<SEC-DOCUMENT>0001104659-17-044735-index.html : 20170713
<SEC-HEADER>0001104659-17-044735.hdr.sgml : 20170713
<ACCEPTANCE-DATETIME>20170712215151
ACCESSION NUMBER:		0001104659-17-044735
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20170713
DATE AS OF CHANGE:		20170712

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SELECTA BIOSCIENCES INC
		CENTRAL INDEX KEY:			0001453687
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-219262
		FILM NUMBER:		17962578

	BUSINESS ADDRESS:	
		STREET 1:		480 ARSENAL WAY
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472
		BUSINESS PHONE:		617-923-1400

	MAIL ADDRESS:	
		STREET 1:		480 ARSENAL WAY
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>a17-17173_1s3.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: a17-17173_1s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>a17-17173_1ex5d1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: a17-17173_1ex5d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>a17-17173_1ex23d2.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 3 - file: a17-17173_1ex23d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g171731kii001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g171731kii001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g171731bei001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g171731bei001.jpg

</DOCUMENT>
</SEC-DOCUMENT>