1、Table of ContentsUNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549 FORM 10-KANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIESEXCHANGE ACT OF 1934For the fiscal year ended August 31,2025orTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIESEXCHANGE ACT OF

2、1934Commission file number 0-20355Costco Wholesale Corporation(Exact name of registrant as specified in its charter)Washington 91-1223280(State or other jurisdiction ofincorporation or organization)(I.R.S.Employer Identification No.)999 Lake Drive,Issaquah,WA 98027(Address of principal executive off

3、ices)(Zip Code)Registrants telephone number,including area code:(425)313-8100Securities registered pursuant to Section 12(b)of the Act:Title of each classTrading SymbolName of each exchange onwhich registeredCommon Stock,$.005 Par ValueCOSTThe NASDAQ Global Select MarketSecurities registered pursuan

4、t to Section 12(g)of the Act:None Indicate by check mark if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities Act.Yes No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d)of the Act.Yes No Indicate by

5、 check mark whether the registrant(1)has filed all reports required to be filed by Section 13 or 15(d)of the Securities Exchange Act of1934 during the preceding 12 months(or for such shorter period that the registrant was required to file such reports),and(2)has been subject tosuch filing requiremen

6、ts for the past 90 days.Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T(232.405 of this chapter)during the preceding 12 months(or for such shorter period that the registrant w