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Prothena Corporation plc - Ordinary Shares (NQ:PRTA)

8.050 -0.310 (-3.71%)
Delayed Quote Updated: 11:58 AM EDT, Oct 5, 2026 Add to My Watchlist
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All News about Prothena Corporation plc - Ordinary Shares

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Prothena to Participate in the H.C. Wainwright 28th Annual Global Investment Conference
From Prothena Corporation plc
Via Business Wire
Prothena (NASDAQ:PRTA) Beats EPS but Misses Revenue in Mixed Q2 2026 Results ↗
Via Chartmill
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Prothena Reports Second Quarter 2026 Financial Results and Business Highlights
From Prothena Corporation plc
Via Business Wire
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Prothena to Report Second Quarter 2026 Financial Results on August 6
From Prothena Corporation plc
Via Business Wire
Prothena (NASDAQ:PRTA) Smashes Q1 Estimates on $50 Million Milestone Payment, Shares Steady ↗
Via Chartmill
News headline image
Prothena Reports First Quarter 2026 Financial Results and Business Highlights
From Prothena Corporation plc
Via Business Wire
Prothena Corporation (NASDAQ:PRTA) Reports Q4 2025 Revenue Miss, Highlights Pipeline Progress and 2026 Cash Guidance ↗
Via Chartmill
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Earnings Scheduled For November 6, 2025 ↗
 
Via Benzinga
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Prothena to Report First Quarter 2026 Financial Results on May 7
From Prothena Corporation plc
Via Business Wire
What's going on in today's after hours session ↗
Via Chartmill
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Prothena Announces Novo Nordisk Obtains Fast Track Designation from the U.S. FDA for Coramitug (PRX004) in ATTR Amyloidosis with Cardiomyopathy
From Prothena Corporation plc
Via Business Wire
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Prothena Announces Leadership Team Updates
From Prothena Corporation plc
Via Business Wire
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Prothena Partners Present Data Supporting Next Generation Treatments for Parkinson’s and Alzheimer’s Disease at AD/PD™ 2026
From Prothena Corporation plc
Via Business Wire
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Prothena Announces Achievement of $50 Million Clinical Milestone Payment from Novo Nordisk Related to Ongoing Phase 3 Clinical Trial for Coramitug (Formerly PRX004) in ATTR Amyloidosis with Cardiomyopathy
From Prothena Corporation plc
Via Business Wire
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Prothena Announces up to $100 Million Share Repurchase Plan
From Prothena Corporation plc
Via Business Wire
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Prothena Reports Fourth Quarter and Full Year 2025 Financial Results, and Provides Financial Guidance and Business Highlights
From Prothena Corporation plc
Via Business Wire
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Prothena to Report Fourth Quarter and Full Year 2025 Financial Results on February 19, 2026
From Prothena Corporation plc
Via Business Wire
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Prothena Announces Board of Directors Update
From Prothena Corporation plc
Via Business Wire
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Prothena Announces Poster Presentation on its TDP-43 CYTOPE® Program at Neuroscience 2025
From Prothena Corporation plc
Via Business Wire
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Novo Nordisk's $100 Million Coramitug Shows Promise In Reducing Heart Failure Biomarker ↗
Novo Nordisk's Coramitug cut NT-proBNP levels and was well tolerated in a Phase 2 ATTR-CM trial, paving the way for its Phase 3 CLEOPATTRA study. 
Via Benzinga
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Prothena Highlights Phase 2 Data for Coramitug (Formerly PRX004) Published in Circulation, Official Journal of AHA
From Prothena Corporation plc
Via Business Wire
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Prothena Corp PLC (NASDAQ:PRTA) Reports Q3 2025 Earnings and Key Pipeline Milestones ↗
Prothena reports Q3 2025 earnings, provides updates on its neurodegenerative disease pipeline, and reaffirms strong cash position. 
Via Chartmill
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Prothena Reports Third Quarter 2025 Financial Results and Business Highlights
From Prothena Corporation plc
Via Business Wire
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Prothena to Report Third Quarter 2025 Financial Results on November 6
From Prothena Corporation plc
Via Business Wire
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Deep Dive Into Prothena Corp Stock: Analyst Perspectives (7 Ratings) ↗
 
Via Benzinga
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Prothena’s Partner Bristol Myers Squibb Obtains Fast Track Designation from the U.S. FDA for BMS-986446 (PRX005), an Anti-MTBR-Tau-Targeting Antibody, for the Treatment of Alzheimer’s Disease
From Prothena Corporation plc
Via Business Wire
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Alibaba To Rally More Than 12%? Here Are 10 Top Analyst Forecasts For Tuesday ↗
 
Via Benzinga
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FDA Tightens Safety Guidelines For Biogen Leqembi Alzheimer's Therapy ↗
The FDA now requires earlier MRI screening for Alzheimer's drug Leqembi to detect ARIA-E, a rare but serious side effect, aiming to improve treatment safety for patients. 
Via Benzinga
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Prothena to Participate in the Cantor Fitzgerald Global Healthcare Conference
From Prothena Corporation plc
Via Business Wire
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Prothena Reports Non-Competitive Brain Swelling Rates In Early Alzheimer's Study ↗
Prothena reported ASCENT trial data showing strong amyloid plaque reduction but high ARIA-E rates for Alzheimer's drug PRX012, prompting a shift in focus. 
Via Benzinga
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