Protagonist Therapeutics, Inc. (PTGX)
NASDAQ: PTGX · Real-Time Price · USD
96.66
+4.57 (4.96%)
At close: Mar 9, 2026, 4:00 PM EDT
95.00
-1.66 (-1.72%)
After-hours: Mar 9, 2026, 4:53 PM EDT

Company Description

Protagonist Therapeutics, Inc. operates as a discovery and development company in the United States.

It develops Icotyde, a first-in-class investigational targeted oral peptide for the treatment of adults and pediatric patients 12 years of age and older with moderate-to-severe plaque psoriasis; and Rusfertide, a first-in-class investigational injectable mimetic of the natural hormone hepcidin in Phase 3 development for the treatment of the rare blood disorder polycythemia vera.

The company is also developing PN-881, a potential best-in-class oral peptide IL-17 antagonist, for the treatment of immune-mediated skin diseases in Phase 1 clinical trials; PN-477 and PN-458, which are development candidates for the treatment of obesity; PN-8047, an orally administered hepcidin functional mimetic small molecule; L-4R alpha antagonist for the treatment of atopic dermatitis and moderate-to-severe asthma; and amylinR-based oral and subcutaneous mono- and poly-agonists for the treatment of obesity.

Protagonist Therapeutics, Inc. was incorporated in 2006 and is headquartered in Newark, California.

Protagonist Therapeutics, Inc.
Protagonist Therapeutics logo
Country United States
Founded 2006
IPO Date Aug 11, 2016
Industry Biotechnology
Sector Healthcare
Employees 132
CEO Dinesh Patel

Contact Details

Address:
7707 Gateway Boulevard, Suite 140
Newark, California 94560
United States
Phone 510 474 0170
Website protagonist-inc.com

Stock Details

Ticker Symbol PTGX
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001377121
CUSIP Number 74366E102
ISIN Number US74366E1029
Employer ID 98-0505495
SIC Code 2834

Key Executives

Name Position
Dr. Dinesh V. Patel Ph.D. Chief Executive Officer, President, Secretary and Director
Asif Ali Executive Vice President and Chief Financial Officer
Dr. Arturo M. Molina FACP, M.D., M.S. Chief Medical Officer
Mohammad Masjedizadeh Ph.D. Executive Vice President and Chief Technology Officer
Dr. Newman Yeilding M.D. Executive Vice President, Chief Scientific Officer
Matthew M. Gosling J.D. Executive Vice President and Chief Legal and Business Officer
Carena Spivey Executive Vice President and Chief Human Resources Officer
Dr. Ashok Bhandari Ph.D. Executive Vice President and Chief Discovery Officer
Carter J. King Executive Vice President of Business Development
Abha Bommireddi Executive Vice President and Chief of Staff

Latest SEC Filings

Date Type Title
Feb 25, 2026 S-8 Securities to be offered to employees in employee benefit plans
Feb 25, 2026 10-K Annual Report
Feb 25, 2026 8-K Current Report
Feb 17, 2026 144 Filing
Feb 17, 2026 SCHEDULE 13G/A Filing
Feb 10, 2026 SCHEDULE 13G Filing
Feb 6, 2026 SCHEDULE 13G/A Filing
Feb 6, 2026 144 Filing
Jan 30, 2026 SCHEDULE 13G/A Filing
Jan 27, 2026 144 Filing