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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 8 - K CURRENT REPORT Pursuant to Section 13 or 15 ( d ) of The Securities Exchange Act of 1934 April 27 , 2021 Date of Report ( Date of earliest event reported ) CAPITAL ONE FINANCIAL CORPORATION ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation ) 1680 Capital One Drive , McLean , Virginia ( Address of principal executive offices ) 001-13300 ( Commission File Number ) Registrant's telephone number , including area code : ( 703 ) 720-1000 ( Not applicable ) ( Former name or former address , if changed since last report ) 54-1719854 ( IRS Employer Identification No. ) 22102 ( Zip 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 ) : ㅁㅁㅁㅁ 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 Common Stock ( par value $ .01 per share ) Depositary Shares , Each Representing a 1 / 40th Interest in a Share of Fixed Rate Non - Cumulative Perpetual Preferred Stock , Series G Depositary Shares , Each Representing a 1 / 40th Interest in a Share of Fixed Rate Non - Cumulative Perpetual Preferred Stock , Series H Depositary Shares , Each Representing a 1 / 40th Interest in a Share of Fixed Rate Non - Cumulative Perpetual Preferred Stock , Series I Depositary Shares , Each Representing a 1 / 40th Interest in a Share of Fixed Rate Non - Cumulative Perpetual Preferred Stock , Series J Depositary Shares , Each Representing a 1 / 40th Interest in a Share of Fixed Rate Non - Cumulative Perpetual Preferred Stock , Series K Trading Symbol ( s ) COF COF PRG COF PRH COF PRI COF PRJ COF PRK 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 New York Stock Exchange 0.800 % Senior Notes Due 2024 1.650 % Senior Notes Due 2029 New York Stock Exchange New York Stock Exchange COF24 COF29 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 .