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NASDAQ: PTGX Protagonist Therapeutics, Inc 10-Q

Protagonist swings to $220M Q3 profit on Takeda opt-out, launches two drugs, and adds $300M buyback

Filed November 6, 2026 · Period ending September 30, 2026 · Compared to 10-Q Nov 6, 2025 · ~1 min read

Key Changes

  • high

    Revenue surged 5723.6% to $274.4M, driving net income of $220.0M and diluted EPS of $3.07 for Q3 2026.

    MD&A: Revenue and profitability verify on EDGAR →
  • high

    Exercised Takeda opt-out, triggering $400M in opt-out payments and a $75M milestone; now eligible for up to $800M in milestones and 14-29% royalties.

    MD&A: Takeda opt-out verify on EDGAR →
  • high

    ICOTYDE (psoriasis) and MIMRYLO (polycythemia vera) both received FDA approval and launched, transitioning the company to commercial-stage.

    MD&A: Product approvals verify on EDGAR →

2 more material changes behind this preview — plus the full narrative summary, section-by-section diffs against the prior filing, and verbatim quotes with EDGAR citations.

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Figures/quotes linked to EDGAR · Narrative written by AI · Nov 9, 2026 · How we verify