Form 4 Filing - MAIA Biotechnology, Inc.

Vlad Vitoc, CEO, Director, and 10% owner of MAIA Biotechnology, Inc. (MAIA), reported a transaction on April 10, 2026. Vitoc acquired 800,000 stock options with an exercise price of $1.28 per share, which were granted under the company's 2021 Equity Incentive Plan. These options have an exercise date of April 10, 2027, and an expiration date of April 10, 2036. The options vest over four years, with 25% vesting on the first anniversary of the grant date and the remainder vesting monthly over the subsequent 36 months. Following this transaction, Vitoc directly owns 800,000 shares of common stock underlying these options. The filing was signed by Vitoc on April 14, 2026.