X0206 3 2022-07-27 0 0001878313 MAIA Biotechnology, Inc. MAIA 0001243988 MCGUIRE JOSEPH F 444 WEST LAKE STREET, SUITE 1700 CHICAGO IL 60606 0 1 0 0 Chief Financial Officer Stock Options 8.00 2031-08-15 Common Stock 130000 D Stock Options 8.00 2031-07-30 Common Stock 656 D Stock Options 8.00 2031-08-30 Common Stock 1297 D Represents an option to purchase shares of Common Stock granted pursuant to the 2020 Equity Incentive Plan. 25% of these options vest in 1 year with the remaining options to vest in 36 equal monthly installments beginning on August 16, 2021. Represents an option to purchase shares of Common Stock granted pursuant to the 2020 Equity Incentive Plan. These options fully vested on July 31, 2021. Represents an option to purchase shares of Common Stock granted pursuant to the 2020 Equity Incentive Plan. These options fully vested on August 31, 2021. /s/ Joseph F. McGuire 2022-07-27