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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 24. 2025
MAIA
Biotechnology, Inc.
(Exact
name of registrant as specified in its charter)
| Delaware |
|
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
8.01 Regulation FD Disclosure.
MAIA
Biotechnology, Inc. (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.” The Poster was presented at the AACR-NCI-EORTC International Conference
on Molecular Targets and Cancer Therapeutics in Boston, Massachusetts on October 24, 2025 and posted to the Company’s website on
such date. A copy the Poster is filed as Exhibit 99.1 to this Current Report on Form 8-K and is hereby incorporated by reference.
The
Poster contains 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 |
|
Poster |
| 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 hereunto duly authorized.
Dated:
October 24, 2025
| |
MAIA BIOTECHNOLOGY, INC. |
| |
|
|
| |
By: |
/s/ Vlad
Vitoc |
| |
Name: |
Vlad Vitoc |
| |
Title: |
Chief Executive Officer |
