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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001479354-13-000001
Filing Date
2013-03-19
Accepted
2013-03-19 21:36:06
Documents
1
Period of Report
2013-03-15

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 20317
  Complete submission text file 0001479354-13-000001.txt   25199
Mailing Address 30 ROCKEFELLER PLAZA, SUITE 5508 NEW YORK NY 10112
Business Address
Hove Anders D (Reporting) CIK: 0001365618 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-34620 | Film No.: 13703397

Mailing Address 2494 SAND HILL ROAD SUITE 200 MENLO PARK CA 94025
Business Address 2494 SAND HILL ROAD SUITE 200 MENLO PARK CA 94025 6505619580
VENROCK ASSOCIATES V LP (Reporting) CIK: 0001391289 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-34620 | Film No.: 13703403

Mailing Address 2494 SAN HILL RD SUITE 200 MENLO PARK CA 94025
Business Address 2494 SAN HILL RD SUITE 200 MENLO PARK CA 94025 650-561-9580
VENROCK PARTNERS V L P (Reporting) CIK: 0001395760 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-34620 | Film No.: 13703404

Mailing Address 3340 HILLVIEW AVENUE PALO ALTO CA 94304
Business Address 3340 HILLVIEW AVENUE PALO ALTO CA 94304 650-475-3734
Venrock Management V, LLC (Reporting) CIK: 0001444116 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-34620 | Film No.: 13703400

Mailing Address 3340 HILLVIEW AVENUE PALO ALTO CA 94304
Business Address 3340 HILLVIEW AVENUE PALO ALTO CA 94304 650-475-3734
Venrock Partners Management V, LLC (Reporting) CIK: 0001444117 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-34620 | Film No.: 13703399

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

Mailing Address 3340 HILLVIEW AVENUE PALO ALTO CA 94306
Business Address 3340 HILLVIEW AVENUE PALO ALTO CA 94306 650-561-9580
VENROCK HEALTHCARE CAPITAL PARTNERS LP (Reporting) CIK: 0001458177 (see all company filings)

State of Incorp.: DE
Type: 4 | Act: 34 | File No.: 001-34620 | Film No.: 13703402

Mailing Address 3340 HILLVIEW AVENUE PALO ALTO CA 94304
Business Address 3340 HILLVIEW AVENUE PALO ALTO CA 94304 6504753734
VHCP Co-Investment Holdings, LLC (Reporting) CIK: 0001479354 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-34620 | Film No.: 13703405

Mailing Address 3340 HILLVIEW AVENUE PALO ALTO CA 94304
Business Address 3340 HILLVIEW AVENUE PALO ALTO CA 94304 6504753734
VHCP Management, LLC (Reporting) CIK: 0001479355 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-34620 | Film No.: 13703401