3Filing Date: Sep 10, 2026
Costco
Initial Statement of Beneficial Ownership
View SEC Filing
ACC: 0000909832-26-000066
Total Value$0
Trades1
Insiders1
Transaction Details
Self Adam Webb
Executive Vice President·Direct
Common Stock
Shares0
Price-
Total Value$0
Shares Owned After3.53K
Footnotes ▸
Includes 2,726.578 shares of common stock that are unvested grants of Restricted Stock Units ("RSUs"). The vesting schedule for the RSUs is as follows: 1,016.942 shares will vest on October 22, 2026 and 1,709.636 shares will vest on October 22, 2027.
Post-Transaction Holdings
Self Adam Webb · Executive Vice President
| Security | Shares | Change |
|---|---|---|
| Common Stock | 3.53K | - |
Original SEC Filing Textexpand_more
=== SEC Form 3 — Statement of Changes in Beneficial Ownership ===
Document Type: 3
Period of Report: 2026-08-31
--- Issuer ---
Name: COSTCO WHOLESALE CORP /NEW (COST)
CIK: 0000909832
--- Reporting Owner ---
Name: Self Adam Webb
CIK: 0002150337
Role: Officer (Executive Vice President)
--- Holdings ---
[Holding #1]
Security: Common Stock
Ownership: D (Direct)
Footnotes:
[F1] Includes 2,726.578 shares of common stock that are unvested grants of Restricted Stock Units ("RSUs"). The vesting schedule for the RSUs is as follows: 1,016.942 shares will vest on October 22, 2026 and 1,709.636 shares will vest on October 22, 2027.
--- Footnotes (Complete Index) ---
F1: Includes 2,726.578 shares of common stock that are unvested grants of Restricted Stock Units ("RSUs"). The vesting schedule for the RSUs is as follows: 1,016.942 shares will vest on October 22, 2026 and 1,709.636 shares will vest on October 22, 2027.
--- Signature ---
/s/ /s/ Alejandro Torres, Attorney-in-Fact (2026-09-10)