0000950123-22-010768.txt : 20221103 0000950123-22-010768.hdr.sgml : 20221103 20221103165524 ACCESSION NUMBER: 0000950123-22-010768 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20220930 FILED AS OF DATE: 20221103 DATE AS OF CHANGE: 20221103 EFFECTIVENESS DATE: 20221103 FILER: COMPANY DATA: COMPANY CONFORMED NAME: TRV GP IV, LLC CENTRAL INDEX KEY: 0001688325 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-18982 FILM NUMBER: 221358861 BUSINESS ADDRESS: STREET 1: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 13F-HR 1 primary_doc.xml 13F-HR LIVE 0001688325 XXXXXXXX 09-30-2022 09-30-2022 false TRV GP IV, LLC

29 Newbury Street, 3rd Floor Boston MA 02116

13F HOLDINGS REPORT 028-18982 N Kevin Gillis 617-585-2000 /s/ Kevin Gillis Boston MA 11-03-2022 0 5 171139 false INFORMATION TABLE 2 18169.xml INFORMATION TABLE FOR FORM 13F MAGENTA THERAPEUTICS, INC. COM 55910K108 9529 6758204 SH SOLE 6758204 0 0 FULCRUM THERAPEUTICS, INC. COM 359616109 18956 2343154 SH SOLE 2343154 0 0 REVOLUTION MEDICINES, INC. COM 76155X100 28000 1419900 SH SOLE 1419900 0 0 PLIANT THERAPEUTICS, INC. COM 729139105 44556 2132867 SH SOLE 2132867 0 0 TANGO THERAPEUTICS, INC. COM 87583X109 70098 19363975 SH SOLE 19363975 0 0