Prothena Corporation logo

Prothena Corporation

PRTA | NASDAQ
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$8.51
-$0.07 (-0.82%)
At close: Sep 21, 2026, 4:00 PM ET
$8.75
+$0.24 (+2.82%)
After-hours: Sep 21, 2026, 7:30 PM ET

Company Profile

Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation. Its product pipeline includes Prasinezumab, an investigational humanized monoclonal antibody which is in Phase 3 clinical trial for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in Phase 3 clinical trial for the treatment of transthyretin amyloidosis; BMS-986446, an anti-tau antibody which is in Phase 2 clinical trial to treat Alzheimer's disease; PRX019, an investigational antibody which is in Phase 1 clinical trial for the treatment of neurodegenerative diseases; and PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease. In addition, it develops discovery- and late-preclinical-stage programs include TDP-43 CYTOPE for the treatment of amyotrophic lateral sclerosis; PRX012, a next-generation anti-Aß antibody which is in phase 1 clinical trial to treat Alzheimer's disease; and PRX012-TfR, a preclinical program for the treatment of Alzheimer's disease. It has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and master collaboration agreement with Bristol Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. Prothena Corporation plc was incorporated in 2012 and is based in Dublin, Ireland.

Key Executives

Name Position
Gene G. Kinney President, Chief Executive Officer & Director
Brandon S. Smith Chief Operating Officer
Tran Nguyen Chief Financial Officer
Annie Evans Kingston Chief Strategy Officer
Chad Swanson Chief Development Officer
Karin L. Walker Chief Accounting Officer & Controller
Mark C. Johnson Vice President of Investor Relations
Michael J. Isaacs General Counsel & Corporate Secretary
Phillip Dolan Sr. Director & Head of Exploratory Research
Wagner Zago Chief Scientific Officer

Latest SEC Filings

Date Type Title
Sep 03, 2026 4 Filing
Aug 21, 2026 4 Filing
Aug 19, 2026 SC 13G/A [Amend] Statement of acquisition of beneficial own...
Aug 18, 2026 3 Filing
Aug 18, 2026 4 Filing
Aug 14, 2026 SC 13G/A [Amend] Statement of acquisition of beneficial own...
Aug 11, 2026 4 Filing
Aug 11, 2026 3 Filing
Aug 10, 2026 4 Filing
Aug 06, 2026 10-Q Quarterly Report
View All SEC Filings
Prothena Corporation
Prothena Corporation logo
Country Ireland
IPO Date Dec 19, 2012
Industry Biotechnology
Sector Healthcare
Employees 67
CEO Gene G. Kinney

Contact Details

77 Sir John Rogerson’s Quay Dublin, DU D02 VK60 Ireland

Stock Details

Ticker Symbol PRTA
Exchange NASDAQ
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001559053
CUSIP Number n/a
ISIN Number IE00B91XRN20
SIC Code 2834

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