<SEC-DOCUMENT>0001104659-21-036307-index.html : 20210315
<SEC-HEADER>0001104659-21-036307.hdr.sgml : 20210315
<ACCEPTANCE-DATETIME>20210315163822
ACCESSION NUMBER:		0001104659-21-036307
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210315
DATE AS OF CHANGE:		20210315
GROUP MEMBERS:		PETER KOLCHINSKY
GROUP MEMBERS:		RA CAPITAL HEALTHCARE FUND, L.P.
GROUP MEMBERS:		RAJEEV SHAH

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Viridian Therapeutics, Inc.\DE
		CENTRAL INDEX KEY:			0001590750
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		IRS NUMBER:				471187261
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88625
		FILM NUMBER:		21742001

	BUSINESS ADDRESS:	
		STREET 1:		6200 LOOKOUT ROAD
		CITY:			BOULDER
		STATE:			CO
		ZIP:			80301
		BUSINESS PHONE:		303-531-5952

	MAIL ADDRESS:	
		STREET 1:		6200 LOOKOUT ROAD
		CITY:			BOULDER
		STATE:			CO
		ZIP:			80301

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MIRAGEN THERAPEUTICS, INC.
		DATE OF NAME CHANGE:	20170213

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MIRAGEN THERAPEUTICS, INC.
		DATE OF NAME CHANGE:	20170213

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIGNAL GENETICS, INC.
		DATE OF NAME CHANGE:	20140710

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RA CAPITAL MANAGEMENT, L.P.
		CENTRAL INDEX KEY:			0001346824
		IRS NUMBER:				830406777
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		200 BERKELEY STREET, 18TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-778-2500

	MAIL ADDRESS:	
		STREET 1:		200 BERKELEY STREET, 18TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RA CAPITAL MANAGEMENT, LLC
		DATE OF NAME CHANGE:	20051213
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tm219638d2_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: tm219638d2_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>