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Costco Wholesale Corp

Mary Agnes Wilderotter (Director) reports COST insider transactions

4COSTFiled Oct 26, 2026, 9:28 PM ET· Period Oct 22, 2026

AI-generated summary

Director Mary Agnes Wilderotter received 266 shares as a grant of common stock on October 22, 2026. Following this transaction, she directly held 8,526.936 shares. The grant was not made under a Rule 10b5-1 trading plan.

Key facts

Insider
Mary Agnes Wilderotter · Director
DateTransactionSharesPriceValueHeld afterOwnership
Oct 22, 2026A · grantFootnotes F1, F2, F3+266$0.00$0.008,526.936Direct
Footnotes
  1. F1 Grant of Restricted Stock Units. Vests one-third on October 22, 2027, and one-third on October 22 for the following two years.
  2. F2 Not applicable. Grant of Restricted Stock Units.
  3. F3 On July 21, 2026, 5,056 shares of Costco common stock were distributed to the reporting person in payment of an annuity from a grantor retained annuity trust (GRAT-1) of which she is the sole grantor, trustee and annuity beneficiary.

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Not investment advice. Summaries can contain errors; the SEC filing is the official record.