Company news
Prothena Corporation plc news
Latest news releases, newest first. Pick a year for every news release, call and deck from that year.
Prothena Announces Appointment of Billy Dunn, M.D., to its Board of Directors
May 15, 2023
Prothena Reports First Quarter 2023 Financial Results and Business Highlights
May 3, 2023
Prothena to Report First Quarter 2023 Financial Results on May 4
April 26, 2023
Prothena Presents New Preclinical Data Supporting Best-in-Class Profile of PRX012, a Next-Generation Anti-Amyloid Beta Antibody, at AD/PD 2023
March 30, 2023
Prothena Reports Fourth Quarter and Full Year 2022 Financial Results, and Provides Financial Guidance and Business Highlights
February 22, 2023
Prothena to Report Fourth Quarter and Full Year 2022 Financial Results on February 23, 2023
February 15, 2023
Prothena Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
February 2, 2023
Prothena Reports Topline Phase 1 Single Ascending Dose Study Results of PRX005, a Novel Anti-MTBR-Tau Antibody for the Potential Treatment of Alzheimer’s Disease
January 30, 2023
Prothena Announces Pricing of Public Offering of 3,250,000 Ordinary Shares
December 13, 2022
Prothena Announces Proposed Public Offering of Ordinary Shares
December 12, 2022
Prothena Announces Achievement of $40 Million Clinical Milestone Payment from Novo Nordisk for PRX004/NNC6019 Under Investigation for the Treatment of ATTR Cardiomyopathy
November 20, 2022
Prothena Reports Third Quarter 2022 Financial Results and Business Highlights
November 2, 2022
Prothena to Report Third Quarter 2022 Financial Results on November 3rd
October 26, 2022
Prothena Announces Appointment of Biotechnology Industry Leader Helen S. Kim to its Board of Directors
August 31, 2022
Prothena Reports Second Quarter 2022 Financial Results and Business Highlights
August 7, 2022
Prothena to Report Second Quarter 2022 Financial Results on August 8th
July 31, 2022
Prothena Reports First Quarter 2022 Financial Results and Business Highlights
May 4, 2022
Prothena to Report First Quarter 2022 Financial Results on May 5th
April 27, 2022
Prothena Receives FDA Fast Track Designation for PRX012, a Next-Generation Anti-Amyloid Beta Antibody Under Investigation for the Treatment of Alzheimer’s Disease
April 25, 2022
Prothena Announces FDA Clearance of IND for PRX012, a Subcutaneous Anti-Amyloid Beta Antibody Under Investigation for the Treatment of Alzheimer’s Disease
March 27, 2022
Prothena Presents New Data for Alzheimer’s and Parkinson’s Disease Programs at AD/PD 2022
March 15, 2022
Prothena Reports Fourth Quarter and Full Year 2021 Financial Results, and Provides Financial Guidance and Business Highlights
February 16, 2022
Prothena to Report Fourth Quarter and Full Year 2021 Financial Results and Host Webcast Conference Call on February 17, 2022
February 9, 2022
Prothena Reports Third Quarter 2021 Financial Results and Business Highlights
November 3, 2021
Prothena to Report Third Quarter 2021 Financial Results on November 4th
October 27, 2021
Prothena Announces Executive Appointments
September 30, 2021
Prothena Announces Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)
September 2, 2021
Prothena Reports Second Quarter 2021 Financial Results and Business Highlights
August 4, 2021
Prothena to Report Second Quarter 2021 Financial Results on August 5th
July 28, 2021
Prothena Presents New Data from Robust Alzheimer’s Portfolio at the Alzheimer’s Association International Conference 2021
July 25, 2021
Prothena and Novo Nordisk Announce Acquisition Agreement for Prothena’s ATTR Amyloidosis Programme
July 11, 2021
Prothena Announces Bristol Myers Squibb Opt-in of Anti-Tau PRX005 as the First Program from Global Neuroscience Research and Development Collaboration
June 23, 2021
Prothena Announces Appointment of Sanjiv Patel, MBBS, to its Board of Directors
May 19, 2021
Prothena Reports First Quarter 2021 Financial Results and Provides Updated Financial Guidance and R&D Update
May 10, 2021
Prothena Announces Achievement of $60 Million Milestone From Roche for First Patient Dosed in Phase 2b Study of Prasinezumab in Early Parkinson’s Disease
May 9, 2021
Prothena to Report First Quarter 2021 Financial Results on May 11th
May 3, 2021
Prothena Presents Phase 1 Study Results of PRX004 in Oral Presentation at AAN 2021
April 17, 2021
Prothena Announces PRX004 Phase 1 Study Results Selected for Emerging Science Oral Presentation at AAN 2021
April 14, 2021
Prothena Announces Appointment of Hideki Garren, MD, PhD, as Chief Medical Officer
April 4, 2021
Prothena Announces Pricing of Public Offering of 3,500,000 Ordinary Shares
March 23, 2021
Prothena Announces Proposed Offering of Ordinary Shares
March 22, 2021
Prothena Announces Promising New Preclinical and Clinical Data from its Neurodegenerative Programs Selected for Oral Presentations at AD/PD 2021
February 23, 2021
Prothena Reports Fourth Quarter and Full Year 2020 Financial Results, and Provides Financial Guidance and R&D Update
February 10, 2021
Prothena to Report Fourth Quarter and Full Year 2020 Financial Results and Host Webcast Conference Call on February 11th
February 3, 2021
Prothena Announces Confirmatory Phase 3 AFFIRM-AL Study of Birtamimab in Mayo Stage IV Patients with AL Amyloidosis under SPA Agreement with FDA
January 31, 2021
Prothena Reports Positive 9 Month Results from Phase 1 Long-term Extension Study of PRX004, the First Investigational Anti-Amyloid Immunotherapy for the Treatment of ATTR Amyloidosis
December 8, 2020
Prothena Reports Third Quarter 2020 Financial Results and Provides R&D Update
November 3, 2020
Prothena Announces Presentations on Two Programs from its Alzheimer’s Disease Portfolio at CTAD 2020
November 3, 2020
Prothena to Report Third Quarter 2020 Financial Results on November 4
October 27, 2020
Prothena Announces Updated Timing of Presentation for Phase 2 PASADENA Study Results at International Congress of Parkinson’s Disease and Movement Disorders
September 2, 2020
Calls
The 5 newest of 6 calls. Every call is listed under its year.
- Prothena (NASDAQ:PRTA) Q4 2025 Earnings Call
Feb 19, 2026
Transcript - Prothena (NASDAQ:PRTA) Q4 2024 Earnings Call
Feb 20, 2025
Transcript - Prothena (NASDAQ:PRTA) Q4 2023 Earnings Call
Feb 15, 2024
Transcript - Prothena (NASDAQ:PRTA) Q4 2022 Earnings Call
Feb 23, 2023
Transcript - Prothena (NASDAQ:PRTA) Q4 2021 Earnings Call
Feb 17, 2022
Transcript
Decks
The 5 newest of 10 decks. Every deck is listed under its year.
- Technical Presentation (March 2026)
Technical · 22 slides · Mar 21, 2026
- Q4 2025 Earnings Presentation
Earnings · 31 slides · Feb 19, 2026
- Technical Presentation (November 2025)
Technical · 16 slides · Nov 10, 2025
- ADPD 2025
Conference · 24 slides · Apr 1, 2025
- FY2024 Earnings Presentation
Earnings · 26 slides · Feb 20, 2025