Prothena Corp Public Ltd Co

PRTA chart

Prothena Corp Public Ltd Co news

• How Investors May Respond To Novo Nordisk (CPSE:NOVO B) Obesity Drug Competition

  Yahoo Finance · Oct 20, 9:11 PM EDT

• Prothena's Partnership Strategy: Growth Driver or Limitation?

  Yahoo Finance · Oct 20, 11:34 AM EDT

• CRMD vs. PRTA: Which Stock Should Value Investors Buy Now?

  Yahoo Finance · Oct 8, 10:40 AM EDT

• 4 Alzheimer's Drug Stocks to Watch on World Alzheimer's Day

  Yahoo Finance · Sep 21, 12:40 PM EDT

• Prothena to Participate in the H.C. Wainwright 28th Annual Global Investment Conference

  Yahoo Finance · Sep 9, 4:05 PM EDT

• Real Parkinson’s Disease Hope from Jupiter Neurosciences

  Yahoo Finance · Aug 19, 12:32 PM EDT

• KMDA or PRTA: Which Is the Better Value Stock Right Now?

  Yahoo Finance · Aug 14, 11:40 AM EDT

• PRTA's Q2 Loss Narrower Than Expected, Pipeline Progress in Focus

  Yahoo Finance · Aug 7, 1:41 PM EDT

• Prothena (PRTA) Reports Q2 Loss, Misses Revenue Estimates

  Yahoo Finance · Aug 6, 7:10 PM EDT

• Prothena Reports Second Quarter 2026 Financial Results and Business Highlights

  Yahoo Finance · Aug 6, 4:05 PM EDT

• Prothena to Report Second Quarter 2026 Financial Results on August 6

  Yahoo Finance · Jul 30, 4:05 PM EDT

• PRTA Stock Rises Nearly 11% in Six Months: What's Driving It?

  Yahoo Finance · Jul 9, 11:38 AM EDT

Prothena Corp Public Ltd Co key financials

Calendar-year figures as reported to the SEC in XBRL filings.

Recent SEC filings

• 8-K8-K2026-10-02
• 10-Q10-Q2026-08-06
• 8-K8-K2026-08-06
• 8-K8-K2026-05-15
• 10-Q10-Q2026-05-07
• 8-K8-K2026-05-07
• DEF 14ADEF 14A2026-03-27
• 8-K8-K2026-02-27
• 10-K10-K2026-02-27
• 8-K8-K2026-02-19
• 8-K8-K2025-12-12
• 8-K8-K2025-11-19

About Prothena Corp Public Ltd Co

Ticker

PRTA (Nasdaq)

Industry

Pharmaceutical Preparations

Headquarters

Dublin 2, Ireland

Incorporated in

Ireland

Fiscal year end

December 31

SEC CIK

1559053

Former names

Prothena Corp plc, Neotope Corp Ltd

Frequently asked questions