<SEC-DOCUMENT>0001172661-19-001077-index.html : 20190422 <SEC-HEADER>0001172661-19-001077.hdr.sgml : 20190422 <ACCEPTANCE-DATETIME>20190422134154 ACCESSION NUMBER: 0001172661-19-001077 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20190422 DATE AS OF CHANGE: 20190422 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: PhaseBio Pharmaceuticals Inc CENTRAL INDEX KEY: 0001169245 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 030375697 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-90691 FILM NUMBER: 19759112 BUSINESS ADDRESS: STREET 1: 1 GREAT VALLEY PARKWAY STREET 2: SUITE 30 CITY: MALVERN STATE: PA ZIP: 19355 BUSINESS PHONE: (610) 981-6500 MAIL ADDRESS: STREET 1: 1 GREAT VALLEY PARKWAY STREET 2: SUITE 30 CITY: MALVERN STATE: PA ZIP: 19355 FORMER COMPANY: FORMER CONFORMED NAME: Phase Biosciences Inc DATE OF NAME CHANGE: 20061013 FORMER COMPANY: FORMER CONFORMED NAME: DT BIOSCIENCES INC DATE OF NAME CHANGE: 20020315 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: Rock Springs Capital Management LP CENTRAL INDEX KEY: 0001595725 IRS NUMBER: 800944416 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 650 SOUTH EXETER STREET STREET 2: SUITE 1070 CITY: BALTIMORE STATE: MD ZIP: 21202 BUSINESS PHONE: 4102200129 MAIL ADDRESS: STREET 1: 650 SOUTH EXETER STREET STREET 2: SUITE 1070 CITY: BALTIMORE STATE: MD ZIP: 21202 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G <SEQUENCE>1 <FILENAME>rocksprings-phas041219.htm <DESCRIPTION>SCHEDULE 13G HOLDINGS REPORT <TEXT> Document 1 - file: rocksprings-phas041219.htm
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