Protagonist Therapeutics, Inc
Pharmaceutical Preparations
SEC reporting entityCIK 0001377121PTGX
Source: SEC EDGAR submissions · Retrieved Sep 19, 2026 · Report a correction or privacy concern
Company identity
- Legal name
- Protagonist Therapeutics, Inc
- Incorporation jurisdiction
- Delaware
- Business address locality
- NEWARK, CA
- Industry classification
- 2834 — Pharmaceutical Preparations
- Exchange(s)
- Nasdaq
- State registration status
- Not verified from the state registry
Published identifiers
- SEC Central Index Key (CIK)
- 0001377121
- Federal EIN, as reported to the SEC
- 98-0505495
- State registration number
- Not collected — consult the official registry
- Legal Entity Identifier (LEI)
- Not collected
An EIN displayed here is not an IRS validation. Learn what each identifier means.
Recent public filings
- 10-QAug 5, 2026View on SEC
- 8-KAug 5, 2026View on SEC
- 8-KJun 18, 2026View on SEC
- 10-QMay 5, 2026View on SEC
- 8-KMay 5, 2026View on SEC
Financial statements may be included in these filings. This profile does not calculate revenue, profit or a credit score.
Source and limitations
Collected from SEC EDGAR submissions on Sep 19, 2026. SEC registration and filing activity do not certify that a business is in good standing, solvent or licensed for a particular activity.
Our collection is selective. For current legal registration status, use the Delaware official authority. No directors’ personal profiles, home street addresses or consumer credit assessments are provided.