MAIA Biotechnology Announces Closing of $30 Million Underwritten Public Offering of Common Stock

CHICAGO, IL, March 04, 2026 (GLOBE NEWSWIRE) -- MAIA Biotechnology, Inc., (NYSE American: MAIA) (“MAIA”, the “Company”), a clinical-stage biopharmaceutical company developing targeted immunotherapies for cancer, today announced the closing of its previously announced underwritten public offering of 20,000,000 shares of its common stock at a public offering price of $1.50 per share for aggregate gross proceeds of $30 million, prior to deducting underwriting discounts and other offering expenses. In addition, the Company has granted the underwriters a 30-day option to purchase up to an additional 3,000,000 shares of common stock at the public offering price per share, less the underwriting discounts to cover over-allotments, if any.

The offering was structured as a straightforward common stock only investment with no warrant coverage and was led by healthcare-dedicated investors alongside existing shareholders.

Konik Capital Partners, LLC, a division of T.R. Winston & Company acted as the sole book-running manager for the offering.

MAIA intends to use the net proceeds from the offering to conduct clinical trials and for working capital and general corporate purposes.

The securities described above were offered and sold pursuant to a “shelf” registration statement on Form S-3 (File No. 333-273984), including a base prospectus, filed with the U.S. Securities and Exchange Commission (the “SEC”) on August 15, 2023, and declared effective on August 23, 2023.

The offering was made only by means of a prospectus supplement and accompanying prospectus that form a part of the registration statement. A prospectus supplement describing the terms of the public offering has been filed with the SEC and forms a part of the effective registration statement.

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 www.maiabiotech.com.