<SEC-DOCUMENT>0001193125-18-109307-index.html : 20180406
<SEC-HEADER>0001193125-18-109307.hdr.sgml : 20180406
<ACCEPTANCE-DATETIME>20180406083733
ACCESSION NUMBER:		0001193125-18-109307
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		7
CONFORMED PERIOD OF REPORT:	20180406
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180406
DATE AS OF CHANGE:		20180406

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYNLOGIC, INC.
		CENTRAL INDEX KEY:			0001527599
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				261824804
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37566
		FILM NUMBER:		18741957

	BUSINESS ADDRESS:	
		STREET 1:		301 BINNEY STREET
		STREET 2:		SUITE 402
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		617-401-9975

	MAIL ADDRESS:	
		STREET 1:		301 BINNEY STREET
		STREET 2:		SUITE 402
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Mirna Therapeutics, Inc.
		DATE OF NAME CHANGE:	20110809
</SEC-HEADER>
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<TEXT>
Document 1 - file: d564416d8k.htm

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<FILENAME>d564416dex11.htm
<DESCRIPTION>EX-1.1
<TEXT>
Document 2 - file: d564416dex11.htm

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<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>d564416dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 3 - file: d564416dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>4
<FILENAME>d564416dex101.htm
<DESCRIPTION>EX-10.1
<TEXT>
Document 4 - file: d564416dex101.htm

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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>5
<FILENAME>d564416dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 5 - file: d564416dex991.htm

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<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g564416g0406041428793.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g564416g0406041428793.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g564416g0406072107804.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g564416g0406072107804.jpg

</DOCUMENT>
</SEC-DOCUMENT>