<SEC-DOCUMENT>0001144204-16-081472-index.html : 20160212 <SEC-HEADER>0001144204-16-081472.hdr.sgml : 20160212 <ACCEPTANCE-DATETIME>20160212161144 ACCESSION NUMBER: 0001144204-16-081472 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20160212 DATE AS OF CHANGE: 20160212 GROUP MEMBERS: DAVID E. SHAW SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: AMAG PHARMACEUTICALS INC. CENTRAL INDEX KEY: 0000792977 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 042742593 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-38286 FILM NUMBER: 161419197 BUSINESS ADDRESS: STREET 1: 1100 WINTER STREET CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 6174983300 MAIL ADDRESS: STREET 1: 1100 WINTER STREET CITY: WALTHAM STATE: MA ZIP: 02451 FORMER COMPANY: FORMER CONFORMED NAME: ADVANCED MAGNETICS INC DATE OF NAME CHANGE: 19920703 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: D. E. SHAW & CO, L.P. CENTRAL INDEX KEY: 0001009268 IRS NUMBER: 133695715 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 1166 AVENUE OF THE AMERICAS STREET 2: NINTH FLOOR CITY: NEW YORK STATE: NY ZIP: 10036 BUSINESS PHONE: 2124780000 MAIL ADDRESS: STREET 1: 1166 AVENUE OF THE AMERICAS STREET 2: NINTH FLOOR CITY: NEW YORK STATE: NY ZIP: 10036 FORMER COMPANY: FORMER CONFORMED NAME: SHAW D E & CO L P /NY/ DATE OF NAME CHANGE: 19990421 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G <SEQUENCE>1 <FILENAME>v430820_sc13g.htm <DESCRIPTION>SC 13G <TEXT> Document 1 - file: v430820_sc13g.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>v430820_ex1.htm <DESCRIPTION>EXHIBIT 1 <TEXT> Document 2 - file: v430820_ex1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>3 <FILENAME>v430820_ex2.htm <DESCRIPTION>EXHIBIT 2 <TEXT> Document 3 - file: v430820_ex2.htm
</DOCUMENT> </SEC-DOCUMENT>