    <SEC-DOCUMENT>0001453687-17-000067-index.html : 20171114
    <SEC-HEADER>0001453687-17-000067.hdr.sgml : 20171114
    <ACCEPTANCE-DATETIME>20171114073057
    ACCESSION NUMBER:		0001453687-17-000067
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		22
    CONFORMED PERIOD OF REPORT:	20171114
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20171114
    DATE AS OF CHANGE:		20171114

    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:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37798
    		FILM NUMBER:		171198324

    	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>8-K
    <SEQUENCE>1
    <FILENAME>selectabiosciences8k_inves.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: selectabiosciences8k_inves.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>a991selectastifelpresent.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: a991selectastifelpresent.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>a991selectastifelpresent001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: a991selectastifelpresent001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>a991selectastifelpresent002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: a991selectastifelpresent002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>a991selectastifelpresent003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: a991selectastifelpresent003.jpg

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    <DOCUMENT>
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    <SEQUENCE>6
    <FILENAME>a991selectastifelpresent004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: a991selectastifelpresent004.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>a991selectastifelpresent005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: a991selectastifelpresent005.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>a991selectastifelpresent006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: a991selectastifelpresent006.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>a991selectastifelpresent007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: a991selectastifelpresent007.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>a991selectastifelpresent008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: a991selectastifelpresent008.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>a991selectastifelpresent009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: a991selectastifelpresent009.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>a991selectastifelpresent010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: a991selectastifelpresent010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>a991selectastifelpresent011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: a991selectastifelpresent011.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>a991selectastifelpresent012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: a991selectastifelpresent012.jpg

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    <SEQUENCE>15
    <FILENAME>a991selectastifelpresent013.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: a991selectastifelpresent013.jpg

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    <SEQUENCE>16
    <FILENAME>a991selectastifelpresent014.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: a991selectastifelpresent014.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>a991selectastifelpresent015.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: a991selectastifelpresent015.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>a991selectastifelpresent016.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: a991selectastifelpresent016.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>a991selectastifelpresent017.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: a991selectastifelpresent017.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>a991selectastifelpresent018.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: a991selectastifelpresent018.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>a991selectastifelpresent019.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: a991selectastifelpresent019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>a991selectastifelpresent020.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: a991selectastifelpresent020.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>