0001127602-23-009775.txt : 20230310 0001127602-23-009775.hdr.sgml : 20230310 20230310171200 ACCESSION NUMBER: 0001127602-23-009775 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230308 FILED AS OF DATE: 20230310 DATE AS OF CHANGE: 20230310 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gryaznov Sergei CENTRAL INDEX KEY: 0001913228 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41455 FILM NUMBER: 23724669 MAIL ADDRESS: STREET 1: 444 WEST LAKE STREET, SUITE 1700 CITY: CHICAGO STATE: IL ZIP: 60606 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MAIA Biotechnology, Inc. CENTRAL INDEX KEY: 0001878313 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 444 WEST LAKE STREET, SUITE 1700 CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 312-416-8592 MAIL ADDRESS: STREET 1: 444 WEST LAKE STREET, SUITE 1700 CITY: CHICAGO STATE: IL ZIP: 60606 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2023-03-08 0001878313 MAIA Biotechnology, Inc. MAIA 0001913228 Gryaznov Sergei 444 WEST LAKE STREET, CHICAGO IL 60606 1 Chief Scientific Officer Stock Options 4.10 2023-03-08 4 A 0 100000 0 A 2033-03-08 Common Stock 100000 100000 D The stock options, granted on March 8, 2023 pursuant to MAIA Biotechnology, Inc.'s 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest on a 4-year vesting schedule, with 25% of the options to vest on the first anniversary of the date of grant and the remaining options to vest ratably monthly thereafter for 36 months. /s/ Sergei M. Gryaznov 2023-03-10