<SEC-DOCUMENT>0001047469-18-006015-index.html : 20180907
<SEC-HEADER>0001047469-18-006015.hdr.sgml : 20180907
<ACCEPTANCE-DATETIME>20180906214356
ACCESSION NUMBER:		0001047469-18-006015
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20180907
DATE AS OF CHANGE:		20180906

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Protagonist Therapeutics, Inc
		CENTRAL INDEX KEY:			0001377121
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				980505495
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-227216
		FILM NUMBER:		181058809

	BUSINESS ADDRESS:	
		STREET 1:		7707 GATEWAY BLVD., SUITE 140
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560-1160
		BUSINESS PHONE:		(510) 474-0170

	MAIL ADDRESS:	
		STREET 1:		7707 GATEWAY BLVD., SUITE 140
		CITY:			NEWARK
		STATE:			CA
		ZIP:			94560-1160

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Protagonist Therapeutics Inc
		DATE OF NAME CHANGE:	20130605

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Protagonist Inc
		DATE OF NAME CHANGE:	20061002
</SEC-HEADER>
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<TYPE>S-3
<SEQUENCE>1
<FILENAME>a2236589zs-3.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: a2236589zs-3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>a2236589zex-5_1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: a2236589zex-5_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>3
<FILENAME>a2236589zex-10_1.htm
<DESCRIPTION>EX-10.1
<TEXT>
Document 3 - file: a2236589zex-10_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>a2236589zex-23_1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 4 - file: a2236589zex-23_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g921274.jpg
<DESCRIPTION>G921274.JPG
<TEXT>
Document 5 - file: g921274.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g230562kii001.jpg
<DESCRIPTION>G230562KII001.JPG
<TEXT>
Document 6 - file: g230562kii001.jpg

</DOCUMENT>
</SEC-DOCUMENT>