Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001012975-13-000552
Filing Date
2013-12-18
Accepted
2013-12-18 17:14:19
Documents
1
Period of Report
2013-12-16

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 9596
  Complete submission text file 0001012975-13-000552.txt   12438
Mailing Address 840 MEMORIAL DR 4TH FL CAMBRIDGE MA 02139
Business Address 840 MEMORIAL DR 4TH FL CAMBRIDGE MA 02139 617-491-5601
bluebird bio, Inc. (Issuer) CIK: 0001293971 (see all company filings)

EIN.: 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.: 131286011

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.: 131286009

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.: 131286010