ALL: Company disclosure

Item 7.01. Regulation FD Disclosure The Registrant’s September 2026 monthly release announcing estimated catastrophe losses is posted on allstateinvestors.com and attached hereto as Exhibit 99 which is incorporated herein by reference. This exhibit is furnished and not filed, pursuant to Instruction B.2 of Form 8-K. Section 9 – Financial Statements and Exhibits Item 9.01. Financial Statements and Exhibits (d) Exhibits Exhibit No. Description 99 The Registrant’s press release dated October 15, 2026 104 Cover Page Interactive Data File (formatted as inline XBRL) 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. THE ALLSTATE CORPORATION (Registrant) By: /s/ Eric K. Ferren Name: Eric K. Ferren Title: Senior Vice President, Controller and Chief Accounting Officer Date: Oct. 15, 2026 3