<SEC-DOCUMENT>0001140361-19-005887-index.html : 20190328
<SEC-HEADER>0001140361-19-005887.hdr.sgml : 20190328
<ACCEPTANCE-DATETIME>20190328161617
ACCESSION NUMBER:		0001140361-19-005887
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20190328
DATE AS OF CHANGE:		20190328
EFFECTIVENESS DATE:		20190328

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Prothena Corp plc
		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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35676
		FILM NUMBER:		19712147

	BUSINESS ADDRESS:	
		STREET 1:		77 SIR JOHN ROGERSON'S QUAY, BLOCK C
		STREET 2:		GRAND CANAL DOCKLANDS
		CITY:			DUBLIN 2
		STATE:			L2
		ZIP:			D02 T804
		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 T804

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Neotope Corp Ltd
		DATE OF NAME CHANGE:	20120926
</SEC-HEADER>
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<TYPE>DEFA14A
<SEQUENCE>1
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<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: bp18004x2_defa14a.htm

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<SEQUENCE>2
<FILENAME>bp18004x2_image01.jpg
<TEXT>
Document 2 - file: bp18004x2_image01.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>bp18004x2_image02.jpg
<TEXT>
Document 3 - file: bp18004x2_image02.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>bp18004x2_image03.jpg
<TEXT>
Document 4 - file: bp18004x2_image03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>bp18004x2_image04.jpg
<TEXT>
Document 5 - file: bp18004x2_image04.jpg

</DOCUMENT>
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