— Know what they know.
Not Investment Advice

PRTA

Prothena Corporation plc
1W: +8.4% 1M: +3.8% 3M: -3.8% YTD: +1.2% 1Y: -30.2% 3Y: -80.7% 5Y: -61.0%
$9.51
+0.20 (+2.09%)
After Hours: $9.48 (-0.02, -0.21%)
NASDAQ · Healthcare · Biotechnology · $501.2M · Alpha Radar Neutral · Power 48
Smart Money Score
Bullish 75
Insider+$15.5M
Congress
ETF Holdings
Key Statistics
Market Cap$501.2M
52W Range4.32-13.71
Volume543,662
Avg Volume506,983
Beta-0.28
Dividend
Analyst Ratings
20 Buy 6 Hold 2 Sell
Consensus Buy
Company Info
CEOGene G. Kinney
Employees163
SectorHealthcare
IndustryBiotechnology
IPO Date2012-12-18
77 Sir John Rogerson’s Quay
Dublin 2
IE
353 1 236 2500
About Prothena Corporation plc

Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a humanized monoclonal antibody, which is in Phase IIb clinical trial for the treatment of Parkinson's disease; PRX004 that completed Phase I clinical trial for the treatment of Transthyretin amyloidosis; and PRX005, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX012 for the treatment of Alzheimer's disease; and dual Aß-Tau vaccine for the treatment and prevention of Alzheimer's disease. Prothena Corporation plc 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 alpha-synuclein; and a collaboration agreement with Bristol-Myers Squibb to develop antibodies. The company was founded in 2012 and is based in Dublin, Ireland.

Recent Insider Trades

NameTypeSharesPriceDate
Zago Wagner M. A-Award 190,000 $9.36 2026-03-03
Walker Karin L A-Award 150,000 $9.36 2026-03-03
Swanson Chad J. A-Award 190,000 $9.36 2026-03-03
Smith Brandon S. A-Award 190,000 $9.36 2026-03-03
Nguyen Tran A-Award 230,000 $9.36 2026-03-03

Sign in to InsiderStreet

You'll also get our free weekly newsletter with
smart money signals, market insights, and alpha ideas.
Unsubscribe anytime.

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