X0407 4 2023-05-15 0001878313 MAIA Biotechnology, Inc. MAIA 0001913350 Luput Cristian 444 WEST LAKE STREET, SUITE 1700 CHICAGO IL 60606 1 1 Common Stock 2023-05-15 4 P 0 3000 2.63 A 298068 D The purchases reported in this Form 4 were automatically effected pursuant to a previously executed purchasing plan of Mr. Luput that is intended to comply with Rule 10b5-1(c) promulgated under the Securities Exchange Act of 1934, as amended. The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $2.505 to $2.74, inclusive. The Reporting Person undertakes to provide to the staff of the Securities and Exchange Commission, to any security holder of the Issuer, or to the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above. /s/ Cristian Luput 2023-05-17