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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 December 31 , 2020 OR □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Delaware ( State or Other Jurisdiction of Incorporation or Organization ) Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Commission file number 1-11840 THE ALLSTATE CORPORATION ( Exact name of registrant as specified in its charter ) Common Stock , par value $ 0.01 per share 5.100 % Fixed - to - Floating Rate Subordinated Debentures due 2053 Depositary Shares represent 1 / 1,000th of a share of 5.625 % Noncumulative Preferred Stock , Series G Depositary Shares represent 1 / 1,000th of a share of 5.100 % Noncumulative Preferred Stock , Series H ☐ Allstate . You're in good hands . 2775 Sanders Road , Northbrook , Illinois 60062 ( Address of principal executive offices ) ( Zip Code ) Registrant's telephone number , including area code : ( 847 ) 402-5000 Depositary Shares represent 1 / 1,000th of a share of 4.750 % Noncumulative Preferred Stock , Series I to Trading Symbols ALL ALL.PR.B ALL PR G ALL PR H ALL PRI 36-3871531 ( I.R.S. Employer Identification No. ) Name of each exchange on which registered New York Stock Exchange Chicago 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 Act : None Yes > No Indicate by 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 . Yes 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 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 > No 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 reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Large accelerated filer Non - accelerated filer 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 The aggregate market value of the common stock held by non - affiliates of the registrant , computed by reference to the closing price as of the last business day of the registrant's most recently completed second fiscal quarter , June 30 , 2020 , was approximately $ 29.94 billion . As of January 29 , 2021 , the registrant had 302,873,426 shares of common stock outstanding . Documents Incorporated By Reference Portions of the following documents are incorporated herein by reference as follows : Part III of this Form 10 - K incorporates by reference certain information from the registrant's definitive proxy statement for its annual stockholders meeting to be held on May 25 , 2021 , ( the " Proxy Statement " ) to be filed not later than 120 days after the end of the fiscal year covered by this Form 10 - K .