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Table of Contents ✓ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , DC 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 May 29 , 2021 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Delaware to Commission file number : 001-38695 CAL - MAINE FOODS , INC . ( Exact name of registrant as specified in its charter ) ( State or other Jurisdiction of Incorporation or Organization ) 64-0500378 ( I.R.S. Employer Identification No. ) 1052 Highland Colony Pkwy , Suite 200 , Ridgeland , Mississippi 39157 ( Address of principal executive offices ) ( Zip Code ) ( 601 ) 948-6813 ( Registrant's telephone number , including area code ) Title of each class : Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) CALM Common Stock , $ 0.01 par value per share Securities registered pursuant to Section 12 ( g ) of the Act : NONE Name of each exchange on which registered : The NASDAQ Global Select Market 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 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☐ 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 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 Non - accelerated filer ✓ ㅁ Accelerated filer Smaller reporting company Emerging growth company 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 ☐ ☐ ☐ 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 ) ofthe 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 , as reported by The NASDAQ Global Select Market , of the registrant's Common Stock , $ 0.01 par value , held by non - affiliates at November 28 , 2020 , which was the date of the last business day of the registrant's most recently completed second fiscal quarter , was $ 1,512,923,967 . As of July 19 , 2021 , 44,058,463 shares of the registrant's Common Stock , $ 0.01 par value , and 4,800,000 shares of the registrant's Class A Common Stock , $ 0.01 par value , were outstanding . DOCUMENTS INCORPORATED BY REFERENCE The information called for by Part III of this Form 10 - K is incorporated herein by reference from the registrant's Definitive Proxy Statement for its 2021 annual meeting of stockholders which will be filed pursuant to Regulation 14A not later than 120 days after the end of the fiscal year covered by this report . 1