0000899243-21-024984.txt : 20210621 0000899243-21-024984.hdr.sgml : 20210621 20210621162646 ACCESSION NUMBER: 0000899243-21-024984 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210618 FILED AS OF DATE: 20210621 DATE AS OF CHANGE: 20210621 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Krieg Arthur M CENTRAL INDEX KEY: 0001335659 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39425 FILM NUMBER: 211030927 MAIL ADDRESS: STREET 1: C/O CHECKMATE PHARMACEUTICALS, INC. STREET 2: 245 MAIN STREET, 2ND FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Checkmate Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001651431 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 364813934 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 245 MAIN STREET, 2ND FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 978-503-2124 MAIL ADDRESS: STREET 1: 245 MAIN STREET, 2ND FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-06-18 0 0001651431 Checkmate Pharmaceuticals, Inc. CMPI 0001335659 Krieg Arthur M C/O CHECKMATE PHARMACEUTICALS, INC. 245 MAIN STREET, 2ND FLOOR CAMBRIDGE MA 02142 0 1 0 0 Chief Scientific Officer Common Stock 2021-06-18 4 P 0 7224 6.04 A 815734 D /s/ Katherine Eade, attorney-in-fact 2021-06-21