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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001012975-14-000557
Filing Date
2014-09-12
Accepted
2014-09-12 16:07:52
Documents
1
Period of Report
2014-09-11

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 13699
  Complete submission text file 0001012975-14-000557.txt   16531
Mailing Address 150 SECOND STREET CAMBRIDGE MA 02141
Business Address 150 SECOND STREET CAMBRIDGE MA 02141 339-499-9300
bluebird bio, Inc. (Issuer) CIK: 0001293971 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address 29 NEWBURY STREET SUITE 401 BOSTON MA 02116
Business Address 29 NEWBURY STREET SUITE 401 BOSTON MA 02116 617-859-3099
THIRD ROCK VENTURES LP (Reporting) CIK: 0001408591 (see all company filings)

State of Incorp.: DE
Type: 4 | Act: 34 | File No.: 001-35966 | Film No.: 141100957

Mailing Address C/O THIRD ROCK VENTURES 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116
Business Address C/O THIRD ROCK VENTURES 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 617-585-2000
TRV GP, LLC (Reporting) CIK: 0001578973 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-35966 | Film No.: 141100955

Mailing Address C/O THIRD ROCK VENTURES 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116
Business Address C/O THIRD ROCK VENTURES 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 617-585-2000
Third Rock Ventures GP, L.P. (Reporting) CIK: 0001578976 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-35966 | Film No.: 141100956