Douglas K Howell Arthur J. Gallagher & Co. (AJG) insider trading activity

Douglas K Howell is VP & Chief Financial Officer of Arthur J. Gallagher & Co.. Currently has a direct ownership of 100,776 shares of AJG, which is worth approximately $25.9 Million. The most recent transaction as insider was on Sep 22, 2025, when has been sold 8,000 shares (Common Stock) at a price of $299.64 per share, resulting in proceeds of $2,397,120. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 101K

14.43% 3M change

32.67% 12M change

Total Value Held $25.9 Million

DOUGLAS K HOWELL Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 22 2025	SELL Open market or private sale	$2,397,120 $299.64 p/Share	8,000 Reduced 7.35%	100,776 Common Stock
Sep 19 2025	SELL Open market or private sale	$1,795,200 $299.2 p/Share	6,000 Reduced 5.23%	108,776 Common Stock
Sep 09 2025	SELL Open market or private sale	$899,339 $299.78 p/Share	3,000 Reduced 2.55%	114,776 Common Stock
Jul 31 2025	BUY Exercise of conversion of derivative security	-	35,739 Added 23.28%	117,776 Common Stock
Mar 31 2025	SELL Payment of exercise price or tax liability	$36,250 $345.24 p/Share	105 Reduced 0.13%	81,946 Common Stock
Mar 31 2025	BUY Exercise of conversion of derivative security	-	105 Added 0.13%	82,051 Common Stock
Mar 15 2025	SELL Payment of exercise price or tax liability	$1,325,678 $325.24 p/Share	4,076 Reduced 4.74%	81,946 Common Stock
Mar 15 2025	SELL Exercise of conversion of derivative security	-	9,160 Reduced 95.32%	450 Common Stock (restricted)
Mar 15 2025	BUY Grant, award, or other acquisition	-	9,610 Added 50.0%	9,610 Common Stock (restricted)
Mar 15 2025	BUY Exercise of conversion of derivative security	$355,822 $35.37 p/Share	10,060 Added 10.51%	85,619 Common Stock
Mar 12 2025	SELL Exercise of conversion of derivative security	$928,387 $325.75 p/Share	2,850 Reduced 100.0%	0 Common Stock (restricted)
Oct 28 2024	SELL Open market or private sale	$1,992,900 $284.7 p/Share	7,000 Reduced 8.44%	75,962 Common Stock
Oct 28 2024	BUY Exercise of conversion of derivative security	$495,179 $70.74 p/Share	7,000 Added 7.78%	82,962 Common Stock
Sep 19 2024	SELL Open market or private sale	$1,992,760 $284.68 p/Share	7,000 Reduced 8.44%	75,962 Common Stock
Sep 19 2024	BUY Exercise of conversion of derivative security	$495,179 $70.74 p/Share	7,000 Added 7.78%	82,962 Common Stock
Aug 01 2024	SELL Open market or private sale	$2,482,959 $285.07 p/Share	8,710 Reduced 10.29%	75,962 Common Stock
Jul 26 2024	BUY Exercise of conversion of derivative security	-	8,710 Added 9.33%	84,672 Common Stock
May 17 2024	SELL Open market or private sale	$1,310,904 $257.04 p/Share	5,100 Reduced 6.3%	75,851 Common Stock
May 10 2024	SELL Open market or private sale	$3,988,000 $249.25 p/Share	16,000 Reduced 16.5%	80,951 Common Stock
May 02 2024	SELL Payment of exercise price or tax liability	$468,969 $238.54 p/Share	1,966 Reduced 1.99%	96,951 Common Stock
May 02 2024	BUY Exercise of conversion of derivative security	-	4,687 Added 4.52%	98,918 Common Stock
Apr 29 2024	SELL Payment of exercise price or tax liability	$46,349 $232.91 p/Share	199 Reduced 0.21%	94,031 Common Stock
Apr 29 2024	BUY Exercise of conversion of derivative security	-	199 Added 0.21%	94,230 Common Stock
Mar 16 2024	SELL Payment of exercise price or tax liability	$495,960 $253.17 p/Share	1,959 Reduced 2.16%	88,546 Common Stock
Mar 16 2024	SELL Exercise of conversion of derivative security	$1,438,961 $126.58 p/Share	11,368 Reduced 79.95%	2,850 Common Stock (restricted)

DKH

Douglas K Howell

VP & Chief Financial Officer

Rolling Meadows, IL

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