Protagonist Therapeutics, Inc

Pharmaceutical company · Newark, California, United States · Nasdaq: PTGX

Protagonist Therapeutics, Inc is a pharmaceutical company headquartered in Newark, California, United States. Its shares trade on Nasdaq under the ticker PTGX. It has received 4 US government small-business research awards (SBIR/STTR) from health agencies, $3.2 million in total, most recently in 2018. It has reported private securities offerings to the US SEC, most recently $17 million sold in a notice filed in 2015.

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Protagonist Therapeutics at a glance

Typepharmaceutical company

HeadquartersNewark, California, United States

Stock listingNasdaq: PTGX

SEC industryPharmaceutical Preparations

Employees (per SBIR records)97

SEC CIK1377121

What does Protagonist Therapeutics do?

US government research funding

4 SBIR/STTR small-business research awards from US health agencies, $3.2 million in total (2015 to 2018). NIH funding came from the National Heart, Lung, and Blood Institute, National Institute of Diabetes and Digestive and Kidney Diseases.

Private fundraising reported to the SEC

2 Form D notices; the most recent reported $17.5 million sold (2015).

Frequently asked questions about Protagonist Therapeutics

Where is Protagonist Therapeutics headquartered?

Protagonist Therapeutics, Inc is headquartered in Newark, California, United States.

What does Protagonist Therapeutics do?

Protagonist Therapeutics, Inc is a pharmaceutical company. Its SEC industry classification is Pharmaceutical Preparations.

Is Protagonist Therapeutics a public company?

Yes. Protagonist Therapeutics, Inc trades on Nasdaq under the ticker PTGX.

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Sources

Location data: GeoNames (geonames.org), CC BY 4.0.

Last updated 2026-09-23.