Gary Millerchip - 11 Mar 2026 Form 4 Insider Report for COSTCO WHOLESALE CORP /NEW (COST)

Signature
/s/ Alejandro Torres, Attorney-in-Fact
Issuer symbol
COST
Transactions as of
11 Mar 2026
Net transactions value
$0
Form type
4
Filing time
13 Mar 2026, 16:10:05 UTC
Previous filing
24 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
MILLERCHIP GARY Executive Vice President 999 LAKE DRIVE, ISSAQUAH /s/ Alejandro Torres, Attorney-in-Fact 13 Mar 2026 0001771770

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction COST Common Stock Tax liability -1,154 -6.9% $992.23* 15,465 11 Mar 2026 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 March 11, 2026.