Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000315066-12-003946
Filing Date
2012-09-25
Accepted
2012-09-25 16:46:57
Documents
1
Period of Report
2012-09-21

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 9968
  Complete submission text file 0000315066-12-003946.txt   12124
Mailing Address 82 DEVONSHIRE STREET BOSTON MA 02109
Business Address 82 DEVONSHIRE ST BOSTON MA 02109 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.: 121109359

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.: 121109358

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)

EIN.: 043404176
SIC: 2834 Pharmaceutical Preparations