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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001179110-13-014388
Filing Date
2013-09-18
Accepted
2013-09-18 21:53:54
Documents
2
Period of Report
2013-09-18

Document Format Files

Seq Description Document Type Size
1 FORM 3 - edgar.html 3  
1 FORM 3 - edgar.xml 3 27864
2 ex24atv.htm EX-24 39558
  Complete submission text file 0001179110-13-014388.txt   72854
Mailing Address
Business Address 281 WINTER ST SUITE 350 WALTHAM MA 02451 7812900707
ADVANCED TECHNOLOGY VENTURES VII LP (Reporting) CIK: 0001138942 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-36065 | Film No.: 131104636

Mailing Address 128 SYDNEY STREET CAMBRIDGE MA 02139
Business Address 128 SYDNEY STREET CAMBRIDGE MA 02139 617-649-9200
ACCELERON PHARMA INC (Issuer) CIK: 0001280600 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address 1000 WINTER STREET, SUITE 3700 WALTHAM MA 02451
Business Address 1000 WINTER STREET, SUITE 3700 WALTHAM MA 02451 781-290-0707
Advanced Technology Ventures VI, L.P. (Reporting) CIK: 0001294514 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-36065 | Film No.: 131104639

Mailing Address 1000 WINTER STREET, SUITE 3700 WALTHAM MA 02451
Business Address 1000 WINTER STREET, SUITE 3700 WALTHAM MA 02451 781-290-0707
ATV Entrepreneurs VI, L.P. (Reporting) CIK: 0001294521 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-36065 | Film No.: 131104632

Mailing Address 1000 WINTER STREET, SUITE 3700 WALTHAM MA 02451
Business Address 1000 WINTER STREET, SUITE 3700 WALTHAM MA 02451 781-290-0707
Advanced Technology Ventures VII(B), L.P. (Reporting) CIK: 0001294525 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-36065 | Film No.: 131104638

Mailing Address 1000 WINTER STREET, SUITE 3700 WALTHAM MA 02451
Business Address 1000 WINTER STREET, SUITE 3700 WALTHAM MA 02451 781-290-0707
Advanced Technology Ventures VII(C), L.P. (Reporting) CIK: 0001294527 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-36065 | Film No.: 131104637

Mailing Address 1000 WINTER STREET, SUITE 3700 WALTHAM MA 02451
Business Address 1000 WINTER STREET, SUITE 3700 WALTHAM MA 02451 781-290-0707
ATV Alliance 2003, L.P. (Reporting) CIK: 0001294971 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-36065 | Film No.: 131104635

Mailing Address BAY COLONY CORPORATE CENTER 1000 WINTER ST., SUITE 3700 WALTHAM MA 02451
Business Address BAY COLONY CORPORATE CENTER 1000 WINTER ST., SUITE 3700 WALTHAM MA 02451 (781) 684-0045
ATV Associates VII, L.L.C. (Reporting) CIK: 0001317308 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-36065 | Film No.: 131104633

Mailing Address BAY COLONY CORPORATE CENTER 1000 WINTER ST., SUITE 3700 WALTHAM MA 02451
Business Address BAY COLONY CORPORATE CENTER 1000 WINTER ST., SUITE 3700 WALTHAM MA 02451 (781) 684-0045
ATV Associates VI, L.L.C. (Reporting) CIK: 0001317310 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-36065 | Film No.: 131104634