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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31 , 2020 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 FORM 10 - K For the transition period from Delaware ( State or other jurisdiction of incorporation or organization ) Title of each class Common Stock , par value $ 0.01 per share to Commission file number 001-32327 The Mosaic Company ( Exact name of registrant as specified in its charter ) 101 East Kennedy Blvd Suite 2500 20-1026454 ( I.R.S. Employer Identification No. ) Tampa , Florida 33602 ( 800 ) 918-8270 ( Address and zip code of principal executive offices and registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading symbol MOS Name of each exchange on which registered New York Stock Exchange No □ No 区 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 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 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 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 > 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 reporti company " , and " emerging owth company " in Rule 12b - 2 of the Exchange Act . ( Check one ) : Large accelerated filer » Accelerated filer Non - 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 ) 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 ) . Yes □ No 区 As of June 30 , 2020 , the aggregate market value of the registrant's voting common stock held by stockholders , other than directors , executive officers , subsidiaries of the Registrant and any other person known by the Registrant as of the date hereof to beneficially own ten percent or more of any class of Registrant's outstanding voting common stock , and consisting of shares of Common Stock , was approximately $ 4.7 billion based upon the closing price of a share of Common Stock on the New York Stock Exchange on that date . Indicate the number of shares outstanding of each of the registrant's classes of common stock : 379,093,342 shares of Common Stock as of February 12 , 2021 . DOCUMENTS INCORPORATED BY REFERENCE 1. Portions of the registrant's definitive proxy statement to be delivered in conjunction with the 2021 Annual Meeting of Stockholders ( Part III )