| CARY RICHARD C | AJG | Sell S | November 18, 2025 | November 20, 2025 | 2d | 6,000 | $261 | $1.6M | Form 4 ↗ | ||
| Pesch Michael Robert | AJG | Buy P | November 3, 2025 | November 3, 2025 | 0d | 599 | $249 | $149K | Form 4 ↗ | ||
| Pesch Michael Robert | AJG | Buy P | November 3, 2025 | November 3, 2025 | 0d | 989 | $247 | $245K | Form 4 ↗ | ||
| Pesch Michael Robert | AJG | Buy P | November 3, 2025 | November 3, 2025 | 0d | 1,874 | $247 | $463K | Form 4 ↗ | ||
| Pesch Michael Robert | AJG | Buy P | November 3, 2025 | November 3, 2025 | 0d | 538 | $246 | $132K | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "Arthur J. Gallagher & Co.". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
| Period | Registrant | Primary issue | Amount | Source |
|---|---|---|---|---|
| 2026 Q2 | THE VOGEL GROUP | Taxation/Internal Revenue Code | $40,000 | LDA ↗ |
| 2026 Q1 | THE VOGEL GROUP | Taxation/Internal Revenue Code | $40,000 | LDA ↗ |
| 2025 Q4 | THE VOGEL GROUP | Taxation/Internal Revenue Code | $40,000 | LDA ↗ |
| 2025 Q3 | THE VOGEL GROUP | Taxation/Internal Revenue Code | $37,500 | LDA ↗ |
Related companies
Companies whose stock was traded by the same people who traded AJG, by number of filers in common. It shows overlap in public filings and nothing else.
- Accenture plc ACN 5 filers in common
- PROCTER & GAMBLE Co PG 5 filers in common
- WELLS FARGO & COMPANY/MN WFC 5 filers in common
- MICROSOFT CORP MSFT 5 filers in common
- UNITEDHEALTH GROUP INC UNH 5 filers in common
- BOEING CO BA 5 filers in common
- Cigna Group CI 5 filers in common
- Meta Platforms, Inc. META 4 filers in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Lobbying disclosure reports Reports are due about 20 days after each quarter ends.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 7 | 10 | October 10, 2025 | March 10, 2026 | House Clerk search |
| Senate eFD, periodic transaction reports | 1 | 1 | July 21, 2026 | July 21, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 89 | 192 | November 3, 2025 | September 17, 2026 | Form 4 list on EDGAR |
| Lobbying disclosure filings | 4 filings | — | — | — | LDA.gov search |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.