Protagonist Therapeutics, Inc.
Protagonist Therapeutics, Inc. (PTGX) SEC Filings & 10-K Annual Reports
SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.
SEC EDGAR · data.sec.gov · CIK 0001377121 · PTGX · NASDAQ · as of Jun 9, 2026
Filing snapshot
Source: SEC EDGAR (data.sec.gov) · CIK 0001377121 · Updated hourly · Not investment advice
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SEC Filing History
About SEC Filings & 10-K Annual Reports
Protagonist Therapeutics, Inc. (NASDAQ: PTGX) has submitted 677 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2016. As a Healthcare sector company with CIK 0001377121, all filings are publicly accessible via the EDGAR database at no cost.
The annual 10-K report is Protagonist Therapeutics, Inc.'s most comprehensive regulatory disclosure. The most recent Protagonist Therapeutics, Inc. 10-K was filed on 2026-02-25 for fiscal year ending 2026. Historical PTGX 10-K annual reports are available from 2006 through 2026.
Investors researching Protagonist Therapeutics, Inc. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.
Frequently Asked Questions
PTGX SEC Filings · 8 questionsProtagonist Therapeutics, Inc. (PTGX) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 677 filings and access original documents at no cost. Protagonist Therapeutics, Inc.'s CIK is 0001377121.