0000899243-22-026893.txt : 20220727 0000899243-22-026893.hdr.sgml : 20220727 20220727183627 ACCESSION NUMBER: 0000899243-22-026893 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220727 FILED AS OF DATE: 20220727 DATE AS OF CHANGE: 20220727 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gryaznov Sergei CENTRAL INDEX KEY: 0001913228 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41455 FILM NUMBER: 221112260 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 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 3 1 doc3.xml FORM 3 SUBMISSION X0206 3 2022-07-27 0 0001878313 MAIA Biotechnology, Inc. MAIA 0001913228 Gryaznov Sergei 444 WEST LAKE STREET, SUITE 1700 CHICAGO IL 60606 0 1 0 0 Chief Scientific Officer Common Stock 21511 D Stock Options 1.80 2029-11-30 Common Stock 200000 D Stock Options 1.80 2029-11-30 Common Stock 58000 D Stock Options 1.80 2030-04-01 Common Stock 54000 D Stock Options 1.80 2030-11-02 Common Stock 236493 D Stock Options 1.80 2030-12-31 Common Stock 23695 D Stock Options 1.83 2031-04-15 Common Stock 164662 D Stock Options 1.83 2031-04-15 Common Stock 78413 D Stock Options 1.83 2031-03-31 Common Stock 23078 D Stock Options 1.83 2031-04-15 Common Stock 50000 D Stock Options 1.83 2031-06-30 Common Stock 7529 D Mr. Gryaznov beneficially owns 21,511 shares of common stock. Represents an option to purchase shares of Common Stock granted pursuant to the 2018 Stock Option Plan. These options fully vested on .December 1, 2019. Represents an option to purchase shares of Common Stock granted pursuant to the 2018 Stock Option Plan. These options vested in four equal monthly installments on December 1, 2019. Represents an option to purchase shares of Common Stock granted pursuant to the 2018 Stock Option Plan. 6,055 of these options vested on April 30, 2020 and 47,945 of these options vested on January 1, 2021. Represents an option to purchase shares of Common Stock granted pursuant to the 2020 Equity Incentive Plan. These options fully vested on November 3, 2020. Represents an option to purchase shares of Common Stock granted pursuant to the 2020 Equity Incentive Plan. These options vested in 90 equal daily instalments beginning on January 1, 2021. Represents an option to purchase shares of Common Stock granted pursuant to the 2020 Equity Incentive Plan. These options fully vested on May 20, 2021. Represents an option to purchase shares of Common Stock granted pursuant to the 2020 Equity Incentive Plan. These options fully vested on May 20, 2021. Represents an option to purchase shares of Common Stock granted pursuant to the 2020 Equity Incentive Plan. These options vested in 90 equal daily instalments beginning on April 2, 2021. Represents an option to purchase shares of Common Stock granted pursuant to the 2020 Equity Incentive Plan. These options vested in 36 equal monthly instalments beginning on January 1, 2021. Represents an option to purchase shares of Common Stock granted pursuant to the 2020 Equity Incentive Plan. These options fully vested on July 1, 2021. /s/ Sergei M. Gryaznov 2022-07-27