Walter D. Bay Arthur J. Gallagher & Co. (AJG) insider trading activity

Walter D. Bay is General Counsel of Arthur J. Gallagher & Co.. Currently has a direct ownership of 79,549 shares of AJG, which is worth approximately $27.1 Million. The most recent transaction as insider was on Mar 15, 2025, when has been sold 7,180 shares (Common Stock (restricted)) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 79.5K

164.7% 3M change

52.2% 12M change

Total Value Held $27.1 Million

Walter D. Bay Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Mar 15 2025	SELL Exercise of conversion of derivative security	-	7,180 Reduced 100.0%	0 Common Stock (restricted)
Mar 15 2025	SELL Payment of exercise price or tax liability	$1,010,845 $325.24 p/Share	3,108 Reduced 3.76%	79,549 Common Stock
Mar 15 2025	BUY Exercise of conversion of derivative security	-	7,180 Added 7.99%	82,657 Common Stock
Mar 15 2025	BUY Grant, award, or other acquisition	-	7,180 Added 50.0%	7,180 Common Stock (restricted)
Mar 12 2025	SELL Payment of exercise price or tax liability	$307,833 $325.75 p/Share	945 Reduced 1.24%	75,477 Common Stock
Mar 12 2025	SELL Exercise of conversion of derivative security	-	2,250 Reduced 100.0%	0 Common Stock (restricted)
Mar 12 2025	BUY Exercise of conversion of derivative security	-	2,250 Added 2.86%	76,422 Common Stock
Feb 13 2025	SELL Open market or private sale	$3,266,200 $326.62 p/Share	10,000 Reduced 11.88%	74,172 Common Stock
Feb 05 2025	SELL Payment of exercise price or tax liability	$12,845,575 $316.3 p/Share	40,612 Reduced 32.55%	84,172 Common Stock
Feb 05 2025	BUY Exercise of conversion of derivative security	-	94,731 Added 43.15%	124,784 Common Stock
Jul 30 2024	SELL Open market or private sale	$1,799,520 $284.06 p/Share	6,335 Reduced 17.41%	30,053 Common Stock
Jun 18 2024	SELL Open market or private sale	$2,181,530 $262.74 p/Share	8,303 Reduced 18.58%	36,388 Common Stock
May 20 2024	SELL Open market or private sale	$205,792 $257.24 p/Share	800 Reduced 1.76%	44,691 Common Stock
May 20 2024	BUY Exercise of conversion of derivative security	$56,591 $70.74 p/Share	800 Added 1.73%	45,491 Common Stock
May 17 2024	SELL Open market or private sale	$2,242,884 $257.3 p/Share	8,717 Reduced 16.32%	44,691 Common Stock
May 17 2024	BUY Exercise of conversion of derivative security	$616,640 $70.74 p/Share	8,717 Added 14.03%	53,408 Common Stock
May 16 2024	SELL Open market or private sale	$3,781,912 $254.52 p/Share	14,859 Reduced 24.95%	44,691 Common Stock
May 16 2024	BUY Exercise of conversion of derivative security	$515,199 $70.74 p/Share	7,283 Added 10.9%	59,550 Common Stock
Mar 16 2024	SELL Payment of exercise price or tax liability	$976,729 $253.17 p/Share	3,858 Reduced 6.87%	52,267 Common Stock
Mar 16 2024	SELL Exercise of conversion of derivative security	-	8,914 Reduced 79.85%	2,250 Common Stock (restricted)
Mar 16 2024	BUY Exercise of conversion of derivative security	-	8,914 Added 13.71%	56,125 Common Stock
Mar 16 2024	BUY Grant, award, or other acquisition	-	8,914 Added 44.4%	11,164 Common Stock (restricted)
Mar 14 2024	SELL Exercise of conversion of derivative security	-	3,500 Reduced 60.87%	2,250 Common Stock (restricted)
Mar 14 2024	SELL Payment of exercise price or tax liability	$249,811 $254.91 p/Share	980 Reduced 2.03%	47,211 Common Stock
Mar 14 2024	BUY Exercise of conversion of derivative security	-	3,500 Added 6.77%	48,191 Common Stock

WDB

Walter D. Bay

General Counsel

Rolling Meadows, IL

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells AJG shares.

Notify only if

Value

Insider Trading

Get notified when an Arthur J. Gallagher & Co. insider buys or sells AJG shares.

Notify only if

Operation

Value

Type

News

Receive news related to Arthur J. Gallagher & Co.

Track Activities on AJG

Account