Mead Christopher E [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
08/02/2023	Arthur J. Gallagher & Co.	AJG	Gift	Common Stock	185	$0.00	$0	08/02/2023
03/15/2023	Arthur J. Gallagher & Co.	AJG	Exercise	Common Stock	1.2k	$0.00	$0	03/15/2023
03/15/2023	Arthur J. Gallagher & Co.	AJG	Payment of Exercise	Common Stock	554	$177.09	$98.1k	03/15/2023
03/15/2023	Arthur J. Gallagher & Co.	AJG	Grant	Non-qualified Stock Option	7k	$177.09	$1.2M	03/15/2023
03/12/2023	Arthur J. Gallagher & Co.	AJG	Grant	Common Stock (restricted)	6.2k	$0.00	$0	03/10/2023
03/12/2023	Arthur J. Gallagher & Co.	AJG	Exercise	Common Stock	6.2k	$0.00	$0	03/10/2023
03/12/2023	Arthur J. Gallagher & Co.	AJG	Payment of Exercise	Common Stock	1.9k	$182.76	$351.1k	03/10/2023
03/10/2023	Arthur J. Gallagher & Co.	AJG	Other	Phantom Stock	2.8k	$185.95	$525k	03/10/2023
03/16/2022	Arthur J. Gallagher & Co.	AJG	Other	Phantom Stock	2.2k	$158.26	$350k	03/14/2022
03/15/2022	Arthur J. Gallagher & Co.	AJG	Grant	Non-qualified Stock Option	8.4k	$158.56	$1.3M	03/14/2022
03/14/2022	Arthur J. Gallagher & Co.	AJG	Payment of Exercise	Common Stock	1.2k	$154.74	$189.4k	03/14/2022
03/14/2022	Arthur J. Gallagher & Co.	AJG	Exercise	Common Stock	4.2k	$0.00	$0	03/14/2022
03/14/2022	Arthur J. Gallagher & Co.	AJG	Grant	Common Stock (restricted)	4.2k	$0.00	$0	03/14/2022
02/23/2022	Arthur J. Gallagher & Co.	AJG	Grant	Notional Stock Units	302.07	$153.73	$46.4k	02/23/2022
03/17/2021	Arthur J. Gallagher & Co.	AJG	Other	Phantom Stock	2.7k	$127.42	$350k	03/16/2021
03/16/2021	Arthur J. Gallagher & Co.	AJG	Grant	Common Stock (restricted)	975	$0.00	$0	03/16/2021
03/16/2021	Arthur J. Gallagher & Co.	AJG	Grant	Non-qualified Stock Option	11.7k	$127.90	$1.5M	03/16/2021
03/15/2021	Arthur J. Gallagher & Co.	AJG	Payment of Exercise	Common Stock	964	$127.21	$122.6k	03/15/2021
03/15/2021	Arthur J. Gallagher & Co.	AJG	Exercise	Common Stock	3.3k	$0.00	$0	03/15/2021
03/15/2021	Arthur J. Gallagher & Co.	AJG	Grant	Common Stock (restricted)	3.3k	$0.00	$0	03/15/2021
03/13/2020	Arthur J. Gallagher & Co.	AJG	Other	Phantom Stock	3.5k	$86.28	$300k	03/13/2020
03/12/2020	Arthur J. Gallagher & Co.	AJG	Grant		1.2k	$0.00	$0	03/12/2020
03/12/2020	Arthur J. Gallagher & Co.	AJG	Grant	Non-qualified Stock Option	11.1k	$86.17	$955.6k	03/12/2020
03/18/2019	Arthur J. Gallagher & Co.	AJG	Other	Phantom Stock	2.5k	$79.68	$200k	03/14/2019
03/14/2019	Arthur J. Gallagher & Co.	AJG	Grant	Common Stock (restricted)	1.6k	$0.00	$0	03/14/2019
03/14/2019	Arthur J. Gallagher & Co.	AJG	Grant	Non-qualified Stock Option	8k	$79.59	$636.7k	03/14/2019