Hamilton E. James - 22 Oct 2025 Form 4 Insider Report for COSTCO WHOLESALE CORP /NEW (COST)

Reporting relationship: Director
Issuer ticker: COST
Reported as of: 22 Oct 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 24 Oct 2025, 18:16:06 UTC
Prior SEC filing: 24 Oct 2024
Source filing: View source filing
Reporting owner signature: /s/ Alejandro Torres, Attorney-in-Fact

Key filing fact

Hamilton E. James filed Form 4 for COSTCO WHOLESALE CORP /NEW (COST) on 24 Oct 2025.

Key facts

This page summarizes Hamilton E. James's Form 4 filing for COSTCO WHOLESALE CORP /NEW (COST).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 24 Oct 2025, 18:16.

Change

Previous filing in this sequence was filed on 24 Oct 2024.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001238989 Primary reporting owner

JAMES HAMILTON E

Relationship: Director
Address: C/O JEFFERSON RIVER CAPITAL, NEW YORK
Signature: /s/ Alejandro Torres, Attorney-in-Fact
Signature date: 24 Oct 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

COST transaction

Common Stock

Award

Transaction value: $0
Shares: +286
Change %: +0.52%
Price: $0.000000
Shares after: 55,538
Date: 22 Oct 2025
Ownership: Direct
Footnotes: F1, F2

COST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 230
Date: 22 Oct 2025
Ownership: By Family Trust I

COST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 230
Date: 22 Oct 2025
Ownership: By Family Trust II

COST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 230
Date: 22 Oct 2025
Ownership: By Family Trust III

COST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 461
Date: 22 Oct 2025
Ownership: By Family Trust IV

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Grant of Restricted Stock Units. Vests one-third on October 22, 2026, and one-third annually on October 22 for the following two years.

Footnote F2

Not applicable. Grant of Restricted Stock Units.

SEC remarks

Exhibit 24: Power of Attorney provided herewith.