0000950123-15-008469.txt : 20150811 0000950123-15-008469.hdr.sgml : 20150811 20150811162534 ACCESSION NUMBER: 0000950123-15-008469 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20150630 FILED AS OF DATE: 20150811 DATE AS OF CHANGE: 20150811 EFFECTIVENESS DATE: 20150811 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: 151044175 BUSINESS ADDRESS: STREET 1: 1000 WINTER STREET STREET 2: SUITE 3350 CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 7812900770 MAIL ADDRESS: STREET 1: 1000 WINTER STREET STREET 2: SUITE 3350 CITY: WALTHAM STATE: MA ZIP: 02451 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001295438 XXXXXXXX 06-30-2015 06-30-2015 Polaris Venture Management Co IV LLC

1000 Winter Street Suite 3350 Waltham MA 02451

13F HOLDINGS REPORT 028-16007 N John Gannon 855-787-3500 /s/ John Gannon Waltham MA 08-11-2015 0 4 96123 false INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F Acceleron Pharma Inc Common Stock 00434H108 59715 1887319 SH SOLE 1887319 0 0 Alimera Sciences Inc Common Stock 016259103 14514 3148355 SH SOLE 3148355 0 0 Cerulean Pharma Inc Common Stock 15708Q105 6612 1437441 SH SOLE 1437441 0 0 Pulmatrix Inc Common Stock 74584P103 15282 1591862 SH SOLE 1591862 0 0