Title: Costco Wholesale Corp: director James Hamilton E received 266 shares

Short description: Costco Wholesale Corp director James Hamilton E received 266 restricted stock units on Oct 22, 2026, at $0.00.

Summary: What happened James Hamilton E, a director, received a grant of 266 restricted stock units on Oct 22, 2026, at $0.00 per share, total $0.00.

Key details

• Transaction date and price: Oct 22, 2026; 266 shares; $0.00 per share; total $0.00.
• Shares owned after the transaction: not reported in the filing.
• Footnotes: F1 — grant of restricted stock units; vests 1/3 on Oct 22, 2027, and 1/3 annually on Oct 22 for the following two years. F2 — not applicable; grant of restricted stock units.
• Filing date: filed Oct 26, 2026; the filing does not specify a late-filing flag.

Why it may matter This was a grant of restricted stock units, not a market trade. The filing does not show why the insider traded or why the company acted.