0000947871-23-000670.txt : 20230612 0000947871-23-000670.hdr.sgml : 20230612 20230612173233 ACCESSION NUMBER: 0000947871-23-000670 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230612 DATE AS OF CHANGE: 20230612 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Keros Therapeutics, Inc. CENTRAL INDEX KEY: 0001664710 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 811173868 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-39264 FILM NUMBER: 231009473 BUSINESS ADDRESS: STREET 1: 1050 WALTHAM STREET, SUITE 302 CITY: LEXINGTON STATE: MA ZIP: 02421 BUSINESS PHONE: 617-314-6297 MAIL ADDRESS: STREET 1: 1050 WALTHAM STREET, SUITE 302 CITY: LEXINGTON STATE: MA ZIP: 02421 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: ORBIMED CAPITAL LLC CENTRAL INDEX KEY: 0001157524 IRS NUMBER: 134133323 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 BUSINESS ADDRESS: STREET 1: 601 LEXINGTON AVENUE STREET 2: 54TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: (212) 739-6400 MAIL ADDRESS: STREET 1: 601 LEXINGTON AVENUE STREET 2: 54TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 144 1 primary_doc.xml 144 0001157524 XXXXXXXX LIVE 0001664710 Keros Therapeutics, Inc. 001-39264 1050 WALTHAM STREET, SUITE 302 LEXINGTON MA 02421 617-314-6297 The Biotech Growth Trust PLC Shareholder Common Stock Evercore ISI

55 East 52nd Street New York NY 10055

170000 7461300.00 29584173 06/12/2023 Nasdaq Stock Market Common Stock 03/02/2020 Private placement Issuer N 170000 03/02/2020 Cash Y OrbiMed Capital LLC is the portfolio manager of The Biotech Growth Trust PLC. 06/12/2023 /s/ Douglas Coon, Chief Compliance Officer, OrbiMed Capital LLC, portfolio manager of The Biotech Growth Trust PLC