PTGX NASDAQ
Newark, CA 94560-1160
US
Protagonist Therapeutics, Inc. is a biopharmaceutical firm dedicated to discovering and advancing peptide-based therapies. Their research primarily focuses on treatments for hematological and blood conditions, as well as inflammatory and immune-mediated disorders. The company's pipeline features rusfertide (PTG-300), an injectable hepcidin mimetic currently undergoing Phase II clinical trials for the management of polycythemia vera, hereditary hemochromatosis, and other blood-related ailments. Also in Phase II development is PN-943, an oral peptide engineered as a specific antagonist of alpha-4-beta-7 integrin, intended for addressing inflammatory bowel disease (IBD). Furthermore, they are progressing PN-235, an orally administered antagonist specifically targeting the interleukin-23 receptor, designed for both IBD and various non-IBD therapeutic applications. Protagonist Therapeutics maintains a licensing and collaborative agreement with Janssen Biotech, Inc. Founded in 2006, the company's headquarters are located in Newark, California.
Recent Insider Trades
| Name | Type | Shares | Price | Date |
|---|---|---|---|---|
| Waddill William D. | S-Sale | 9,000 | $117.94 | 2026-06-23 |
| Waddill William D. | S-Sale | 9,000 | $107.68 | 2026-06-10 |
| Waddill William D. | S-Sale | 9,000 | $99.64 | 2026-05-29 |
| PATEL DINESH V PH D | M-Exempt | 75,000 | $21.58 | 2026-05-12 |
| PATEL DINESH V PH D | S-Sale | 75,000 | $100.12 | 2026-05-12 |