0000899243-22-027444.txt : 20220802 0000899243-22-027444.hdr.sgml : 20220802 20220802182911 ACCESSION NUMBER: 0000899243-22-027444 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220728 FILED AS OF DATE: 20220802 DATE AS OF CHANGE: 20220802 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Guerrero Ramiro CENTRAL INDEX KEY: 0001913253 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41455 FILM NUMBER: 221130392 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 doc4.xml FORM 4 SUBMISSION X0306 4 2022-07-28 0 0001878313 MAIA Biotechnology, Inc. MAIA 0001913253 Guerrero Ramiro 444 WEST LAKE STREET, SUITE 1700 CHICAGO IL 60606 1 0 0 0 Common Stock 2022-07-28 4 P 0 9000 4.00 A 268382 D Common Stock 2022-08-01 4 P 0 20000 5.00 A 288382 D These shares were purchased by the reporting person in the open market for $4.00 per share on July 28, 2022. These shares were purchased by the reporting person in the issuer's initial public offering, which closed on August 1, 2022. /s/ Ramiro Guerrero 2022-08-02