# EDGAR Filing Document

**Accession Number:** 0001446847
**File Stem:** 0001104659-26-050346
**Filing Date:** 2026-4
**Character Count:** 1145
**Document Hash:** 88031508084154a83f8e7a227c9ce1fc
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-050346.hdr.sgml**: 20260428

**ACCESSION NUMBER**: 0001104659-26-050346

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260428

**DATE AS OF CHANGE**: 20260428

**EFFECTIVENESS DATE**: 20260428

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** IRONWOOD PHARMACEUTICALS INC
- **CENTRAL INDEX KEY:** 0001446847
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 043404176
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34620
- **FILM NUMBER:** 26907846

**BUSINESS ADDRESS:**
- **STREET 1:** 100 SUMMER STREET, SUITE 2300
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02110
- **BUSINESS PHONE:** 617-621-7722

**MAIL ADDRESS:**
- **STREET 1:** 100 SUMMER STREET, SUITE 2300
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02110

### Attached PDF Documents

**Attachment 1:** `tm264587d2_ars.pdf`

_No text found in this document._