Data from SEC EDGARUpdated 11/5/26, 9:45 AM PT
glass cleaner

Costco insider filings, in plain English

All Trades

Form 4

Denman Kenneth D

Director

Filed
10/24/25
Trade dates
10/22/25
Period of report
10/22/25
10b5-1 box
Not checked
Accession number
0000909832-25-000111
Open on SEC

Table I: shares of stock

LineSecurityTrade dateSharesPriceValueOwned afterOwnershipNotes
GrantedLine 1 · code ACommon Stock10/22/25286Acquired$0— No price on filing5,988.936DirectF1, F2

Footnotes

  1. F1

    Grant of Restricted Stock Units. Vests one-third on October 22, 2025, and one-third annually on October 22 for the following two years.

  2. F2

    Not applicable. Grant of Restricted Stock Units.

Remarks

Exhibit 24: Power of Attorney provided herewith.