MAIA Biotechnology Announces Open Market Purchases by CEO and Directors

CHICAGO, Dec. 01, 2025 (GLOBE NEWSWIRE) -- MAIA Biotechnology, Inc. (NYSE American: MAIA) (“MAIA”, the “Company”), a clinical-stage biopharmaceutical company focused on developing targeted immunotherapies for cancer, today announced that the CEO and certain members of the Company’s Board of Directors purchased approximately 182,445 shares of MAIA common stock at market price between November 21 and 28, 2025. The average common stock price was $1.06.

Vlad Vitoc, M.D., Chairman and CEO of MAIA, purchased 94,300 shares between November 21 and 28, 2025, at an average price of $1.08 per share. Other board members, Cristian Luput and Stan V. Smith, Ph.D., purchased a combined total of 88,145 shares in the open market at an average price of $1.04 per share.

“Along with my fellow MAIA Board members, we are pleased to report that we recently acquired shares of MAIA in the open market, reflecting our confidence in ateganosine’s ongoing clinical development,” said Dr. Vitoc. “With 38% response rates and 17.8 months overall survival in our Phase 2 THIO-101 clinical trial to date, we believe in ateganosine’s potential to improve the lives of patients diagnosed with non-small cell lung cancer and become a new standard of care.”

“I firmly believe MAIA’s cancer-therapy platform can redefine the landscape of cancer research and treatment,” said Mr. Luput. “As a longtime investor, I believe the company’s strategic focus and scientific momentum position it to deliver significant value for shareholders in the years ahead,” added Mr. Smith.

About MAIA Biotechnology, Inc.

MAIA is a targeted therapy, immuno-oncology company focused on the development and commercialization of potential first-in-class drugs with novel mechanisms of action that are intended to meaningfully improve and extend the lives of people with cancer. Our lead program is ateganosine (THIO), a potential first-in-class cancer telomere targeting agent in clinical development for the treatment of NSCLC patients with telomerase-positive cancer cells. For more information, please visit .

Forward Looking Statements

MAIA cautions that all statements, other than statements of historical facts contained in this press release, are forward-looking statements. Forward-looking statements are subject to known and unknown risks, uncertainties, and other factors that may cause our or our industry’s actual results, levels or activity, performance or achievements to be materially different from those anticipated by such statements. The use of words such as “may,” “might,” “will,” “should,” “could,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “project,” “intend,” “future,” “potential,” or “continue,” and other similar expressions are intended to identify forward looking statements. However, the absence of these words does not mean that statements are not forward-looking. For example, all statements we make regarding (i) the initiation, timing, cost, progress and results of our preclinical and clinical studies and our research and development programs, (ii) our ability to advance product candidates into, and successfully complete, clinical studies, (iii) the timing or likelihood of regulatory filings and approvals, (iv) our ability to develop, manufacture and commercialize our product candidates and to improve the manufacturing process, (v) the rate and degree of market acceptance of our product candidates, (vi) the size and growth potential of the markets for our product candidates and our ability to serve those markets, and (vii) our expectations regarding our ability to obtain and maintain intellectual property protection for our product candidates, are forward looking. All forward-looking statements are based on current estimates, assumptions and expectations by our management that, although we believe to be reasonable, are inherently uncertain. Any forward-looking statement expressing an expectation or belief as to future events is expressed in good faith and believed to be reasonable at the time such forward-looking statement is made. However, these statements are not guarantees of future events and are subject to risks and uncertainties and other factors beyond our control that may cause actual results to differ materially from those expressed in any forward-looking statement. Any forward-looking statement speaks only as of the date on which it was made. We undertake no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise, except as required by law. In this release, unless the context requires otherwise, “MAIA,” “Company,” “we,” “our,” and “us” refers to MAIA Biotechnology, Inc. and its subsidiaries.

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