0000950123-20-007931.txt : 20200818 0000950123-20-007931.hdr.sgml : 20200818 20200807190259 ACCESSION NUMBER: 0000950123-20-007931 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20200630 FILED AS OF DATE: 20200807 DATE AS OF CHANGE: 20200807 EFFECTIVENESS DATE: 20200810 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: 201086006 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 06-30-2020 06-30-2020 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 08-07-2020 0 4 217057 false INFORMATION TABLE 2 877.xml INFORMATION TABLE FOR FORM 13F MAGENTA THERAPEUTICS, INC. COM 55910K108 60142 8008204 SH SOLE 8008204 0 0 FULCRUM THERAPEUTICS, INC. COM 359616109 42856 2343154 SH SOLE 2343154 0 0 REVOLUTION MEDICINES, INC. COM 76155X100 44826 1419900 SH SOLE 1419900 0 0 PLIANT THERAPEUTICS, INC. COM 729139105 69233 2132867 SH SOLE 2132867 0 0