ALL: 10-Q financial filing

all-20260930 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2026 OR ☐ 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 1-11840 THE ALLSTATE CORP ORATION (Exact name of registrant as specified in its charter) Delaware 36-3871531 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 3100 Sanders Road , Northbrook , Illinois 60062 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code: ( 847 ) 402-2800 Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbols Name of each exchange on which registered Common Stock, par value $.01 per share ALL New York Stock Exchange NYSE Texas 5.100% Fixed-to-Floating Rate Subordinated Debentures due 2053 ALL.PR.B New York Stock Exchange Depositary Shares represent 1/1,000th of a share of 5.100% Noncumulative Preferred Stock, Series H ALL PR H New York Stock Exchange Depositary Shares represent 1/1,000th of a share of 4.750% Noncumulative Preferred Stock, Series I ALL PR I New York Stock Exchange Depositary Shares represent 1/1,000th of a share of 7.375% Noncumulative Preferred Stock, Series J ALL PR J New York Stock Exchange 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 requ