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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000315066-13-003136
Filing Date
2013-03-25
Accepted
2013-03-25 16:49:27
Documents
1
Period of Report
2013-03-21

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 6507
  Complete submission text file 0000315066-13-003136.txt   8690
Mailing Address 245 SUMMER STREET BOSTON MA 02210
Business Address 245 SUMMER STREET BOSTON MA 02210 6175706339
FMR LLC (Reporting) CIK: 0000315066 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-34620 | Film No.: 13714526

Mailing Address P.O. BOX H.M. 670 HAMILTON D0 00000
Business Address P.O. BOX H.M. 670 HAMILTON D0 00000 6175637100
FIL Ltd (Reporting) CIK: 0000318989 (see all company filings)

Fiscal Year End: 0630
Type: 4 | Act: 34 | File No.: 001-34620 | Film No.: 13714525

Mailing Address 301 BINNEY STREET CAMBRIDGE MA 02142
Business Address 301 BINNEY STREET CAMBRIDGE MA 02142 617-621-7722
IRONWOOD PHARMACEUTICALS INC (Issuer) CIK: 0001446847 (see all company filings)

IRS No.: 043404176 | State of Incorp.: DE
SIC: 2834 Pharmaceutical Preparations