<SEC-DOCUMENT>0001722024-17-000004-index.html : 20171120
<SEC-HEADER>0001722024-17-000004.hdr.sgml : 20171120
<ACCEPTANCE-DATETIME>20171120100101
ACCESSION NUMBER:		0001722024-17-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171115
FILED AS OF DATE:		20171120
DATE AS OF CHANGE:		20171120

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Alexandria Venture Investments, LLC
		CENTRAL INDEX KEY:			0001722024
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38295
		FILM NUMBER:		171212832

	BUSINESS ADDRESS:	
		STREET 1:		385 EAST COLORADO BOULEVARD
		STREET 2:		SUITE 299
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91101
		BUSINESS PHONE:		626-578-0777

	MAIL ADDRESS:	
		STREET 1:		385 EAST COLORADO BOULEVARD
		STREET 2:		SUITE 299
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91101

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Arsanis, Inc.
		CENTRAL INDEX KEY:			0001501697
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				273181608
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		890 WINTER STREET, SUITE 230
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		781-819-5704

	MAIL ADDRESS:	
		STREET 1:		890 WINTER STREET, SUITE 230
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_151119004239433.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_151119004239433.html

Document 1 - RAW XML: wf-form4_151119004239433.xml

</DOCUMENT>
</SEC-DOCUMENT>