Company · CIK 1446847

# IRONWOOD PHARMACEUTICALS INC

| CIK | [1446847](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001446847) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 2834 — Pharmaceutical Preparations |
| Incorporated in | DE |
| Business address | MA |
| Listed | IRWD (Nasdaq) |
| First annual or quarterly report | 2010-03-30 |

## Offerings

 6 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-275435 | Shelf Effective | 2023-11-09 | 2023-11-09 | 1 |
| 333-249896 | Shelf Effective | 2020-11-06 | 2020-11-06 | 1 |
| 333-221294 | Shelf Effective | 2017-11-02 | 2017-11-02 | 1 |
| 333-199885 | Shelf Effective | 2014-11-05 | 2014-11-05 | 1 |
| 333-179430 | Shelf Effective | 2012-02-08 | 2014-02-10 | 5 |
| 333-163275 | IPO Final prospectus | 2009-11-20 | 2010-02-04 | 7 |

## Filings

 16

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2023-11-09 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1446847/000110465923116271/0001104659-23-116271-index.htm) Shelf registered | 333-275435 | 0001104659-23-116271 |
| 2020-11-06 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1446847/000110465920122016/0001104659-20-122016-index.htm) Shelf registered | 333-249896 | 0001104659-20-122016 |
| 2017-11-02 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1446847/000110465917065676/0001104659-17-065676-index.htm) Shelf registered | 333-221294 | 0001104659-17-065676 |
| 2014-11-05 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1446847/000110465914077073/0001104659-14-077073-index.htm) Shelf registered | 333-199885 | 0001104659-14-077073 |
| 2014-02-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1446847/000104746914000748/0001047469-14-000748-index.htm) Shelf takedown | 333-179430 | 0001047469-14-000748 |
| 2013-05-20 | [424B5](https://www.sec.gov/Archives/edgar/data/1446847/000104746913006324/0001047469-13-006324-index.htm) Shelf takedown | 333-179430 | 0001047469-13-006324 |
| 2012-02-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1446847/000104746912000838/0001047469-12-000838-index.htm) Shelf takedown | 333-179430 | 0001047469-12-000838 |
| 2012-02-08 | [424B5](https://www.sec.gov/Archives/edgar/data/1446847/000104746912000727/0001047469-12-000727-index.htm) Shelf takedown | 333-179430 | 0001047469-12-000727 |
| 2012-02-08 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1446847/000104746912000725/0001047469-12-000725-index.htm) Shelf registered | 333-179430 | 0001047469-12-000725 |
| 2010-02-04 | [424B4](https://www.sec.gov/Archives/edgar/data/1446847/000104746910000546/0001047469-10-000546-index.htm) Final prospectus | 333-163275 | 0001047469-10-000546 |
| 2010-02-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1446847/999999999510000408/9999999995-10-000408-index.htm) Declared effective | 333-163275 | 9999999995-10-000408 |
| 2010-02-02 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1446847/000104746910000489/0001047469-10-000489-index.htm) Amendment | 333-163275 | 0001047469-10-000489 |
| 2010-01-29 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1446847/000104746910000428/0001047469-10-000428-index.htm) Amendment | 333-163275 | 0001047469-10-000428 |
| 2010-01-20 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1446847/000104746910000224/0001047469-10-000224-index.htm) Amendment | 333-163275 | 0001047469-10-000224 |
| 2009-12-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1446847/000104746909010906/0001047469-09-010906-index.htm) Amendment | 333-163275 | 0001047469-09-010906 |
| 2009-11-20 | [S-1](https://www.sec.gov/Archives/edgar/data/1446847/000104746909010362/0001047469-09-010362-index.htm) Registration filed | 333-163275 | 0001047469-09-010362 |

[All filings of this company](https://equitycapital.markets/filings?cik=1446847) · [CSV](https://equitycapital.markets/filings.csv?cik=1446847)

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Source page: https://equitycapital.markets/company/1446847 · Data: U.S. SEC EDGAR · CC BY 4.0