Caton Frates - 10 Sep 2025 Form 4 Insider Report for COSTCO WHOLESALE CORP /NEW (COST)

Role
Executive Vice President
Signature
/s/ Alejandro Torres, Attorney-in-Fact
Issuer symbol
COST
Transactions as of
10 Sep 2025
Transactions value $
-$1,215,519
Form type
4
Filing time
12 Sep 2025, 17:40:31 UTC
Previous filing
20 Mar 2025
Next filing
30 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Frates Caton Executive Vice President 999 LAKE DRIVE, ISSAQUAH /s/ Alejandro Torres, Attorney-in-Fact 12 Sep 2025 0001928633

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction COST Common Stock Award $0 +4,219 +54% $0 12,094 10 Sep 2025 Direct F1, F2
transaction COST Common Stock Tax liability -$1,215,519 -1,271 -11% $956.29 10,823 10 Sep 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Grant was initially made on October 22, 2024, subject to performance conditions concerning fiscal 2025, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The earned awards vest 20% on the first anniversary of the grant date and an additional 20% vest over each of the ensuing four years based on continued employment with the Company. In addition, under the 2019 Incentive Plan, 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.

Remarks:

Exhibit 24: Power of Attorney attached herewith.