<SEC-DOCUMENT>0000080255-23-002614-index.html : 20230214 <SEC-HEADER>0000080255-23-002614.hdr.sgml : 20230214 <ACCEPTANCE-DATETIME>20230214123804 ACCESSION NUMBER: 0000080255-23-002614 CONFORMED SUBMISSION TYPE: SC 13G/A CONFIRMING COPY: PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230214 DATE AS OF CHANGE: 20230214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: PROTHENA CORP PUBLIC LTD CO CENTRAL INDEX KEY: 0001559053 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: L2 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-87112 BUSINESS ADDRESS: STREET 1: 77 SIR JOHN ROGERSON'S QUAY, BLOCK C STREET 2: GRAND CANAL DOCKLANDS CITY: DUBLIN 2 STATE: L2 ZIP: D02 VK60 BUSINESS PHONE: 011-353-1-236-2500 MAIL ADDRESS: STREET 1: 77 SIR JOHN ROGERSON'S QUAY, BLOCK C STREET 2: GRAND CANAL DOCKLANDS CITY: DUBLIN 2 STATE: L2 ZIP: D02 VK60 FORMER COMPANY: FORMER CONFORMED NAME: Prothena Corp plc DATE OF NAME CHANGE: 20121102 FORMER COMPANY: FORMER CONFORMED NAME: Neotope Corp Ltd DATE OF NAME CHANGE: 20120926 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PRICE T ROWE ASSOCIATES INC /MD/ CENTRAL INDEX KEY: 0000080255 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES [6200] IRS NUMBER: 520556948 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 100 EAST PRATT ST CITY: BALTIMORE STATE: MD ZIP: 21202 BUSINESS PHONE: (410)345-2000 MAIL ADDRESS: STREET 1: P.O. BOX 89000 CITY: BALTIMORE STATE: MD ZIP: 21289 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>prta13gadec22.txt <TEXT> Document 1 - file: prta13gadec22.txt
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