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Protagonist Therapeutics, Inc. (PTGX) stock declined over -0.58%, trading at $145.09 on NASDAQ, down from the previous close of $145.94. The stock opened at $145.79, fluctuating between $144.38 and $151.27 in the recent session.
| Filing Date | Accepted Date | |
|---|---|---|
| Filing Date | Accepted Date | |
|---|---|---|
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 09, 2026 | 146.05 | 151.19 | 144.46 | 145.09 | 530.49K |
| Sep 08, 2026 | 143.61 | 147.29 | 142.00 | 145.94 | 635.1K |
| Sep 04, 2026 | 146.47 | 147.99 | 144.01 | 145.72 | 500.98K |
| Sep 03, 2026 | 146.68 | 149.49 | 144.00 | 148.80 | 353.89K |
| Sep 02, 2026 | 148.00 | 149.42 | 144.61 | 146.08 | 561.5K |
| Sep 01, 2026 | 147.75 | 150.34 | 144.73 | 146.49 | 534.12K |
| Aug 31, 2026 | 143.26 | 149.29 | 141.95 | 147.75 | 567.26K |
| Aug 28, 2026 | 147.73 | 147.95 | 142.43 | 144.33 | 499.77K |
| Aug 27, 2026 | 150.35 | 151.68 | 147.11 | 149.50 | 381.59K |
| Aug 26, 2026 | 150.36 | 152.07 | 147.69 | 151.50 | 335.46K |
| Aug 25, 2026 | 155.84 | 157.98 | 150.09 | 150.59 | 664.52K |
| Aug 24, 2026 | 154.32 | 158.08 | 149.94 | 154.72 | 483.34K |
| Aug 21, 2026 | 152.10 | 154.95 | 150.82 | 154.32 | 402.52K |
| Aug 20, 2026 | 152.45 | 155.25 | 148.28 | 150.69 | 518.56K |
| Aug 19, 2026 | 160.81 | 160.81 | 154.22 | 154.94 | 785.88K |
| Aug 18, 2026 | 157.96 | 160.00 | 156.81 | 157.34 | 471.65K |
| Aug 17, 2026 | 155.11 | 158.95 | 153.60 | 158.62 | 506.94K |
| Aug 14, 2026 | 150.23 | 155.53 | 149.17 | 155.10 | 426.26K |
| Aug 13, 2026 | 153.15 | 154.99 | 150.92 | 151.42 | 444.78K |
| Aug 12, 2026 | 148.21 | 152.70 | 147.33 | 152.01 | 416.32K |
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.
| Employees | 141 |
| Beta | 1.79 |
| Sales or Revenue | $60.00M |
| 5Y Sales Change% | -0.236% |
| Fiscal Year Ends | December |
| Sector | Healthcare |
| Industry | Biotechnology |