Caton Frates - Oct 22, 2025 Form 4 Insider Report for COSTCO WHOLESALE CORP /NEW (COST)

Role
Executive Vice President
Signature
/s/ Alejandro Torres, Attorney-in-Fact
Stock symbol
COST
Transactions as of
Oct 22, 2025
Transactions value $
-$2,615,526
Form type
4
Date filed
10/24/2025, 07:17 PM
Previous filing
Sep 30, 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 2025-10-24 0001928633

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction COST Common Stock Tax liability -$147K -156 -1.68% $944.68 9.13K Oct 22, 2025 Direct F1
transaction COST Common Stock Tax liability -$234K -248 -2.71% $944.68 8.88K Oct 22, 2025 Direct F1
transaction COST Common Stock Tax liability -$716K -758 -8.54% $944.68 8.12K Oct 22, 2025 Direct F1
transaction COST Common Stock Tax liability -$851K -901 -11.1% $944.68 7.22K Oct 22, 2025 Direct F1
transaction COST Common Stock Tax liability -$667K -706 -9.77% $944.68 6.52K Oct 22, 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on Nasdaq on October 22, 2025.