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CIK 0000354190 · Large accelerated filer

Arthur J. Gallagher & Co.

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Ticker
AJG
Exchange
NYSE
Industry
Insurance Agents, Brokers & Service
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
362151613
Phone
630-773-3800
Business address
2850 GOLF ROAD, ROLLING MEADOWS, IL, 60008-4050
Former names
GALLAGHER ARTHUR J & CO
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$29,193,204
in 8 filings

Net −$29,193,204. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-09-01 Miskel Christopher C. Director Grant or award +152.67 $262.00 $40K 10,826.44
2026-08-24 Bay Walter D. General Counsel Sale −12,000 $270.08 $3.2M 71,292.09
2026-08-19 Mead Christopher E VICE PRESIDENT Option exercise +3,500 $86.17 $302K 25,723.41
2026-08-19 Mead Christopher E VICE PRESIDENT Sale −3,500 $257.03 $900K 22,223.41
2026-08-19 Mead Christopher E VICE PRESIDENT Option exercise · Non-qualified Stock Option −3,500 7,590
2026-08-16 Bloom Mark H. Vice President Option exercise +1,280.49 5,023.49
2026-08-16 Bloom Mark H. Vice President Shares withheld for taxes −606.81 $251.21 $152K 4,416.67
2026-08-16 Bloom Mark H. Vice President Option exercise · Phantom Stock −1,280.49 6,017.05
2026-08-05 Gallagher Patrick Murphy Chief Operating Officer Gift −23,800 53,262
2026-07-01 Jain Vishal VICE PRESIDENT Option exercise +2,162.69 $229.57 $496K 68,903.38
2026-07-01 Jain Vishal VICE PRESIDENT Option exercise · Notional Stock Units −2,162.69 9,725.85
2026-07-01 GALLAGHER THOMAS JOSEPH President Option exercise +351.95 $229.57 $81K 323,743.03
2026-07-01 GALLAGHER THOMAS JOSEPH President Option exercise · Notional Stock Units −351.95 13,345.63
2026-07-01 Pesch Michael Robert Vice President Option exercise +355.8 $229.57 $82K 44,832.73
2026-07-01 Pesch Michael Robert Vice President Option exercise · Notional Stock Units −355.8 6,134.53
2026-06-22 HOWELL DOUGLAS K VP & Chief Financial Officer Other disposition · Notional Stock Units −12,954.39 $209.08 $2.7M 185,953.93
2026-06-02 CARY RICHARD C Controller, CAO Sale −3,000 $206.00 $618K 47,819.49
2026-06-01 JOHNSON DAVID S Director Grant or award +236.54 $206.10 $49K 47,386.55
2026-06-01 Miskel Christopher C. Director Grant or award +194.08 $206.10 $40K 10,641.77
2026-05-26 Gallagher Patrick Murphy Chief Operating Officer Gift +14,698 98,105.25

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