0000950123-16-017096.txt : 20160513 0000950123-16-017096.hdr.sgml : 20160513 20160513133513 ACCESSION NUMBER: 0000950123-16-017096 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20160331 FILED AS OF DATE: 20160513 DATE AS OF CHANGE: 20160513 EFFECTIVENESS DATE: 20160513 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: 161647378 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 03-31-2016 03-31-2016 Polaris Venture Management Co IV LLC

One Marina Park Drive 10th Floor Boston MA 02210

13F HOLDINGS REPORT 028-16007 N Mary Blair 855-787-3500 /s/ Mary Blair Boston MA 05-13-2016 0 4 53128 false INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F Acceleron Pharma Inc Common Stock 00434H108 39059 1480060 SH SOLE 1480060 0 0 Alimera Sciences Inc Common Stock 016259103 5510 3148355 SH SOLE 3148355 0 0 Cerulean Pharma Inc Common Stock 15708Q105 3895 1437441 SH SOLE 1437441 0 0 Pulmatrix Inc Common Stock 74584P103 4664 1591862 SH SOLE 1591862 0 0