Sep 1, 2021 04:05PM Prothena to Participate in Upcoming September Healthcare Conferences

May 26, 2021 05:36AM UPDATE: Citi Starts Prothena Corp (PRTA) at Buy

Mar 24, 2021 08:04AM Prothena Corp. (PRTA) Prices 3.5M Offering of Ordinary Shares at $20.75/sh

Mar 24, 2021 08:00AM Prothena Announces Pricing of Public Offering of 3,500,000 Ordinary Shares

Mar 24, 2021 08:00AM Prothena Announces Pricing of Public Offering of 3,500,000 Ordinary Shares

Mar 23, 2021 04:29PM Prothena Corp. (PRTA) Announces Proposed Offering of Ordinary Shares

Mar 23, 2021 04:29PM Prothena Announces Proposed Offering of Ordinary Shares

Mar 23, 2021 04:29PM Prothena Announces Proposed Offering of Ordinary Shares

Aug 27, 2019 09:27AM Pre-Open 08/27: (CAL) (JILL) (MO) Higher (SJM) (PM) (RRGB) Lower (more...)

May 21, 2018 09:17AM Pre-Open Stock Movers 05/21: (MBFI) (NBRV) (SHLD) Higher; (PRTA) (QD) (APPF) Lower (more...)

Mar 20, 2018 04:07PM Prothena Corp. (PRTA) Announces Pact with Celgene (CELG) for Novel Therapies for Patients with Neurodegenerative Diseases

Mar 20, 2018 04:05PM Prothena Announces Global Neuroscience Research & Development Collaboration with Celgene for Novel Therapies for Patients with Neurodegenerative Diseases

Mar 20, 2018 04:05PM Prothena Announces Global Neuroscience Research & Development Collaboration with Celgene for Novel Therapies for Patients with Neurodegenerative Diseases

Mar 20, 2018 04:05PM Prothena Announces Global Neuroscience Research & Development Collaboration with Celgene for Novel Therapies for Patients with Neurodegenerative Diseases

Aug 4, 2015 04:05PM Prothena Reports Second Quarter 2015 Financial Results and Provides R&D Update

Feb 17, 2015 01:17PM Cooperman's Omega Advisors Adds to eBay (EBAY), Groupon (GRPN); Lowers Apple (AAPL); Liquidates Alibaba (BABA) (more...)

Nov 14, 2014 12:44PM Cooperman's Omega Advisors Takes Stake in Alibaba (BABA), Groupon (GRPN); Cuts-Out SeaWorld (SEAS) - 13F

Aug 14, 2014 01:50PM Cooperman's Omega Advisors 13F Shows Apple (AAPL), SeaWorld (SEAS) Entries; Adds to Supervalu (SVU) (more...)

Apr 9, 2014 06:57AM Citi Starts Prothena Corp (PRTA) at Buy

Mar 19, 2014 09:26AM Pre-Open Stock Movers 3/19: (HZNP) (PRTA) (KBH) Higher; (RENN) (RBCN) (KNDI) (ORCL) Lower (more...)

Jan 29, 2014 09:32AM Pre-Open Stock Movers 1/29: (VRNG) (FSL) (DOW) Higher; (PGNX) (TUP) (BA) Lower (more...)

Jan 29, 2014 08:49AM Perrigo Unit to Sell 2.77M Prothena (PRTA) Shares at $26 Apiece

Jan 27, 2014 04:28PM Prothena (PRTA) Announces 2.77M Common Secondary Offering