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SEC Filings

PROTAGONIST THERAPEUTICS, INC filed this Form 424B5 on 08/07/2018
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addition, improvements observed in histological scores favoring PTG-100 over placebo correlate with the clinical remission and endoscopic response outcomes from the re-analysis.

Treatment arm (n=83)
  Clinical remission   Endoscopic response*
Placebo (n=21)   1 (4.8%)   1 (4.8%)
150 mg (n=22)   2 (9.1%)   2 (9.1%)
300 mg (n=21)   2 (9.5%)   3 (14.3%)
900 mg (n=19)   3 (15.8%)   3 (15.8%)

defined as an endoscopic subscore of 0 or 1

        We plan to meet with the FDA in the second half of 2018 to discuss next steps with regards to the Phase 2b clinical trial of PTG-100.

Company Information

        Protagonist Pty Limited (Protagonist Australia) was incorporated in Australia in September 2001. We were incorporated under the laws of the State of Delaware in 2006, under the name Protagonist Therapeutics, Inc., and became the parent of Protagonist Australia pursuant to a transaction in which all of the issued and outstanding capital stock of Protagonist Australia was exchanged for shares of our common stock and Series A preferred stock. Our principal executive offices are located at 7707 Gateway Boulevard, Suite 140, Newark, California 94560. Our telephone number is (510) 474-0170. Our website address is The information contained in, or accessible through, our website does not constitute part of this prospectus, should not be relied on in determining whether to make an investment decision, and the inclusion of our website address in this prospectus is an inactive textual reference only.

        The Protagonist logo and other trademarks or service marks of Protagonist Therapeutics, Inc. appearing in this prospectus are the property of Protagonist Therapeutics, Inc. Other trademarks, service marks or trade names appearing in this prospectus are the property of their respective owners. We do not intend our use or display of other companies' trade names, trademarks or service marks to imply a relationship with, or endorsement or sponsorship of us by, these other companies.

        In addition, we are an "emerging growth company" as defined in the Jumpstart Our Business Startups Act, or the JOBS Act, enacted in April 2012, and therefore we intend to take advantage of certain exemptions from various public company reporting requirements, including not being required to have our internal control over financial reporting audited by our independent registered public accounting firm pursuant to Section 404(b) of the Sarbanes-Oxley Act of 2002, reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements, exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and any golden parachute payments not previously approved.

        We will remain an emerging growth company until the earlier of (1) December 31, 2021, (2) the last day of the fiscal year (a) in which we have total annual gross revenue of at least $1.07 billion or (b) in which we are deemed to be a large accelerated filer, which means the market value of our common stock that is held by non-affiliates exceeds $700 million as of the prior June 30th, and (3) the date on which we have issued more than $1.0 billion in non-convertible debt securities during the prior three-year period.