Results of Operations and Financial Conditions. On November 4, 2026, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the third quarter ended September 27, 2026. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

COO — Caroline O'Mahony Baker: The filing announces the internal promotion of a long-tenured executive to the Chief Operating Officer role, which is a positive signal of stability and trust rather than a departure.

Results of Operations and Financial Conditions. On August 5, 2026, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the second quarter ended June 28, 2026. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

Changes in Registrant’s Certifying Accountant (a) Dismissal of Independent Registered Public Accounting Firm ​ On June 30, 2026, the Audit Committee of the Board of Directors (the “Audit Committee”) of The ONE Group Hospitality, Inc. (the “Company”), after conducting a competitive process to evaluate and select the Company’s independent registered public accounting firm for the fiscal year ending December 27, 2026, approved the dismissal of Deloitte & Touche LLP (“Deloitte”) as the Company’s…

Results of Operations and Financial Conditions. On May 6, 2026, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the first quarter ended March 29, 2026. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

Results of Operations and Financial Conditions. On March 13, 2026, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the fourth quarter and fiscal year ended December 28, 2025. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

Results of Operations and Financial Condition On January 12, 2026, The ONE Group Hospitality, Inc. (the “Company” or “The ONE Group”) issued a press release announcing its preliminary fourth quarter and full year 2025 sales results. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​ ​

Other Events ​ On December 29, 2025, the Company issued a press release providing a development update, including: the Company entering into a development agreement securing development rights for a total of ten restaurants, either Benihana or Benihana Express locations, throughout the Greater San Francisco Bay Area with an experienced operator, which would be a combination of franchised, licensed and joint venture locations; renewal of the Benihana concession agreement at the Mortgage Matchu…

CEO — Emanuel Hilario: The CEO's employment agreement was amended to extend the term, provide a special bonus, and increase his target annual bonus and long-term incentive grant.

Results of Operations and Financial Conditions. On November 6, 2025, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the third quarter ended September 28, 2025. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

Chief Financial Officer — Tyler Loy and Nicole Thaung: Tyler Loy resigned as CFO to pursue other opportunities, and Nicole Thaung was appointed as the new CFO.

Results of Operations and Financial Conditions. On August 5, 2025, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the second quarter ended June 29, 2025. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

Results of Operations and Financial Conditions. On May 7, 2025, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the first quarter ended March 30, 2025. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

Results of Operations and Financial Conditions. On March 10, 2025, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the fourth quarter and fiscal year ended December 31, 2024. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

Results of Operations and Financial Condition On January 13, 2025, The ONE Group Hospitality, Inc. (the “Company”) issued a press release announcing its preliminary sales results for its fiscal fourth quarter and full year ended December 31, 2024. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities…

Results of Operations and Financial Conditions. On November 7, 2024, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the third quarter ended September 30, 2024. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

Results of Operations and Financial Conditions. On August 6, 2024, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the second quarter ended June 30, 2024. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

Completion of Acquisition or Disposition of Assets. On May 1, 2024, The ONE Group Hospitality, Inc. (the “Company”) filed a current report on Form 8-K reporting the completion of its acquisition of 100% of the issued and outstanding equity interests of Safflower Holdings Corp. from Safflower Holdings LLC, for $365.0 million in cash, subject to customary adjustments for pre-closing estimates for indebtedness, cash, net working capital and seller transaction expenses. Safflower Holdings Corp. b…

Results of Operations and Financial Conditions. On May 7, 2024, The ONE Group Hospitality, Inc. issued a press release announcing financial results for the first quarter ended March 31, 2024. The full text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. ​

Completion of Acquisition or Disposition of Assets. ​ On the Closing Date, the Company acquired 100% of the issued and outstanding equity interests of Safflower Holdings Corp. from Safflower Holdings LLC, for $365.0 million in cash, subject to customary adjustments for indebtedness, cash, net working capital and seller transaction expenses (the “Acquisition”). Safflower Holdings Corp. beneficially owns most of the Benihana restaurants, as well as all of the RA Sushi restaurants, in the United…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The disclosures under

Entry into a Material Definitive Agreement ​ Credit Agreement. On May 1, 2024 (the “Closing Date”), The ONE Group Hospitality, Inc. (the “Company”), The ONE Group, LLC, a wholly owned subsidiary of the Company, and certain other operating subsidiaries of the Company entered into a Credit Agreement (“Credit Agreement”) with Deutsche Bank AG New York Branch, HPS Investment Partners, LLC, HG Vora Capital Management, LLC and certain of their respective affiliates and subsidiaries (collectively, t…

Director — James Chambers and Scott Ross: Appointment of new directors as part of an acquisition.

Unregistered Sales of Equity Securities. On the Closing Date, pursuant to the Investment Agreement, the Company sold and issued to (a) HPC III Kaizen LP, for $150 million cash, subject to a 5% original issuance discount, 150 shares of Preferred Stock (as defined below) in book-entry form, a warrant to purchase 1,786,582 shares of Common Stock of the Company for an exercise price of $0.01 per share, and a warrant to purchase 1,000,000 shares of Common Stock of the Company for an exercise price…

The filing describes equity grants to executives and other employees as part of the company's compensation program.