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PTGX NASDAQ

Protagonist Therapeutics, Inc.
1W: +2.3% 1M: -0.9% 3M: +6.1% YTD: +61.9% 1Y: +88.5% 3Y: +878.6% 5Y: +375.3%
$141.12
+0.80 (+0.57%)
 
Weekly Expected Move ±5.1%
$124 $131 $138 $145 $153
NASDAQ · Healthcare · Biotechnology · Tech Score Neutral · Power 50 · $9.1B mcap · 53M float · 1.35% daily turnover · Short 64% of daily vol
Credit Risk of going bust: lower than 96% of companies Debt: 0.1% of company value Bonds: none of note held by US funds details ▾
Of US companies ranked in the safest four tenths, about 1 in 3,500 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $0.01 (down more than 99.9%), Protagonist Therapeutics, Inc. would be worth roughly what it owes.
Total debt $9.2M against a stock market value of $9.13B.
Distance to default 20.66 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $2.4M (short-term plus half of long-term), stock volatility 39.8%; Altman Z'' 25.31. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
Smart Money Score
Watch 25
Insider—
Congress—
ETF Holdings—
Key Statistics
Market Cap$9.1B
52W Range74.8-160.81
Volume865,918
Avg Volume713,681
Beta1.79
Dividend—
Analyst Ratings
26 Buy 0 Hold 0 Sell
Consensus Buy
Company Info
CEODinesh V. Patel
Employees141
SectorHealthcare
IndustryBiotechnology
IPO Date2016-08-11
7707 Gateway Boulevard
Newark, CA 94560
US
510 474 0170
About Protagonist Therapeutics, Inc.

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

NameTypeSharesPriceDate
Ali Asif M-Exempt 9,229 $38.98 2026-09-30
Ali Asif S-Sale 12,595 $141.77 2026-09-30
Ali Asif S-Sale 46,034 $141.78 2026-09-30
Ali Asif M-Exempt 9,229 $38.98 2026-09-30
PATEL DINESH V PH D S-Sale 7,278 $144.10 2026-09-10

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms