Hamilton E James Costco Wholesale Corp (COST) insider trading activity

Hamilton E James is Director of COSTCO WHOLESALE CORP . Currently has a direct ownership of 55,537 shares of COST, which is worth approximately $50.7 Million. The most recent transaction as insider was on Oct 22, 2025, when has been sold 286 shares (Common Stock) 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) 55.5K

0.52% 3M change

0.52% 12M change

Total Value Held $50.7 Million

HAMILTON E JAMES Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 22 2025	BUY Grant, award, or other acquisition	-	286 Added 0.51%	55,537 Common Stock
Oct 22 2024	BUY Grant, award, or other acquisition	-	303 Added 0.55%	55,251 Common Stock
Jan 12 2024	BUY Grant, award, or other acquisition	-	18 Added 0.03%	54,948 Common Stock
Oct 22 2023	BUY Grant, award, or other acquisition	-	489 Added 0.88%	54,930 Common Stock
Oct 22 2022	BUY Grant, award, or other acquisition	-	565 Added 1.33%	41,803 Common Stock
Oct 22 2021	BUY Grant, award, or other acquisition	-	561 Added 1.34%	41,238 Common Stock
Dec 11 2020	BUY Grant, award, or other acquisition	-	34 Added 0.08%	40,677 Common Stock

Oct 22 2020	BUY Grant, award, or other acquisition	-	719 Added 1.74%	40,643 Common Stock
Oct 22 2019	BUY Grant, award, or other acquisition	-	901 Added 2.21%	39,924 Common Stock
Oct 22 2018	BUY Grant, award, or other acquisition	-	1,179 Added 2.93%	39,023 Common Stock
Oct 22 2017	BUY Grant, award, or other acquisition	-	1,870 Added 4.69%	38,034 Common Stock
May 24 2017	BUY Grant, award, or other acquisition	$24,221 $173.01 p/Share	140 Added 0.39%	36,164 Common Stock
Oct 22 2016	BUY Grant, award, or other acquisition	-	2,182 Added 5.71%	36,024 Common Stock
Oct 22 2015	BUY Grant, award, or other acquisition	-	2,150 Added 5.97%	33,842 Common Stock
Feb 27 2015	BUY Grant, award, or other acquisition	$31,743 $146.96 p/Share	216 Added 0.68%	31,692 Common Stock
Oct 22 2014	BUY Grant, award, or other acquisition	-	2,400 Added 7.08%	31,476 Common Stock
Aug 11 2014	SELL Open market or private sale	$1,538,435 $119.12 p/Share	12,915 Reduced 30.76%	29,076 Common Stock
Aug 11 2014	BUY Exercise of conversion of derivative security	$525,511 $40.69 p/Share	12,915 Added 23.52%	41,991 Common Stock
Dec 30 2013	SELL Open market or private sale	$225,549 $118.71 p/Share	1,900 Reduced 6.13%	29,076 Common Stock
Nov 01 2013	SELL Open market or private sale	$1,533,785 $118.76 p/Share	12,915 Reduced 23.97%	40,976 Common Stock
Nov 01 2013	BUY Exercise of conversion of derivative security	$448,280 $34.71 p/Share	12,915 Added 19.33%	53,891 Common Stock
Oct 22 2013	BUY Grant, award, or other acquisition	-	2,400 Added 5.53%	40,976 Common Stock

Also insider at

Blackstone Inc. Financial Services

Executive Vice Chairman

HEJ

Hamilton E James

Director

New York, NY

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