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/A · Amendment

Self Adam Webb

Executive Vice President

Filed
9/30/26
Trade dates
None (holdings only)
Period of report
8/31/26
10b5-1 box
Not on this form version
Accession number
0000909832-26-000086

This amends the Form 3 filed 9/10/26. Lines it restates replace the matching lines there; the rest of that filing stands.

Table I: shares of stock

LineSecurityTrade dateSharesPriceValueOwned afterOwnershipNotes
HoldsLine 1AmendedCommon Stock————3,529.352DirectF1

Footnotes

  1. F1

    2.52 shares were inadvertently omitted from the reporting person's Form 3 filed on September 10, 2026.