Form 8-K

8-K — AUTONATION, INC.

Accession: 0001628280-26-066051

Filed: 2026-10-16

Period: 2026-10-13

CIK: 0000350698

SIC: 5500 (RETAIL-AUTO DEALERS & GASOLINE STATIONS)

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — an-20261013.htm (Primary)

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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)

Delaware 1-13107 73-1105145

(State or other jurisdiction

of incorporation) (Commission

File Number) (IRS Employer

Identification No.)

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):

☐ 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 Symbol(s) Name of each exchange on which registered

Common stock, par value $0.01 per share AN New York Stock Exchange

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

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

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.

Item 7.01 Regulation FD Disclosure.

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.

Item 9.01 Financial Statements and Exhibits.

(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.

AUTONATION, INC.

Date: October 16, 2026 By: /s/ C. Coleman Edmunds

C. Coleman Edmunds

Executive Vice President, General Counsel and Corporate Secretary

EX-99.1 — EX-99.1 PRESS RELEASE

EX-99.1

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Document

Exhibit 99.1

Contact: Lisa Rhodes Ryans

(954) 769-4120

publicrelations@autonation.com

Investor Contact: Derek Fiebig

(954) 769-2227

fiebigd@autonation.com

AutoNation Appoints Mark Stewart to Board of Directors

FORT LAUDERDALE, Fla., October 16, 2026 — AutoNation, Inc. (NYSE: AN), one of the largest automotive retailers in the United States, today announced the appointment of Mark Stewart to its Board of Directors as an independent director.

“Mark is a proven global leader with deep experience across the automotive, manufacturing, technology, and consumer sectors,” said Rick Burdick, Chairman of the AutoNation Board of Directors. “His strategic perspective, operational discipline, and track record of leading complex organizations through transformation will strengthen the Board as we continue to advance AutoNation’s strategy and deliver long-term value for our shareholders.”

Mr. Stewart has served as Chief Executive Officer and President of The Goodyear Tire & Rubber Company and as a member of its Board of Directors since January 2024. Before joining Goodyear, Mr. Stewart served as Chief Operating Officer of North America for Stellantis and as a member of its Group Executive Council, leading a business with more than 88,000 employees and over $90 billion in revenue. He previously served as Vice President, Customer Fulfillment, at Amazon and held senior leadership roles at ZF TRW Automotive, TRW, and Tower Automotive. Throughout his career, he has led large-scale operations across the United States, Europe, and Asia.

Mr. Stewart earned a bachelor’s degree in electrical and electronics engineering from Vanderbilt University and an MBA from the University of Tennessee, Knoxville. He is a member of Business Roundtable and previously served on the Board of Directors of the Auto Alliance.

About AutoNation, Inc.

AutoNation, one of the largest automotive retailers in the United States, offers innovative products and exceptional services as part of a portfolio of comprehensive solutions for our customers and their automotive needs. With a nationwide network of dealerships strengthened by a recognized brand, we offer a wide variety of new and used vehicles, customer financing, parts, and expert maintenance and repair services. Through DRV PNK, we have raised and donated over $50 million for cancer-related causes, demonstrating our commitment to making a positive difference in the lives of our Associates, Customers, and the communities we serve.

Please visit www.autonation.com, investors.autonation.com, newsroom.autonation.com, and www.x.com/autonation, where AutoNation discloses additional information about the Company, its business, and its results of operations.

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