• Prothena held its annual general meeting on May 14, 2026.
• Shareholders re-elected Shane M. Cooke, Dennis J. Selkoe to board terms running to no later than 2029.
• KPMG LLP appointment was ratified as independent registered public accounting firm for fiscal year ending Dec. 31, 2026; board, acting through Audit Committee, was authorized to approve auditor remuneration.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Prothena Corporation plc published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-226968), on May 15, 2026, and is solely responsible for the information contained therein.