Data from SEC EDGARUpdated 11/5/26, 10:33 AM PT
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Costco insider filings, in plain English

All Trades

Form 3

Wilcox William Richard

Executive Vice President

Filed
10/9/25
Trade dates
None (holdings only)
Period of report
10/6/25
10b5-1 box
Not on this form version
Accession number
0000909832-25-000103

Table I: shares of stock

LineSecurityTrade dateSharesPriceValueOwned afterOwnershipNotes
HoldsLine 1Indirect · By 401(k)Common Stock————4,400.9692Indirect: By 401(k)—

Remarks

Exhibit 24: Power of Attorney provided herewith.