0000950123-23-002590.txt : 20230214 0000950123-23-002590.hdr.sgml : 20230214 20230214160008 ACCESSION NUMBER: 0000950123-23-002590 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20221231 FILED AS OF DATE: 20230214 DATE AS OF CHANGE: 20230214 EFFECTIVENESS DATE: 20230214 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: 23628354 BUSINESS ADDRESS: STREET 1: 201 BROOKLINE AVE, SUITE 1401 CITY: BOSTON STATE: MA ZIP: 02215 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: 201 BROOKLINE AVE, SUITE 1401 CITY: BOSTON STATE: MA ZIP: 02215 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE 0001688325 XXXXXXXX 12-31-2022 12-31-2022 false TRV GP IV, LLC

201 Brookline Ave, Suite 1401 Boston MA 02215

13F HOLDINGS REPORT 028-18982 N Kevin Gillis 617-585-2000 /s/ Kevin Gillis Boston MA 02-14-2023 0 5 235166808 false INFORMATION TABLE 2 20829.xml INFORMATION TABLE FOR FORM 13F FULCRUM THERAPEUTICS, INC. COM 359616109 17058161 2343154 SH SOLE 2343154 0 0 MAGENTA THERAPEUTICS, INC. COM 55910K108 2669491 6758204 SH SOLE 6758204 0 0 PLIANT THERAPEUTICS, INC. COM 729139105 41228319 2132867 SH SOLE 2132867 0 0 REVOLUTION MEDICINES, INC. COM 76155X100 33822018 1419900 SH SOLE 1419900 0 0 TANGO THERAPEUTICS, INC. COM 87583X109 140388819 19363975 SH SOLE 19363975 0 0