Costco Wholesale Corp: executive vice president Gary Millerchip received 6,140 shares

What happened

• Gary Millerchip, executive vice president, had 6,140 restricted stock units vest on Oct 22, 2026 (grant/acquisition code A) at $0.00 per share. The filing reports three company tax-withholding disposals (code F) on the same date: 313.451 shares for $319,159; 500.323 shares for $509,434; and 816.968 shares for $831,845, totaling 1,630.742 shares withheld valued at $1,660,438. The Form 4 was filed Oct 26, 2026 for the Oct 22, 2026 transactions.

Key details

• Transaction date and prices: Oct 22, 2026 — 6,140 shares @ $0.00 (award); withholding disposals 313.451 @ $1,018.21 ($319,159), 500.323 @ $1,018.21 ($509,434), 816.968 @ $1,018.21 ($831,845). The per-share withholding price equals the Nasdaq closing price on Oct 22, 2026.
• Shares owned after the transaction: not reported in this Form 4.
• Footnotes: F1 — grant originally made Oct 22, 2025 subject to fiscal 2026 performance conditions now deemed satisfied; vesting schedule is one-third on the first anniversary and one-third in each of the next two years based on continued employment. F2 — grant of restricted stock units. F3 — the disposals are company withholding for taxes in connection with vesting; price is Nasdaq close on Oct 22, 2026.
• Filing timing: Form 4 filed Oct 26, 2026 reporting Oct 22, 2026 transactions (no late filing indicator shown).

Why it may matter

• The filing shows restricted stock units vested and the company withheld shares to satisfy tax withholding obligations (a cashless withholding), rather than an open-market sale by the insider.
• This was a vesting and tax-withholding event, not an options exercise or gift.
• A filing does not show why the insider traded or why the company acted.