James C. Klauer - 22 Oct 2026 Form 4 Insider Report for COSTCO WHOLESALE CORP /NEW (COST)

Reporting relationship: Executive Vice President
Issuer ticker: COST
Reported as of: 22 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 Oct 2026, 18:42:25 UTC
Prior SEC filing: 14 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Alejandro Torres, Attorney-in-Fact

Filing notes and source

Key filing fact

James C. Klauer filed Form 4 for COSTCO WHOLESALE CORP /NEW (COST) on 26 Oct 2026.

Key facts

This page summarizes James C. Klauer's Form 4 filing for COSTCO WHOLESALE CORP /NEW (COST).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 26 Oct 2026, 18:42.

Change

Previous filing in this sequence was filed on 14 Sep 2026.
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 0001729360 Primary reporting owner

Klauer James C

Relationship: Executive Vice President
Address: 999 LAKE DRIVE, ISSAQUAH
Signature: /s/ Alejandro Torres, Attorney-in-Fact
Signature date: 26 Oct 2026

Reported non-derivative transactions

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

COST transaction

Common Stock

Tax liability

Transaction value
Shares: -191
Change %: -0.4%
Price: $1018.21^*
Shares after: 47,839
Date: 22 Oct 2026
Ownership: Direct
Footnotes: F1

COST transaction

Common Stock

Tax liability

Transaction value
Shares: -396
Change %: -0.83%
Price: $1018.21^*
Shares after: 47,443
Date: 22 Oct 2026
Ownership: Direct
Footnotes: F1

COST transaction

Common Stock

Tax liability

Transaction value
Shares: -530
Change %: -1.1%
Price: $1018.21^*
Shares after: 46,913
Date: 22 Oct 2026
Ownership: Direct
Footnotes: F1

COST transaction

Common Stock

Tax liability

Transaction value
Shares: -443
Change %: -0.94%
Price: $1018.21^*
Shares after: 46,470
Date: 22 Oct 2026
Ownership: Direct
Footnotes: F1

COST transaction

Common Stock

Tax liability

Transaction value
Shares: -542
Change %: -1.2%
Price: $1018.21^*
Shares after: 45,929
Date: 22 Oct 2026
Ownership: Direct
Footnotes: F1

COST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 98
Date: 22 Oct 2026
Ownership: By Spouse

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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, 2026.