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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 January 2 , 2021 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For The Transition Period From To Commission file number 1-4171 Kellogg Company ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of Incorporation or organization ) Securities registered pursuant to Section 12 ( b ) of the Securities Act : Title of each class : Common Stock , $ .25 par value per share 1.750 % Senior Notes due 2021 0.800 % Senior Notes due 2022 1.000 % Senior Notes due 2024 1.250 % Senior Notes due 2025 One Kellogg Square Battle Creek , Michigan 49016-3599 ( Address of Principal Executive Offices ) Registrant's telephone number : ( 269 ) 961-2000 Trading symbol ( s ) : K K 21 K 22A K 24 K 25 38-0710690 ( I.R.S. Employer Identification No. ) Name of each exchange on which registered : New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange Securities registered pursuant to Section 12 ( g ) of the Securities Act : None Yes □ Indicate by a 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 . Note Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15 ( d ) of the Exchange Act from their obligations under those Sections . Yes No 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 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 during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes