0000950123-15-011167.txt : 20151111 0000950123-15-011167.hdr.sgml : 20151111 20151110165231 ACCESSION NUMBER: 0000950123-15-011167 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20150930 FILED AS OF DATE: 20151110 DATE AS OF CHANGE: 20151110 EFFECTIVENESS DATE: 20151110 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Polaris Venture Management Co IV LLC CENTRAL INDEX KEY: 0001295438 IRS NUMBER: 043571021 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-16007 FILM NUMBER: 151219524 BUSINESS ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 7812900770 MAIL ADDRESS: STREET 1: ONE MARINA PARK DRIVE STREET 2: 10TH FLOOR CITY: BOSTON STATE: MA ZIP: 02210 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001295438 XXXXXXXX 09-30-2015 09-30-2015 Polaris Venture Management Co IV LLC

ONE MARINA PARK DRIVE 10TH FLOOR BOSTON MA 02210

13F HOLDINGS REPORT 028-16007 N John Gannon 855-787-3500 /s/ John Gannon Boston MA 11-10-2015 0 4 56888 false INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F Acceleron Pharma Inc Common Stock 00434H108 36853 1480060 SH SOLE 1480060 0 0 Alimera Sciences Inc Common Stock 016259103 6958 3148355 SH SOLE 3148355 0 0 Cerulean Pharma Inc Common Stock 15708Q105 5261 1437441 SH SOLE 1437441 0 0 Pulmatrix Inc Common Stock 74584P103 7816 1591862 SH SOLE 1591862 0 0