<SEC-DOCUMENT>0001735276-18-000072-index.html : 20180928
<SEC-HEADER>0001735276-18-000072.hdr.sgml : 20180928
<ACCEPTANCE-DATETIME>20180928165511
ACCESSION NUMBER:		0001735276-18-000072
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180927
FILED AS OF DATE:		20180928
DATE AS OF CHANGE:		20180928

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mason Michael
		CENTRAL INDEX KEY:			0001514291

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36407
		FILM NUMBER:		181094757

	MAIL ADDRESS:	
		STREET 1:		300 3RD STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALNYLAM PHARMACEUTICALS, INC.
		CENTRAL INDEX KEY:			0001178670
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				770602661
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		300 THIRD STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		(617) 551-8200

	MAIL ADDRESS:	
		STREET 1:		300 THIRD STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALNYLAM PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	20020724
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: edgardoc.html

Document 1 - RAW XML: edgardoc.xml

</DOCUMENT>
</SEC-DOCUMENT>