| $705M | ||
| $677M | ||
| $350M | ||
| $213M | ||
| $93M | ||
| $77M |
Buys | $0 | 0 | 0 |
Sells | $24,520,174 | 13 | 100 |
| Pesch Michael Robert | Vice President | 1 | $988,488 | 0 | $0 | $988,488 |
| HOWELL DOUGLAS K | VP & Chief Financial Officer | 0 | $0 | 1 | $1.29M | $-1.29M |
| CARY RICHARD C | Controller, CAO | 0 | $0 | 3 | $2.44M | $-2.44M |
| Mead Christopher E | VICE PRESIDENT | 0 | $0 | 4 | $3.15M | $-3.15M |
| Hudson Scott R | Vice President | 0 | $0 | 2 | $4.03M | $-4.03M |
| GALLAGHER J PATRICK JR | CEO | 0 | $0 | 1 | $6.32M | $-6.32M |
| Bay Walter D. | General Counsel | 0 | $0 | 2 | $7.28M | $-7.28M |
Arthur J. Gallagher & Co., alongside its various subsidiaries, operates globally, providing a wide array of services that encompass insurance brokerage, expert consulting, and outsourced claims settlement and administration. Its geographic reach extends across the United States, Australia, Bermuda, Canada, the Caribbean, New Zealand, India, and the United Kingdom. The company's business model is divided into two primary segments: Brokerage and Risk Management. The Brokerage division manages both retail and wholesale insurance operations. It …
Over the last 12 months, insiders at Arthur J. Gallagher & Co. have bought $0 and sold $24.52M worth of Arthur J. Gallagher & Co. stock.
On average, over the past 5 years, insiders at Arthur J. Gallagher & Co. have bought $1.32M and sold $48.87M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 4,000 shares for transaction amount of $988,488 was made by Pesch Michael Robert (Vice President) on 2025‑11‑03.
| 2026-09-15 | Sale | CARY RICHARD C | Controller, CAO | 1,000 0.0004% | $252.86 | $252,858 | -4.43% | |
| 2026-09-02 | Sale | Hudson Scott R | Vice President | 12,000 0.0047% | $264.13 | $3.17M | -7.75% | |
| 2026-08-24 | Sale | Bay Walter D. | General Counsel | 12,000 0.0046% | $270.08 | $3.24M | -8.18% | |
| 2026-08-19 | Sale | Mead Christopher E | VICE PRESIDENT | 3,500 0.0014% | $257.02 | $899,588 | -2.07% | |
| 2026-06-02 | Sale | CARY RICHARD C | Controller, CAO | 3,000 0.0012% | $206.00 | $618,000 | +21.10% | |
| 2026-03-06 | Sale | Hudson Scott R | Vice President | 3,800 0.0015% | $227.57 | $864,766 | +0.59% | |
| 2026-03-05 | Sale | Mead Christopher E | VICE PRESIDENT | 4,000 0.0015% | $227.12 | $908,472 | +0.15% | |
| 2026-03-02 | Sale | GALLAGHER J PATRICK JR | CEO | 27,450 0.0108% | $230.31 | $6.32M | +0.17% | |
| 2025-12-23 | Sale | Mead Christopher E | VICE PRESIDENT | 4,000 0.0016% | $258.11 | $1.03M | -9.98% | |
| 2025-12-22 | Sale | HOWELL DOUGLAS K | VP & Chief Financial Officer | 5,000 0.0019% | $258.05 | $1.29M | -9.70% | |
| 2025-12-19 | Sale | Bay Walter D. | General Counsel | 15,850 0.0062% | $255.00 | $4.04M | -7.83% | |
| 2025-11-21 | Sale | Mead Christopher E | VICE PRESIDENT | 1,250 0.0005% | $250.74 | $313,425 | -4.32% | |
