0001209191-22-004758.txt : 20220125 0001209191-22-004758.hdr.sgml : 20220125 20220125161221 ACCESSION NUMBER: 0001209191-22-004758 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220121 FILED AS OF DATE: 20220125 DATE AS OF CHANGE: 20220125 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cooper Simon Peter CENTRAL INDEX KEY: 0001877225 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39264 FILM NUMBER: 22554047 MAIL ADDRESS: STREET 1: C/O KEROS THERAPEUTICS, INC. STREET 2: 99 HAYDEN AVE., BUILDING E, SUITE 120 CITY: LEXINGTON STATE: MA ZIP: 02421 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Keros Therapeutics, Inc. CENTRAL INDEX KEY: 0001664710 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 99 HAYDEN AVENUE, SUITE 120 (BLD E) STREET 2: LEDGEMONT TECHNOLOGY CENTER CITY: LEXINGTON STATE: MA ZIP: 02421 BUSINESS PHONE: 617-513-8774 MAIL ADDRESS: STREET 1: 99 HAYDEN AVENUE, SUITE 120 (BLD E) STREET 2: LEDGEMONT TECHNOLOGY CENTER CITY: LEXINGTON STATE: MA ZIP: 02421 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2022-01-21 0 0001664710 Keros Therapeutics, Inc. KROS 0001877225 Cooper Simon Peter C/O KEROS THERAPEUTICS, INC. 99 HAYDEN AVENUE, STE. 120, BLDG. E LEXINGTON MA 02421 0 1 0 0 Chief Medical Officer Employee Stock Option (right to buy) 46.30 2022-01-21 4 A 0 50000 0.00 A 2032-01-20 Common Stock 50000 50000 D One-fourth (1/4th) of the shares subject to the option shall vest on January 19, 2023, and one-twelfth (1/12th) of the remaining shares subject to the option shall vest in equal quarterly installments thereafter, subject to the Reporting Person continuing to provide service through each such date. /s/ Keith Regnante, Attorney-in-Fact 2022-01-25