The Fort Worth Press - Protagonist Reports Third Quarter 2026 Financial Results and Provides Corporate Update

NEWARK, CA / ACCESS Newswire / November 5, 2026 / Protagonist Therapeutics (Nasdaq:PTGX) ("Protagonist" or "the Company") today reported financial results for the third quarter ended September 30, 2026, and provided a corporate update.

"The third quarter was a defining period for Protagonist, with FDA approval of MIMRYLO, our second approval this year for a first-in-class peptide drug, and the continued strong commercial launch of ICOTYDE under our collaboration with Johnson & Johnson," said Dinesh V. Patel, PhD, President and Chief Executive Officer of Protagonist Therapeutics. "MIMRYLO reflects years of disciplined scientific dedication and clinical execution, and together with ICOTYDE, provides immensely important validation both of our innovative expertise in peptide therapeutics and of the successful pharma-biotech partnership model we have built around these two approved drugs. The partnerships are fueling an accelerating revenue engine, which provides the flexibility to fund the next generation of wholly owned programs emerging from our platform, and to return meaningful capital to shareholders through a share repurchase program."

Third Quarter 2026 Recent Developments and Upcoming Milestones

MIMRYLO™ (rusfertide): Subcutaneous Injectable Hepcidin Mimetic for Polycythemia Vera

• On October 13, 2026, results from the pivotal Phase 3 VERIFY study were published in the Journal of Clinical Oncology. The article is available here.

ICOTYDE® (Icotrokinra): Oral IL-23 Receptor Antagonist

• In September and October 2026, Johnson & Johnson presented two-year Phase 3 results from the ICONIC-TOTAL and ICONIC-LEAD studies. The results demonstrated sustained responses through Week 112 and a continued favorable safety profile in adults and adolescents with plaque psoriasis, including patients with disease affecting high-impact and difficult-to-treat areas.
• ICOTYDE is also in development for additional immune-mediated diseases, including psoriatic arthritis, ulcerative colitis and Crohn's disease.

Wholly-Owned Clinical and Discovery Programs

• Discovery: The Company continues to advance high-priority discovery programs for oral peptides, including an oral IL-4Rα antagonist and amylin-based mono- and poly-agonists.

Share Repurchase Program

• On September 8, Protagonist announced that its Board of Directors authorized a share repurchase program under which the Company may repurchase up to $300 million of its outstanding common stock. The Company intends to fund repurchases from its cash, cash equivalents and marketable securities, as well as royalties and other payments received under its collaboration arrangements with Takeda related to MIMRYLO and Johnson & Johnson related to ICOTYDE. The timing and amount of any repurchases will depend on market conditions, alternative capital deployment opportunities and other factors.

Third Quarter 2026 Financial Results

• Cash, Cash Equivalents and Marketable Securities: Cash, cash equivalents and marketable securities as of September 30, 2026, were $834.6 million as compared to $646.0 million as of December 31, 2025.

• License and collaboration revenue was $544.3 million for the nine months ended September 30, 2026. This cumulative revenue consisted primarily of $460.5 million related to total proportional revenue recognized from Takeda during those nine months. Additionally, the nine-month revenue includes $33.8 million derived from ongoing development services provided by us under the Takeda Collaboration Agreement, a $50.0 million milestone earned from Johnson & Johnson in Q1 2026 upon FDA approval of ICOTYDE, and other revenues.

• Net Income (Loss): Net income was $220.0 million, or $3.32 per basic share and $3.07 per diluted share, for the third quarter of 2026 as compared to net loss of $39.3 million, or $0.62 per basic and diluted share, for the third quarter of 2025. Net income was $386.6 million, or $5.88 per basic share and $5.43 per diluted share, for the nine months ended September 30, 2026, as compared to net loss of $85.8 million, or $1.35 per basic and diluted share, for the nine months ended September 30, 2025.

About Protagonist

Protagonist Therapeutics is a biopharmaceutical company built on a proprietary peptide technology platform that has now produced two FDA-approved, first-in-class medicines, generating royalties and milestones from global commercial partnerships with Johnson and Johnson and Takeda Pharmaceutical Company Limited. ICOTYDE® (icotrokinra), licensed to Johnson & Johnson company Janssen Biotech, Inc., is the first and only targeted oral peptide that precisely blocks the Interleukin-23 (IL-23) receptor. ICOTYDE was launched in the U.S. in March 2026 for the treatment of moderate-to-severe plaque psoriasis in adults and pediatric patients 12 years of age or older and is in Phase 3 development for psoriatic arthritis, ulcerative colitis and Crohn's disease. ICOTYDE was jointly discovered by Protagonist and Johnson & Johnson scientists, with Protagonist having primary responsibility for the development of ICOTYDE through Phase 1, and Johnson & Johnson assuming responsibility for further clinical and regulatory development and commercialization. Protagonist also discovered and led research and development through Phase 3 for MIMRYLO^™ (rusfertide), a first-in-class hepcidin mimetic peptide licensed to Takeda Pharmaceutical Company Limited for worldwide commercialization. MIMRYLO is approved in the U.S. for the treatment of erythrocytosis in adults with PV. The Company also has a number of clinical and preclinical programs based on clinically and commercially validated targets and addressing unmet medical needs, including an oral IL-17 antagonist peptide, anti-obesity dual and triple agonists, an oral hepcidin functional mimetic, and the recently announced IL-4 and amylin discovery programs.

More information on Protagonist, its pipeline drug candidates, and clinical studies can be found on the Company's website at https://www.protagonist-inc.com.

Cautionary Note on Forward-Looking Statements

This press release contains forward-looking statements for purposes of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements include statements regarding the company's expectations related to future royalty and milestone payments pursuant to the Company's collaboration arrangements, the timing and results of our clinical development programs, and the level of our future development expenses. In some cases, you can identify these statements by forward-looking words such as "anticipate," "believe," "may," "will," "expect," or the negative or plural of these words or similar expressions. Forward-looking statements are not guarantees of future performance and are subject to risks and uncertainties that could cause actual results and events to differ materially from those anticipated, including, but not limited to, our ability to develop and commercialize our product candidates, our ability to earn milestone payments under our collaboration agreements with Janssen and Takeda, our ability to use and expand our programs to build a pipeline of product candidates, our ability to obtain and maintain regulatory approval of our product candidates, our ability to operate in a competitive industry and compete successfully against competitors that have greater resources than we do, and our ability to obtain and adequately protect intellectual property rights for our product candidates. Additional information concerning these and other risk factors affecting our business can be found in our periodic filings with the Securities and Exchange Commission, including under the heading "Risk Factors" contained in our most recently filed periodic reports on Form 10-K and Form 10-Q filed with the Securities and Exchange Commission. Any forward-looking statements that we make in this press release speak only as of the date of this press release. We assume no obligation to update our forward-looking statements, whether as a result of new information, future events, or otherwise, after the date of this press release.

Investor Relations Contact

Corey Davis, Ph.D.
LifeSci Advisors
[email protected]
+1 212 915 2577

Media Relations Contact

Virginia Amann
ENTENTE Network of Companies
[email protected]
+1 833 500 0061 ext 1

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SOURCE: Protagonist Therapeutics

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L.Rodriguez--TFWP