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IRONWOOD PHARMACEUTICALS INC

For the period ended Dec 31, 2023. Filed Feb 16, 2024.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2023 · Filed Feb 16, 2024

IRWD$4.39+8.9%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM****10-K

(Mark One)

**For the fiscal year endedDecember 31,**2023

OR

☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number****001-34620

IRONWOOD PHARMACEUTICALS, INC.

(Exact name of registrant as specified in its charter)

Delaware(State or other jurisdiction ofincorporation or organization)04-3404176(I.R.S. EmployerIdentification Number)
100 Summer Street, Suite 2300Boston, Massachusetts(Address of Principal Executive Offices)02110(Zip Code)

**(617)**621-7722

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered
Class A Common Stock, $0.001 par valueIRWDNasdaq Global Select Market

Securities registered pursuant to Section 12(g) of the Act:None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☒ No☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Exchange Act. Yes☐ No ☒

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No☐

Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit and post such files). Yes ☒ No☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☒Accelerated filer ☐Non-accelerated filer ☐Smaller reporting company ☐Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.☒

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐ No☒

Aggregate market value of voting stock held by non-affiliates of the Registrant as of June 30, 2023: $1,465,619,419

As of January 31, 2024, there were 156,528,648 shares of Class A Common Stock outstanding.

DOCUMENTS INCORPORATED BY REFERENCE:

Portions of the definitive proxy statement for our 2024 Annual Meeting of Stockholders are incorporated by reference into Part III of this report.

NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K, including the sections titled “Business,” “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations”, contains forward-looking statements. All statements contained in this Annual Report on Form 10-K other than statements of historical fact are forward-looking statements. Forward-looking statements include statements regarding our future financial position, business strategy, budgets, projected costs, plans and objectives of management for future operations. The words “may,” “continue,” “estimate,” “intend,” “plan,” “will,” “believe,” “project,” “expect,” “seek,” “anticipate,” “could,” “should,” “target,” “goal,” “potential” and similar expressions may identify forward-looking statements, but the absence of these words does not necessarily mean that a statement is not forward-looking. These forward-looking statements include, among other things, statements about:

●the demand and market potential for our products in the countries where they are approved for marketing, as well as the revenues therefrom;
●the timing, investment and associated activities involved in commercializing LINZESS® by us and AbbVie Inc. in the U.S.;
●the commercialization of CONSTELLA® in Europe and LINZESS in Japan and China, as well as our expectations regarding revenue generated from our partners;
●the timing, investment and associated activities involved in developing, obtaining regulatory approval for, launching, and commercializing our products and product candidates, such as apraglutide, by us and our partners worldwide;
●our ability and the ability of our partners to secure and maintain adequate reimbursement for our products;
●our ability and the ability of our partners and third parties to manufacture and distribute sufficient amounts of linaclotide active pharmaceutical ingredient, finished drug product and finished goods, as applicable, on a commercial scale;
●our expectations regarding U.S. and foreign regulatory requirements for our products and our product candidates, such as apraglutide, including our post-approval development and regulatory requirements;
●the ability of apraglutide and our other product candidates to meet existing or future regulatory standards;
●the safety profile and related adverse events of our products and our product candidates;
●the therapeutic benefits and effectiveness of our products and our product candidates and the potential indications and market opportunities therefor;
●our ability and the ability of our partners to obtain and maintain intellectual property protection for our products and our product candidates and the strength thereof, as well as Abbreviated New Drug Applications filed by generic drug manufacturers and potential U.S. Food and Drug Administration approval thereof, and associated patent infringement suits that we have filed or may file, or other action that we may take against such companies, and the timing and resolution thereof;
●our ability and the ability of our partners to perform our respective obligations under our collaboration, license and other agreements, and our ability to achieve milestone and other payments under such agreements;
●our plans with respect to the development, manufacture or sale of our product candidates and the associated timing thereof, including the design and results of pre-clinical and clinical studies;
●the in-licensing or acquisition of externally discovered businesses, products or technologies, or other strategic transactions, including our option to acquire an exclusive license from COUR Pharmaceutical

Development Company, Inc., or COUR, to research, develop, manufacture and commercialize in the U.S., products containing CNP-104 for the treatment of primary biliary cholangitis, as well as partnering arrangements, including the timing of potential clinical development and regulatory milestones and expectations relating to the completion of, or the realization of the expected benefits from, such transactions;

