Costco Wholesale Corporation (COST)
Nasdaq: COST · Retail-Variety Stores · Issaquah, WA · filing with the SEC since 1994
Grade5.5
◀ Past 6.3● Present 5.4▶ Future 4.8
Filings
259 filings since 2017 beside 722 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026Due nextLarge accelerated filer
10-Q
Quarterly report for the quarter ending Nov 30, 2026Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end.
by Jan 9, 2027
10-K
Annual report for the fiscal year ending Aug 30, 2027Large accelerated filers have 60 days after the fiscal year ends.
by Oct 29, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 25 days after the quarter ended. The proxy statement was last filed Dec 4, 2025.
Filings a yearinsider forms included
88966881911269682
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 10 times in the last 36 months, the newest Nov 10, 2026.SEC letters: 10 in the last 36 months, the newest Mar 26, 2026.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Nov 10, 2026
8-K items 5.02, 8.01, 9.01
Officer or director change; Other event · Current report
Nov 7, 2026
40 of 259 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.