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( Mark One ) ☐ 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 December 31 , 2020 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from or to Commission file number 001-13958 THE HARTFORD FINANCIAL SERVICES GROUP , INC . ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) THE HARTFORD Title of each class Common Stock , par value $ 0.01 per share 6.10 % Notes due October 1 , 2041 One Hartford Plaza , Hartford , Connecticut 06155 ( Address of principal executive offices ) ( Zip Code ) ( 860 ) 547-5000 ( Registrant's telephone number , including area code ) SECURITIES REGISTERED PURSUANT TO SECTION 12 ( b ) OF THE ACT : 13-3317783 7.875 % Fixed - to - Floating Rate Junior Subordinated Debentures due 2042 Depositary Shares , Each Representing a 1 / 1,000th Interest in a Share of 6.000 % Non - Cumulative Preferred Stock , Series G , par value $ 0.01 per share ( I.R.S. Employer Identification No. ) Trading Symbol ( s ) HIG Name of each exchange on which registered The New York Stock Exchange HIG 41 The New York Stock Exchange HGH The New York Stock Exchange HIG PR G The New York Stock Exchange SECURITIES REGISTERED PURSUANT TO SECTION 12 ( g ) OF THE ACT : None