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( Mark One ) X UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 2 , 2021 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission file number 1-10658 Micron Delaware ( State or other jurisdiction of incorporation or organization ) 8000 S. Federal Way , Boise , Idaho ( Address of principal executive offices ) Registrant's telephone number , including area code X Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common Stock , par value $ 0.10 per share Large Accelerated Filer Micron Technology , Inc. ( Exact name of registrant as specified in its charter ) Trading Symbol to Accelerated Filer 75-1618004 MU Securities registered pursuant 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 . Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Indicate by 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 of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . ( IRS Employer Identification No. ) Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( § 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Non - Accelerated Filer 83716-9632 ( Zip Code ) ( 208 ) 368-4000 Name of each exchange on which registered Nasdaq Global Select Market Yes > No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Yes > Yes Smaller Reporting Company Yes > No No 区 No If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . Emerging Growth Company Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . X Yes No 区 The aggregate market value of the voting and non - voting common equity held by non - affiliates was $ 79.9 billion based on the closing price reported on the Nasdaq Global Select Market on March 4 , 2021. Shares of common stock held by each executive officer and director and by each person who owns 5 % or more of the outstanding common stock were excluded as they may be deemed to be affiliates . This determination of affiliate status is not necessarily a conclusive determination for other purposes . The number of outstanding shares of the registrant's common stock as of October 1 , 2021 was 1,118,623,738 . DOCUMENTS INCORPORATED BY REFERENCE Portions of the Proxy Statement for the registrant's Fiscal 2021 Annual Meeting of Shareholders to be held on January 13 , 2022 are incorporated by reference into Part II and Part III of this Annual Report on Form 10 - K .