77 SIR JOHN ROGERSON'S QUAY, BLOCK C, DUBLIN 2, L2
Changes in Board, Management or Compensation
Reports Second Quarter 2026 Financial Results and Business Highlights
Shareholder Meeting Results - Prothena Corporation Re-Elects Directors
Reports First Quarter 2026 Financial Results and Business Highlights
Annual Report to Security Holders
Announces up to $100 Million Share Repurchase Plan
Financial Results, Press Release
News
Q2
Q1
FY 2024
Q3
FY 2023
Effectiveness Notice
Registration Statement for Securities to be Offered to Employees
S-3ASR
Prospectus filed pursuant to Rule 424(b)(5)
Additional Proxy Materials
Definitive Proxy Statement
PRE 14A
Statement of Changes in Beneficial Ownership
Initial Statement of Beneficial Ownership
Automatic Shelf Registration Statement
Post-Effective Amendment to Registration Statement