Costco Wholesale Corporation /new

COST·NASDAQ·$1002.93Share Price as of 11/2·$445BMarket Cap as of 11/2

Financials

10-KFY 202610/07/26 10-QQ3 ended 05/10/2606/03/26 10-QQ2 ended 02/15/2603/11/26 10-QQ1 ended 11/23/2512/17/25 10-KFY 202510/08/25

Disclosures

8-KCurrent report10/16/26 8-KCurrent report10/14/26 8-KCurrent report09/24/26 8-KCurrent report07/08/26 8-KCurrent report05/28/26

Prospectuses and Registrations

S-3ASRAutomatic shelf registration06/03/26 S-8Registration of securities for employees01/19/24 S-3ASRAutomatic shelf registration06/01/23 S-8Registration of securities for employees12/16/20 424B5Prospectus supplement04/17/20

Proxies

DEF 14ADefinitive proxy12/04/25 DEFA14AAdditional proxy materials12/04/25 PX14A6GLetter to shareholders01/17/25 PX14A6GLetter to shareholders01/17/25 DEF 14ADefinitive proxy12/11/24

Ownership

Form 4Insider transaction10/27/26 Form 4Insider transaction10/27/26 Form 4Insider transaction10/27/26 Form 4Insider transaction10/26/26 Form 4Insider transaction10/26/26

Other

11-KEmployee stock purchase plan report06/29/26 SDConflict Minerals disclosure05/29/26 UPLOADLetter from the SEC03/26/26 CORRESPCorrespondence with the SEC03/23/26 UPLOADLetter from the SEC03/04/26