Executive Change · Reg FD Disclosure

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 January 18, 2024 ( January 11, 2024 ) (Date of report; date of earliest event reported) Commission file number: 1-3754     Ally Financial Inc. (Exact name of registrant as specified in its charter)       Delaware   38-0572512 (State or other jurisdiction of incorporation or organization)   (I.R.S. Employer Identification No.) Ally Detroit Center 500 Woodward Avenue , Floor 10 Detroit , Michigan 48226 (Address of principal executive offices) (Zip Code) ( 866 ) 710-4623 (Registrant’s telephone number, including area code)     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 class   Trading symbols   Name of each exchange on which registered Common Stock, par value $0.01 per share   ALLY   NYSE Indicate 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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On January 11, 2024, the Ally Financial Inc. Board of Directors appointed Douglas R. Timmerman as Interim Chief Executive Officer ( CEO ) effective as of February 1, 2024. Mr. Timmerman will also serve as the Interim CEO of Ally Bank. Biographical information about Mr. Timmerman is set forth in Ally’s Annual Report on Form 10-K for the year ended December 31, 2022, as filed with the Securities and Exchange Commission on February 24, 2023, which is incorporated here by reference.   Item 7.01 Regulation FD Disclosure. On January 12, 2024, Ally issued a press release with the announcement described in Item 5.02. A copy of the press release is attached as Exhibit 99.1 and is incorporated by reference. The information in this Item 7.01 and Exhibit 99.1 is being furnished and is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section.   Item 9.01 Financial Statements and Exhibits.   Exhibit No.    Description of Exhibits 99.1    Press Release, dated January 12, 2024 104    The cover page from this Current Report on Form 8-K, formatted in Inline XBRL 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.     Ally Financial Inc.         (Registrant) Date: January 18, 2024   By:   /s/ Jeffrey A. Belisle   Name:   Jeffrey A. Belisle   Title:   Corporate Secretary