News Sentiment

PRTA sentiment intelligence

Prothena Corporation plc news scored across direct company coverage, industry context, sector read-through, source quality, and freshness.

Chart Weekly report Factors RSS feed
Weighted score 54 Balanced news tone 56 relevant articles
Exchange NASDAQ United States
Sector Healthcare Market context
Industry Biotechnology Read-through group
Latest close 9.24 Week of 10 Jul 2026
Weighted tone 54/100

Balanced news tone

Market reaction Price moving ahead of tone

Price is moving more forcefully than the current news tone suggests.

Primary event Market update

79/100 classification confidence.

Company focus 48

directly relevant articles

Source quality 2

high-authority source matches

Trend context Trend inactive

-4.6% over one week, +12.0% over four weeks, trend inactive, and below fair value.

Latest direct headline Negative

Trading the Move, Not the Narrative: (PRTA) Edition

Market Reaction

Price moving ahead of tone

62/100 confidence

Price is moving more forcefully than the current news tone suggests.

Primary event Market update 79/100 classification
One-week reaction -4.6% Price reacting lower
Trend fit Trend inactive 12.0% over four weeks
Fair value -52.7% Below fair value
Value support

Sentiment Mix

Positive, neutral, negative

Weighted by relevance
Positive 15
Neutral 36
Negative 5

Relevance

Why the article matched

Direct first
Direct company coverage 48
Industry context 8
Sector context 0

Sources

Coverage mix

Publishers
TradingView 11
Market source 9
TradingKey 8
Stock Titan 7
Stock Traders Daily 3
AD HOC NEWS 2
Finviz 2
MT Newswires 2

Event Lens

What the news is about

Classified themes
Market update 29
Earnings 19
Analyst action 3
Deals and strategy 2
Regulatory and legal 1
Capital return 1
Guidance 1

Sentiment Trail

Score over time

50 baseline
Above 50 Neutral zone Below 50

News Tape

Relevant headlines

Showing 31-56 of 56
Finviz Direct company coverage

PRTA - Prothena Corp Plc Stock Price and Quote

This article provides comprehensive financial data, stock performance metrics, and news updates for Prothena Corp Plc (PRTA). It includes details on market capitalization, income, sales, key ratios, analyst ratings, and insider transactions, offering a detailed overview of the co

Tone
Negative 39/100
Event
Analyst action
Published
05 Jun 2026 06:39
Source
Finviz
marketscreener.com Direct company coverage

Prothena Insider Bought Shares Worth $981,300, According to a Recent SEC Filing

An insider at Prothena Corporation PLC recently purchased shares totaling $981,300, according to a recent SEC filing. This transaction occurred on May 26, 2026. The company is a late-stage clinical biotechnology firm focused on protein dysregulation and neurological diseases.

Tone
Positive 66/100
Event
Market update
Published
26 May 2026 15:01
Source
marketscreener.com
Stock Titan Direct company coverage

Rubric Capital and David Rosen disclose 9.29% stake in Prothena (PRTA)

Rubric Capital Management LP and David Rosen have collectively disclosed a 9.29% stake in Prothena Corporation plc (PRTA), holding 5,000,000 Ordinary Shares with shared voting and dispositive power. This information comes from a Schedule 13G/A SEC filing, which also indicates tha

Tone
Neutral 50/100
Event
Deals and strategy
Published
15 May 2026 20:09
Source
Stock Titan
Stock Titan Direct company coverage

Prothena (NASDAQ: PRTA) investors approve board, KPMG and executive pay

Prothena Corporation plc shareholders re-elected two directors, Shane M. Cooke and Dennis J. Selkoe, to the Board until 2029. They also ratified KPMG LLP as the independent registered public accounting firm for fiscal year 2026 and approved the compensation of the company's named

Tone
Neutral 50/100
Event
Market update
Published
15 May 2026 20:09
Source
Stock Titan
Associated Press Direct company coverage

Prothena: Q1 Earnings Snapshot

Tone
Neutral 50/100
Event
Earnings
Published
07 May 2026 20:43
Source
Associated Press