<SEC-DOCUMENT>0001193125-21-331902-index.html : 20211117 <SEC-HEADER>0001193125-21-331902.hdr.sgml : 20211117 <ACCEPTANCE-DATETIME>20211117072540 ACCESSION NUMBER: 0001193125-21-331902 CONFORMED SUBMISSION TYPE: SC TO-T/A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20211117 DATE AS OF CHANGE: 20211117 GROUP MEMBERS: ASTROS MERGER SUB, INC. SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ACCELERON PHARMA INC CENTRAL INDEX KEY: 0001280600 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC TO-T/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-87630 FILM NUMBER: 211418412 BUSINESS ADDRESS: STREET 1: 128 SIDNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-649-9200 MAIL ADDRESS: STREET 1: 128 SIDNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: MERCK SHARP & DOHME CORP. CENTRAL INDEX KEY: 0000064978 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 221109110 STATE OF INCORPORATION: NJ FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC TO-T/A BUSINESS ADDRESS: STREET 1: ONE MERCK DR STREET 2: P O BOX 100 CITY: WHITEHOUSE STATION STATE: NJ ZIP: 08889-0100 BUSINESS PHONE: 9084231688 MAIL ADDRESS: STREET 1: ONE MERCK DR STREET 2: PO BOX 100 WS3AB-05 CITY: WHITEHOUSE STATION STATE: NJ ZIP: 08889-0100 FORMER COMPANY: FORMER CONFORMED NAME: MERCK & CO INC DATE OF NAME CHANGE: 19920703 </SEC-HEADER> <DOCUMENT> <TYPE>SC TO-T/A <SEQUENCE>1 <FILENAME>d252291dsctota.htm <DESCRIPTION>SC TO-T/A <TEXT> Document 1 - file: d252291dsctota.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.(A)(5)(H) <SEQUENCE>2 <FILENAME>d252291dex99a5h.htm <DESCRIPTION>EX-99.(A)(5)(H) <TEXT> Document 2 - file: d252291dex99a5h.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g252291g1117061644055.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g252291g1117061644055.jpg
</DOCUMENT> </SEC-DOCUMENT>