AutoNation 董事会规模扩大并任命 Mark Stewart 为新董事

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 13, 2026  

AUTONATION, INC.

(Exact name of registrant as specified in its charter)

200 SW 1st Ave

Fort Lauderdale, Florida 33301

(Address of principal executive offices, including zip code)

Registrant's telephone number, including area code (954) 769-6000

(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):

Securities registered pursuant to Section 12(b) of the Act:

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. o

On October 13, 2026, the Board of Directors (the “Board”) of AutoNation, Inc. (the “Company”) increased the size of the Board to ten directors and appointed Mark Stewart as a member of the Board, effective immediately. The Board determined that Mr. Stewart qualifies as independent under the director independence standards set forth in the Company’s Corporate Governance Guidelines and the applicable listing standards of the New York Stock Exchange.

Mr. Stewart will participate in the Company’s non-employee director compensation program, pursuant to which he will receive an annual Board retainer of $50,000 for service on the Board. For 2026, the Board retainer will be prorated based on time served during the year. Mr. Stewart will also be entitled to receive expense reimbursement in connection with meeting attendance. As a non-employee director, he will be eligible to receive equity awards in the future under the AutoNation, Inc. 2024 Non-Employee Director Equity Plan.

On October 16, 2026, the Company issued a press release announcing Mr. Stewart’s appointment as a member of the Board. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

The information furnished pursuant to this Item 7.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

(d) Exhibits

99.1    Press Release of AutoNation, Inc. dated October 16, 2026, announcing the appointment of Mark Stewart as a member of AutoNation’s Board of Directors.

104        Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

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.