<SEC-DOCUMENT>0001140361-22-009119-index.html : 20220311
<SEC-HEADER>0001140361-22-009119.hdr.sgml : 20220311
<ACCEPTANCE-DATETIME>20220311160530
ACCESSION NUMBER:		0001140361-22-009119
CONFORMED SUBMISSION TYPE:	PRE 14A
PUBLIC DOCUMENT COUNT:		9
CONFORMED PERIOD OF REPORT:	20220517
FILED AS OF DATE:		20220311
DATE AS OF CHANGE:		20220311

FILER:

	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:		PRE 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35676
		FILM NUMBER:		22733149

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>PRE 14A
<SEQUENCE>1
<FILENAME>ny20001664x1_pre14a.htm
<DESCRIPTION>SCHEDULE 14A
<TEXT>
Document 1 - file: ny20001664x1_pre14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>logo_prothena.jpg
<TEXT>
Document 2 - file: logo_prothena.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>ny20001664x1_diversitymatrix.jpg
<TEXT>
Document 3 - file: ny20001664x1_diversitymatrix.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ny20001664x1_dosanddonts.jpg
<TEXT>
Document 4 - file: ny20001664x1_dosanddonts.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ny20001664x1_pc1.jpg
<TEXT>
Document 5 - file: ny20001664x1_pc1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>ny20001664x1_pc2.jpg
<TEXT>
Document 6 - file: ny20001664x1_pc2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>ny20001664x1_piechart1.jpg
<TEXT>
Document 7 - file: ny20001664x1_piechart1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>ny20001664x1_skills.jpg
<TEXT>
Document 8 - file: ny20001664x1_skills.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>sig_yvonnemtchrakian.jpg
<TEXT>
Document 9 - file: sig_yvonnemtchrakian.jpg

</DOCUMENT>
</SEC-DOCUMENT>