IRONWOOD PHARMACEUTICALS INC

For the period ended Mar 31, 2025. Filed May 12, 2025.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2025 · Filed May 12, 2025

IRWD$4.68+6.6%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

See the Exhibit Index on the following page of this Quarterly Report on Form 10-Q.

EXHIBIT INDEX

Exhibit No:		Description
3.1		Eleventh Amended and Restated Certificate of Incorporation. Incorporated by reference to Exhibit 3.1 of Ironwood Pharmaceuticals, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2009, filed with the SEC on March 30, 2010.

3.2		Certificate of Retirement. Incorporated by reference to Exhibit 3.2 of Ironwood Pharmaceuticals, Inc.’s Amendment No. 1 to Form 8-A, filed with the SEC on January 3, 2019.

3.3		Certificate of Amendment of Eleventh Amended and Restated Certificate of Incorporation. Incorporated by reference to Exhibit 3.1 of Ironwood Pharmaceuticals, Inc.’s Current Report on Form 8-K, filed with the SEC on May 31, 2019.

3.4		Fifth Amended and Restated Bylaws. Incorporated by reference to Exhibit 3.2 of Ironwood Pharmaceuticals, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2009, filed with the SEC on March 30, 2010.

31.1*		Certification of Chief Executive Officer pursuant to Rules 13a-14 or 15d-14 of the Exchange Act.

31.2*		Certification of Chief Financial Officer pursuant to Rules 13a-14 or 15d-14 of the Exchange Act.

32.1‡		Certification of Chief Executive Officer pursuant to Rules 13a-14(b) or 15d-14(b) of the Exchange Act and 18 U.S.C. Section 1350.

32.2‡		Certification of Chief Financial Officer pursuant to Rules 13a-14(b) or 15d-14(b) of the Exchange Act and 18 U.S.C. Section 1350.

101.INS*		XBRL Instance Document – The Instance Document does not appear in the Interactive Data Files because its XBRL tags are embedded within the Inline XBRL document.

101.SCH*		XBRL Taxonomy Extension Schema Document.

101.CAL*		XBRL Taxonomy Extension Calculation Linkbase Document.

101.LAB*		XBRL Taxonomy Extension Label Linkbase Database.

101.PRE*		XBRL Taxonomy Extension Presentation Linkbase Document.

101.DEF*		XBRL Taxonomy Extension Definition Linkbase Document.
104*		The cover page from this Quarterly Report on Form 10-Q formatted in Inline XBRL.

Filed herewith.

‡ Furnished herewith.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.