gpi-20260714 0001031203 false 0001031203 2026-07-14 2026-07-14 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): July 14, 2026 Group 1 Automotive, Inc . (Exact name of Registrant as specified in its charter) Delaware 1-13461 76-0506313 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 730 Town and Country Blvd , Suite 500 Houston , Texas 77024 (Address of principal executive offices, including zip code) Registrant's telephone number, including area code ( 713 ) 647-5700 N/A (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 Instructions 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 Ticker symbol(s) Name of exchange on which registered Common stock, par value $0.01 per share GPI 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. ¨ Item 7.01     Regulation FD Disclosure. On July 14, 2026, Group 1 Automotive, Inc., a Delaware corporation, announced its plans to conduct a conference call on Thursday, July 30, 2026, at 10:00 a.m. ET, following the release of financial results for the second quarter ended June 30, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated in this Item 7.01 by reference. As provided in General Instruction B.2. of Form 8-K, the information in the press release attached as Exhibit 99.1 and incorporated by reference in this Item 7.01 shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. Item 9.01    Financial Statements and Exhibits. (d) Exhibits. Exhibit No. Description 99.1 Press release of Group 1 Automotive, Inc., dated as of  July 14, 2026. 104 Cover Page Interactive Data File (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, thereunto duly authorized. Group 1 Automotive, Inc. Date: July 15, 2026 By: /s/ Gillian A. Hobson Name: Gillian A. Hobson Title: Senior Vice President

Group 1 Automotive announced a conference call scheduled for July 30, 2026, to discuss second quarter 2026 financial results ending June 30, 2026. This is a routine earnings announcement that will provide stakeholders with performance metrics and strategic outlook.

On July 14, 2026, Group 1 Automotive, Inc. announced its plans to hold a conference call on July 30, 2026, at 10:00 a.m. ET, in connection with the financial results for the second quarter ending June 30, 2026. This call will provide insights into the company’s performance and outlook. The announcement was made via a press release, which is attached as Exhibit 99.1 to the filing. This event is significant for stakeholders as it will discuss critical financial metrics and future strategy, taking place shortly after the ending of the financial quarter.

Group 1 Automotive, Inc.

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