<SEC-DOCUMENT>0001104659-21-086866-index.html : 20210629 <SEC-HEADER>0001104659-21-086866.hdr.sgml : 20210629 <ACCEPTANCE-DATETIME>20210629163310 ACCESSION NUMBER: 0001104659-21-086866 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210629 DATE AS OF CHANGE: 20210629 GROUP MEMBERS: PETER KOLCHINSKY GROUP MEMBERS: RA CAPITAL HEALTHCARE FUND, L.P. GROUP MEMBERS: RAJEEV SHAH SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Cyteir Therapeutics, Inc. CENTRAL INDEX KEY: 0001662244 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 455429901 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-92616 FILM NUMBER: 211058608 BUSINESS ADDRESS: STREET 1: 128 SPRING STREET STREET 2: BUILDING A, SUITE 510 CITY: LEXINGTON STATE: MA ZIP: 02421 BUSINESS PHONE: 857-285-4140 MAIL ADDRESS: STREET 1: 128 SPRING STREET STREET 2: BUILDING A, SUITE 510 CITY: LEXINGTON STATE: MA ZIP: 02421 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: RA CAPITAL MANAGEMENT, L.P. CENTRAL INDEX KEY: 0001346824 IRS NUMBER: 830406777 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 200 BERKELEY STREET, 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-778-2500 MAIL ADDRESS: STREET 1: 200 BERKELEY STREET, 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 FORMER COMPANY: FORMER CONFORMED NAME: RA CAPITAL MANAGEMENT, LLC DATE OF NAME CHANGE: 20051213 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G <SEQUENCE>1 <FILENAME>tm2121017d1_sc13g.htm <DESCRIPTION>CYTEIR THERAPEUTICS, INC. <TEXT> Document 1 - file: tm2121017d1_sc13g.htm
</DOCUMENT> </SEC-DOCUMENT>