Walter D. Bay

AJG

Walter D. Bay serves as General Counsel at Arthur J. Gallagher & Co. (AJG). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

18 trades

$43.49M

Net Position

Net Seller

$43.49M

Companies Traded

AJG

Active Period

Mar 2021 – Dec 2025

18 total trades

Most Recent

Sell AJG

Dec 23, 2025 · $4.04M

Walter D. Bay's Insider Trading at Arthur J. Gallagher & Co. (AJG)

Buys

0 · $0.00

Sells

18 · $43.49M

Total Shares Bought

Total Shares Sold

169,507

AJG Price Chart

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Date	Type	Shares	Avg Price	Value
Dec 23, 2025	Sell	15,850	$255.00	$4.04M
Apr 2, 2025	Sell	79	$344.17	$27.2K
Mar 18, 2025	Sell	3,108	$325.24	$1.01M
Mar 14, 2025	Sell	945	$325.75	$307.8K
Feb 13, 2025	Sell	10,000	$326.62	$3.27M
Feb 5, 2025	Sell	40,613	$316.30	$12.85M
Jul 30, 2024	Sell	6,335	$284.06	$1.80M
Jun 17, 2024	Sell	8,303	$262.74	$2.18M
May 16, 2024	Sell	24,376	$255.48	$6.23M
Mar 16, 2024	Sell	3,858	$253.17	$976.7K
Mar 14, 2024	Sell	980	$254.91	$249.8K
Sep 15, 2023	Sell	21,800	$232.00	$5.06M
Mar 15, 2023	Sell	1,773	$177.09	$314.0K
Mar 10, 2023	Sell	3,530	$182.76	$645.1K
Aug 9, 2022	Sell	10,200	$183.00	$1.87M
Mar 14, 2022	Sell	12,334	$160.45	$1.98M
Mar 16, 2021	Sell	2,245	$128.43	$288.3K
Mar 15, 2021	Sell	3,178	$127.21	$404.3K