<SEC-DOCUMENT>0001193125-17-309879-index.html : 20171013
<SEC-HEADER>0001193125-17-309879.hdr.sgml : 20171013
<ACCEPTANCE-DATETIME>20171013162032
ACCESSION NUMBER:		0001193125-17-309879
CONFORMED SUBMISSION TYPE:	424B4
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20171013
DATE AS OF CHANGE:		20171013

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ANAPTYSBIO INC
		CENTRAL INDEX KEY:			0001370053
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				203828755
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B4
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-220881
		FILM NUMBER:		171136781

	BUSINESS ADDRESS:	
		STREET 1:		10421 PACIFIC CENTER COURT, SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-362-6295

	MAIL ADDRESS:	
		STREET 1:		10421 PACIFIC CENTER COURT, SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ANAPTYS BIOSCIENCES INC
		DATE OF NAME CHANGE:	20060724
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B4
<SEQUENCE>1
<FILENAME>d453477d424b4.htm
<DESCRIPTION>424B4
<TEXT>
Document 1 - file: d453477d424b4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g453477g04v98.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g453477g04v98.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g453477g14h75.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g453477g14h75.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g453477g71b77.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g453477g71b77.jpg

</DOCUMENT>
</SEC-DOCUMENT>