Susan L. Decker - Jan 12, 2024 Form 4 Insider Report for COSTCO WHOLESALE CORP /NEW (COST)

Role: Director
Signature: /s/ Alejandro Torres, Attorney-in-Fact
Stock symbol: COST
Transactions as of: Jan 12, 2024
Transactions value $: $0
Form type: 4
Date filed: 1/12/2024, 05:13 PM
Previous filing: Oct 24, 2023
Next filing: Feb 12, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	COST	Common Stock	Award	$0	+18.9	+0.14%	$0.00	13.8K	Jan 12, 2024	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents additional restricted stock units ("RSUs") resulting from the upward adjustment of outstanding unvested RSUs by a factor of 1.018, in connection with the special cash dividend payable by the issuer on January 12, 2024. The adjustment was required under applicable plan documents. The additional RSUs reported are subject to the same vesting schedules as the original unvested RSUs to which they relate.
F2	Not applicable. Grant of Restricted Stock Units.

Content

Represents additional restricted stock units ("RSUs") resulting from the upward adjustment of outstanding unvested RSUs by a factor of 1.018, in connection with the special cash dividend payable by the issuer on January 12, 2024. The adjustment was required under applicable plan documents. The additional RSUs reported are subject to the same vesting schedules as the original unvested RSUs to which they relate.

Not applicable. Grant of Restricted Stock Units.