Company Update

UNITED STATES SECURITIES AND   EXCHANGE COMMISSION WASHINGTON, DC 20549   FORM 8-K     CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act   Date of Report (Date of Earliest Event   Reported): June 1, 2021   Cal-Maine Foods, Inc. (Exact name of registrant as specified   in its charter)   Delaware 001-38695 64-0500378 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)     1052 Highland Colony Pkwy , Suite 200   Ridgeland , MS 39157 (Address of principal executive offices   (zip code))   601 - 948-6813 (Registrant’s telephone number, including   area code)   Check the appropriate box below if the Form   8-K filing is intended to simultaneously   satisfy the filing obligation of the registrant under any of the following   provisions (see General Instruction   A.2 below):   ☐   Written communications pursuant   to Rule 425 under the Securities   Act (17 CFR 230.425)     ☐   Soliciting material pursuant to   Rule 14a-12 under the Exchange   Act (17 CFR 240.14a-12) ☐   Pre-commencement communications   pursuant to Rule 14d-2(b) under   the Exchange Act (17   CFR 240.14d-2(b)) ☐   Pre-commencement communications   pursuant to Rule 13e-4(c) under the   Exchange Act (17 CFR   240.13e-4(c))   Securities registered pursuant to Section 12(b) of the   Act:   Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share CALM The NASDAQ   Global Select Market     Indicate by check mark whether   the registrant is an emerging growth   company as defined in Rule 405 of   the Securities Act of 1933 (§230.405 of this chapter) or Rule   12b-2 of the Securities Exchange   Act of 1934 (§240.12b-2 of this   chapter).     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. ☐           Item 8.01.   Other Events   On June   1,   2021,   Cal-Maine   Foods,   Inc.   (the   “Company”) issued   a   press   release   announcing   it   has   closed   the previously announced to   acquisition to   acquire Rose   Acre Farms, Inc.’s   50% membership   interest in Red   River Valley Egg Farm, LLC. The acquisition will bring   the Company’s total ownership to 100%.   A copy of   the Company’s press release is attached hereto as Exhibit 99.1 to this Current Report.   Item 9.01.   Financial Statements and Exhibits   (d)   Exhibits Exhibit Number Description 99.1 Press Release issued by the Company on June   1, 2021 104 Cover Page Interactive Data File, (embedded   within the Inline XBRL   document)   SIGNATURES   Pursuant to the requirements for the Securities   Exchange Act   of 1934, the registrant has duly caused   this report to be signed on its behalf by the undersigned hereunto duly   authorized.           CAL-MAINE FOODS, INC. Date: June 1, 2021 By:   /s/ Max P. Bowman   Max P. Bowman   Director, Vice President, and Chief   Financial Officer