Bylaw Amendment

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 Date of Report (Date of earliest event reported) October 25, 2017 CNA FINANCIAL CORPORATION (Exact name of registrant as specified in its charter) Delaware   1-5823   36-6169860 (State or other jurisdiction   (Commission   (IRS Employer of incorporation)   File Number)   Identification No.) 333 S. Wabash, Chicago, Illinois   60604 (Address of principal executive offices)   (Zip Code) Registrant's telephone number, including area code (312) 822-5000 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)) ITEM 5.03 AMENDMENTS TO ARTICLES OF INCORPORATION OR BYLAWS; CHANGE IN FISCAL YEAR. On October 25, 2017, the Board of Directors of registrant adopted and approved amended and restated By-Laws of registrant, which incorporate expanded advance notice requirements and an exclusive forum provision, in addition to other non-substantive changes. The Amended and Restated By-Laws are filed as Exhibit 3.1 to this Form 8-K. ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS (d) Exhibits Exhibit No.   Description       3.1   By-Laws of CNA Financial Corporation, as amended October 25, 2017. 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.     CNA Financial Corporation     (Registrant)       Date:  October 25, 2017 By /s/ Stathy Darcy     (Signature)     Stathy Darcy Senior Vice President, Deputy General Counsel & Secretary