Data from SEC EDGARUpdated 11/5/26, 9:45 AM PT
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Costco insider filings, in plain English

All Trades

Form 4

Vachris Roland Michael

Director · Officer (President and CEO)

Filed
10/26/26
Trade dates
10/22/26
Period of report
10/22/26
10b5-1 box
Not checked
Accession number
0000909832-26-000124

Table I: shares of stock

LineSecurityTrade dateSharesPriceValueOwned afterOwnershipNotes
GrantedLine 1 · code ACommon Stock10/22/2613,973Acquired$0— No price on filing66,231.058DirectF1, F2
Withheld for taxesLine 2 · code FCommon Stock10/22/261,403.592Disposed$1,018.21$1,429,151.4164,827.466DirectF3
Withheld for taxesLine 3 · code FCommon Stock10/22/261,120.544Disposed$1,018.21$1,140,949.1163,706.922DirectF3
Withheld for taxesLine 4 · code FCommon Stock10/22/261,131.478Disposed$1,018.21$1,152,082.2162,575.444DirectF3

Footnotes

  1. F1

    Grant was initially made on October 22, 2025, subject to performance conditions concerning fiscal 2026, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The earned awards vest 20% on the first anniversary of the grant date and an additional 20% vest over each of the ensuing four years based on continued employment with the Company.

  2. F2

    Not applicable. Grant of Restricted Stock Units.

  3. F3

    This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on Nasdaq on October 22, 2026.