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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Form 10 - K ( Mark One ) > ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 . For the fiscal year ended March 31 , 2021 □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 . For the transition period from State or other jurisdiction of incorporation or organization Nevada Item 1 . Item 1A . Item 1B . Item 2 . Business Risk Factors or Commission File Number 001-11255 Registrant , State of Incorporation Address and Telephone Number to AMERCO Unresolved Staff Comments Properties AMERCO Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common stock , $ 0.25 par value 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 . 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 Securities Act . Yes No > 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 . Yes No ( A Nevada Corporation ) 5555 Kietzke Lane , Ste . 100 Reno , Nevada 89511 Telephone ( 775 ) 688-6300 UHAL 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 ) . Yes > No Trading Symbol Name of each exchange on which registered NASDAQ Global Select Market 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 . Large Accelerated Filer > Accelerated Filer Non - accelerated Filer Smaller Reporting Company O Emerging Growth Company o 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 . I.R.S. Employer Identification No. 88-0106815 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 Act ) . Yes No The aggregate market value of AMERCO common stock held by non - affiliates on September 30 , 2020 was $ 3,206,757,547 . The aggregate market value was computed using the closing price for the common stock trading on NASDAQ on such date . Shares held by executive officers , directors and persons owning directly or indirectly more than 5 % of the outstanding common stock have been excluded from the preceding number because such persons may be deemed to be affiliates of the registrant . This determination of affiliate status is not necessarily a conclusive determination for other purposes . 19,607,788 shares of AMERCO Common Stock , $ 0.25 par value , were outstanding at May 21 , 2021 . Documents incorporated by reference : portions of AMERCO's definitive proxy statement for the 2021 annual meeting of stockholders , to be filed within 120 days after AMERCO's fiscal year ended March 31 , 2021 , are incorporated by reference into Part III of this report . TABLE OF CONTENTS PARTI Page 1 7 14 14