UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-KCURRENT REPORTPursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934Date of Report (Date of earliest event reported)    October 21, 2024CNA FINANCIAL CORPORATION(Exact name of registrant as specified in its charter)Delaware1-582336-6169860(State or other jurisdiction(Commission(IRS Employerof incorporation)File Number)Identification No.)151 N. FranklinChicago, IL60606(Address of principal executive offices) (Zip Code)(312) 822-5000(Registrant's telephone number, including area code)     NOT APPLICABLE(Former name or former address, if changed since last report.)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):☐ 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 classTrading Symbol(s)Name of each exchange on which registeredCommon Stock, Par value $2.50"CNA"New York Stock ExchangeChicago Stock ExchangeIndicate 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. ☐ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION.On October 21, 2024, the registrant issued a press release announcing its preliminary third quarter 2024 pretax net catastrophe loss estimates and fourth quarter 2024 pretax net catastrophe loss estimates for Hurricane Milton.  A copy of the press release is attached as Exhibit 99.1 and is incorporated by reference herein.  The information under Item 2.02 and in Exhibit 99.1 in this Current Report is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section.  The information under Item 2.02 and in Exhibit 99.1 in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.(d) Exhibits:See Exhibit Index.EXHIBIT INDEXExhibit No.Description99.1CNA Financial Corporation press release, issued October 21, 2024, providing preliminary information on the third quarter 2024 results of operations.104Cover Page Interactive Data File (embedded within the Inline XBRL document)SIGNATURESPursuant 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.CNA Financial Corporation(Registrant)Date:  October 21, 2024By/s/ Scott R. Lindquist(Signature)Scott R. LindquistExecutive Vice President andChief Financial Officer