Paul G. Moulton - Sep 14, 2021 Form 4 Insider Report for COSTCO WHOLESALE CORP /NEW (COST)

Role: Executive VP
Signature: Deanna K. Nakashima, attorney-in-fact
Stock symbol: COST
Transactions as of: Sep 14, 2021
Transactions value $: -$1,473,330
Form type: 4
Date filed: 9/16/2021, 09:59 AM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	COST	Common Stock	Award		+9K	+39.04%		32K	Sep 14, 2021	Direct	F1, F2
transaction	COST	Common Stock	Tax liability	-$1.47M	-3.21K	-10.03%	$458.41	28.8K	Sep 14, 2021	Direct

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

Paul G. Moulton is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	Grant was initially made in October 2020 subject to performance conditions concerning fiscal 2021, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The shares of restricted stock subject to performance conditions vest ratably over a four year period from satisfaction based on continued employment with the Company. In addition, under the Stock Incentive Plan, long term employees are eligible for accelerated vesting upon the anniversary of their 25th, 30th and 35th years of service.
F2	Not applicable. Grant of Restricted Stock Units.

Content

Grant was initially made in October 2020 subject to performance conditions concerning fiscal 2021, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The shares of restricted stock subject to performance conditions vest ratably over a four year period from satisfaction based on continued employment with the Company. In addition, under the Stock Incentive Plan, long term employees are eligible for accelerated vesting upon the anniversary of their 25th, 30th and 35th years of service.

Not applicable. Grant of Restricted Stock Units.