LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM

Reporting ownerCIK 0001222374

Douglas K. Howell

16 transactions in one company, from December 22, 2025 to June 22, 2026.

By company

Where this insider traded.

Company	Ticker	Trades	Bought	Sold
Arthur J. Gallagher & Co.	AJG	16	—	$1.3M

16 in total, newest filings first.

Company	Ticker	Insider	Date	Code	Shares	Price	Value
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFODERIV	Jun 22	I	12,954	$209.08	$2.7M?
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFODERIV	Mar 31	M	76	$0.00	—?
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFO	Mar 31	F	76	$215.95	$16K
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFO	Mar 31	M	76	$215.95	$16K
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFODERIV	Mar 13	M	14,100	$0.00	—?
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFO	Mar 15	F	3,865	$207.93	$804K
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFO	Mar 15	M	9,082	$0.00	—
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFO	Mar 15	M	9,082	$0.00	—
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFO	Mar 15	A	9,082	$0.00	—
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFO	Mar 13	F	8,638	$207.93	$1.8M
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFO	Mar 13	M	14,100	$79.59	$1.1M
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFODERIV	Mar 4	A	2,643	$227.01	$600K?
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFODERIV	Mar 1	A	20,737	$0.00	—?
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFODERIV	Feb 10	I	12,892	$212.58	$2.7M?
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFO	Dec 22	G	196	$0.00	—
Arthur J. Gallagher & Co.	AJG	Douglas K. HowellCFO	Dec 22	S	5,000	$258.05	$1.3M