John Christopher Sullivan Costco Wholesale Corp (COST) insider trading activity

John Christopher Sullivan is Executive VP of COSTCO WHOLESALE CORP . Currently has a direct ownership of 47,671 shares of COST, which is worth approximately $43.5 Million. The most recent transaction as insider was on Oct 22, 2025, when has been sold 2,510 shares (Common Stock) at a price of $944.68 per share, resulting in proceeds of $2,371,146. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 47.7K

4.7% 3M change

4.7% 12M change

Total Value Held $43.5 Million

John Christopher Sullivan Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 22 2025	SELL Payment of exercise price or tax liability	$2,371,146 $944.68 p/Share	2,510 Reduced 5.0%	47,671 Common Stock
Oct 22 2025	BUY Grant, award, or other acquisition	-	4,654 Added 8.49%	50,184 Common Stock
Oct 22 2024	SELL Payment of exercise price or tax liability	$2,249,807 $893.49 p/Share	2,518 Reduced 5.24%	45,530 Common Stock
Oct 22 2024	BUY Grant, award, or other acquisition	-	7,433 Added 13.4%	48,051 Common Stock
Jan 12 2024	BUY Grant, award, or other acquisition	-	138 Added 0.34%	40,511 Common Stock
Oct 22 2023	SELL Payment of exercise price or tax liability	$1,296,067 $552.93 p/Share	2,344 Reduced 5.49%	40,372 Common Stock
Oct 22 2023	BUY Grant, award, or other acquisition	-	7,429 Added 14.81%	42,720 Common Stock

Oct 22 2022	SELL Payment of exercise price or tax liability	$1,189,234 $478.18 p/Share	2,487 Reduced 6.58%	35,291 Common Stock

JCS

John Christopher Sullivan

Executive VP

Issaquah, WA

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