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    MAIA Biotechnology Inc. filed SEC Form 8-K: Regulation FD Disclosure, Other Events, Financial Statements and Exhibits

    10/23/25 9:15:34 AM ET
    $MAIA
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $MAIA alert in real time by email
    false 0001878313 0001878313 2025-10-19 2025-10-19 iso4217:USD xbrli:shares iso4217:USD xbrli:shares

     

     

     

    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 19. 2025

     

    MAIA Biotechnology, Inc.

    (Exact name of registrant as specified in its charter)

     

    Delaware DE   001-41455   83-1495913

    (State or other jurisdiction

    of incorporation)

     

    (Commission

    File Number)

     

    (IRS Employer

    Identification No.)

     

    444 West Lake Street, Suite 1700    
    Chicago, IL   60606
    (Address of principal executive offices)   (Zip Code)

     

    (312) 416-8592

    (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:

     

    ☐ 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   MAIA   NYSE American

     

    Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

     

    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 October 23, MAIA Biotechnology, Inc. (the “Company”) issued a press release entitled “MAIA Biotechnology Details 30-Month Patient Survival in Ongoing Phase 2 Clinical Trial in Non-Small Cell Lung Cancer.” Pursuant to Regulation FD, the press release is furnished with this Current Report on Form 8-K (this “Report”) as Exhibit 99.1.

     

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

     

    Item 8.01 Other Events

     

    1. The Company has prepared a poster (the “Poster”) entitled “Presentation 1: A Phase 2 Study of Ateganosine (THIO; 6-thio-2’-deoxyguanosine) in Combination with Immune Checkpoint Inhibitor (ICI) in Patients with Advanced Non-Small Cell Lung Cancer (NSCLC) Resistant to Prior ICI and Chemotherapy: THIO-101 Trial (“THIO-101 Trial Poster”). The THIO-101 Poster was presented at the European Society for Medical Oncology (ESMO) Congress 2025 held in Berlin, Germany starting on October 19, 2025 and posted to the Company’s website on such date, a copy of which is filed as Exhibit 99.2 to this Report and is hereby incorporated by reference.

     

    2. The Company has prepared a poster (the “Poster”) entitled • Presentation 2: A Phase 3 Study of Ateganosine (THIO) Sequenced with Immune Checkpoint Inhibitor (ICI) versus Standard of Care Chemotherapy in ICI-Resistant Advanced NSCLC: THIO-104 Trial in Progress (“THIO-104Trial Poster”). The THIO-104 Poster was presented ESMO starting on October 19, 2025 and posted to the Company’s website on such date, a copy of which is filed as Exhibit 99.3 to this Report and is hereby incorporated by reference.

     

    Each of the THIO-101 Trial Poster and THIO-104 Trial Poster contain forward-looking statements, and as a result, investors should not place undue reliance on these forward-looking statements.

     

    Item 9.01 Financial Statements and Exhibits.

     

    (d) Exhibits.

     

    Exhibit No.   Description
    99.1   Press Release dated October 23, 2025
    99.2   THIO-101 Trial Poster
    99.3   THIO-104 Trial Poster
    104   Cover Page Interactive Data File (embedded within the Inline XBRL document)

     

    2

     

     

    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.

     

    Dated: October 23, 2025

     

      MAIA BIOTECHNOLOGY, INC.
         
      By: /s/ Vlad Vitoc
      Name: Vlad Vitoc
      Title: Chief Executive Officer

     

    3

     

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