●our expectations as to future financial performance, revenues, expense levels, payments, cash flows, profitability, tax obligations, capital raising and liquidity sources, and real estate needs, as well as the timing and drivers thereof, and internal control over financial reporting;
●our ability to repay our outstanding indebtedness when due, or redeem or repurchase all or a portion of such debt, as well as the potential benefits of the note hedge transactions and capped call transactions described herein;
●asset impairments, and the drivers thereof, and purchase commitments;
●our ability to compete with other companies that are or may be developing or selling products that are or may be competitive with our products and product candidates;
●the status of government regulation in the life sciences industry, particularly with respect to healthcare reform and drug pricing;
●trends and challenges in our potential markets;
●our ability to attract, motivate and retain key personnel; and

Any or all of our forward-looking statements in this Annual Report on Form 10-K may turn out to be inaccurate. These forward-looking statements may be affected by inaccurate assumptions or by known or unknown risks and uncertainties, including the risks, uncertainties and assumptions identified under the heading “Risk Factors” in this Annual Report on Form 10-K. In light of these risks, uncertainties and assumptions, the forward-looking events and circumstances discussed in this Annual Report on Form 10-K may not occur as contemplated, and actual results could differ materially from those anticipated or implied by the forward-looking statements.

You should not unduly rely on these forward-looking statements, which speak only as of the date of this Annual Report on Form 10-K. Unless required by law, we undertake no obligation to publicly update or revise any forward-looking statements to reflect new information or future events or otherwise. You should, however, review the factors and risks we describe in the reports we will file from time to time with the U.S. Securities and Exchange Commission, or the SEC, after the date of this Annual Report on Form 10-K.

Summary of Risks Associated with our Business

Our business is subject to a number of risks, which are discussed more fully under the heading “Risk Factors” in this Annual Report on Form 10-K. These risks include the following:

●We are highly dependent on the commercial success of LINZESS® (linaclotide) in the United States, or the U.S., for the foreseeable future.
●We are subject to uncertainty relating to pricing and reimbursement policies in the U.S. which, if not favorable for our products, could hinder or prevent our products’ commercial success.
●We cannot give any assurance that apraglutide will be successful in clinical trials, and if successful, receive regulatory approval, which is necessary before it can be commercialized.
●The regulatory approval processes in the U.S., in the E.U. and in other foreign jurisdictions are lengthy, time consuming and inherently unpredictable. If we are ultimately unable to obtain regulatory approval for apraglutide or our other product candidates, our business will be harmed.
●Delays in the completion of clinical testing of any of our products or product candidates could result in increased costs and delay or limit our ability to generate revenues.
●Our failure to successfully develop and commercialize additional product candidates or approved products would impair our ability to grow and/or adversely affect our business.
●We must work effectively and collaboratively with AbbVie Inc. (together with its affiliates) to market and sell LINZESS in the U.S., and must adapt our commercial model and market strategy to the evolving landscape for LINZESS to achieve its maximum commercial potential.​
●We face competition and new products may emerge that provide different or better alternatives for treatment of the conditions that our products are approved to treat.
●Our products or product candidates may cause undesirable side effects or have other properties that could delay or prevent their development, create unpredictable clinical trial results, impact its regulatory approval or limit their commercial potential.
●Even though LINZESS is approved by the U.S. Food and Drug Administration for use in adult and certain pediatric patients, post-approval development and regulatory requirements still remain, which may present additional challenges.
●If we are unable to execute on our strategy to in-license or acquire externally developed products or product candidates, or engage in other transactions with value creation potential, our business and prospects would be materially adversely affected.
●We may be unable to maintain the benefits associated with orphan drug designation, including market exclusivity, which may harm our business.
●If we are unable to successfully partner with other companies to develop and commercialize products and/or product candidates, our ability to grow would be impaired and our business would be adversely affected.
●We may be unable to successfully integrate the business and personnel of VectivBio and may not realize the expected benefits and anticipated synergies of such acquisition. ​
●Our failure to successfully develop and commercialize additional product candidates or approved products would impair our ability to grow and/or adversely affect our business.​
●Healthcare reform and other governmental and private payor initiatives may have an adverse effect upon, and could prevent, our products’ or product candidates’ commercial success.
●Limitations on our ability to obtain patent protection and/or the patent rights relating to our products and our product candidates may limit our ability to prevent third parties from competing against us.
●Our indebtedness could adversely affect our financial condition or restrict our future operations.

NOTE REGARDING TRADEMARKS

LINZESS® and CONSTELLA® are trademarks of Ironwood Pharmaceuticals, Inc. Any other trademarks referred to in this Annual Report on Form 10-K are the property of their respective owners. All rights reserved.

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