| 2025-11-18 | Sale | CARY RICHARD C | Controller, CAO | 6,000 0.0024% | $261.00 | $1.57M | -6.64% | |
| 2025-11-03 | Pesch Michael Robert | Vice President | 4,000 0.0015% | $247.12 | $988,488 | +0.07% | ||
| 2025-09-22 | Sale | HOWELL DOUGLAS K | VP & Chief Financial Officer | 8,000 0.0031% | $299.54 | $2.4M | -17.58% | |
| 2025-09-19 | Sale | HOWELL DOUGLAS K | VP & Chief Financial Officer | 6,000 0.0023% | $299.27 | $1.8M | -17.29% | |
| 2025-09-09 | Sale | HOWELL DOUGLAS K | VP & Chief Financial Officer | 3,000 0.0012% | $299.78 | $899,334 | -16.68% | |
| 2025-09-08 | Sale | Hudson Scott R | Vice President | 12,855 0.005% | $297.60 | $3.83M | -16.59% | |
| 2025-08-21 | Sale | CARY RICHARD C | Controller, CAO | 4,000 0.0016% | $306.00 | $1.22M | -18.13% | |
| 2025-06-18 | Pesch Michael Robert | President | 59 <0.0001% | $318.37 | $18,784 | -20.46% |
| GALLAGHER J PATRICK JR | CEO | 96455 0.0376% | $26.38M | 2 | 14 | +9.46% |
| HOWELL DOUGLAS K | VP & Chief Financial Officer | 95777 0.0374% | $26.19M | 2 | 47 | +14.76% |
| GALLAGHER THOMAS JOSEPH | President | 329099 0.1284% | $89.99M | 1 | 7 | +20.33% |
| JOHNSON DAVID S | director | 45323 0.0177% | $12.39M | 1 | 23 | <0.0001% |
| BAX WILLIAM L | director | 45405 0.0177% | $12.42M | 4 | 4 | +23.74% |
| Gallagher Patrick Murphy | Chief Operating Officer | 42945 0.0168% | $11.74M | 1 | 3 | +8.66% |
| Pesch Michael Robert | Vice President | 41849 0.0163% | $11.44M | 2 | 1 | <0.0001% |
| HAND ELBERT O | director | 30800 0.012% | $8.42M | 1 | 7 | +18.91% |
| McCurdy Kay W | director | 29591 0.0115% | $8.09M | 2 | 14 | +3.94% |
| BARRAT SHERRY S | director | 16533 0.0065% | $4.52M | 1 | 4 | +5.41% |
| English Frank E. Jr. | director | 5500 0.0021% | $1.5M | 2 | 17 | +15.27% |
| HENGESBAUGH BERNARD L | director | 1000 0.0004% | $273,450.00 | 1 | 0 | <0.0001% |
$33,078 | 2 | 11.95% | $369.79M | |
$287,200 | 1 | -19.08% | $2.59B |
| Increased Positions | 554 | +32.23% | 20M | +8.81% |
| Decreased Positions | 765 | -44.5% | 16M | -6.95% |
| New Positions | 152 | New | 5M | New |
| Sold Out Positions | 179 | Sold Out | 990,892 | Sold Out |
| Total Postitions | 1,508 | -12.27% | 234M | +1.86% |
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| Blackrock, Inc. | $4.75M | 7.22% | 18.56M | -419,087 | -2.21% | 2025-09-30 |
| Fmr Llc | $3.21M | 4.88% | 12.53M | -530,592 | -4.06% | 2025-09-30 |
| Capital World Investors | $3.02M | 4.59% | 11.78M | +101,298 | +0.87% | 2025-09-30 |
| State Street Corp | $2.79M | 4.24% | 10.89M | +147,587 | +1.37% | 2025-09-30 |
| Morgan Stanley | $2.2M | 3.34% | 8.59M | +1M | +21.05% | 2025-09-30 |
| Capital International Investors | $1.84M | 2.8% | 7.19M | +45,256 | +0.63% | 2025-09-30 |
| Geode Capital Management, Llc | $1.54M | 2.34% | 6M | +90,546 | +1.53% | 2025-09-30 |
| Norges Bank | $1.23M | 1.87% | 4.8M | -209,329 | -4.18% | 2025-06-30 |