<SEC-DOCUMENT>0001104659-18-037319-index.html : 20180531
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<ACCEPTANCE-DATETIME>20180531214323
ACCESSION NUMBER:		0001104659-18-037319
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180529
FILED AS OF DATE:		20180531
DATE AS OF CHANGE:		20180531

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Polaris Venture Management Co. VI, L.L.C.
		CENTRAL INDEX KEY:			0001665594
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38501
		FILM NUMBER:		18873313

	BUSINESS ADDRESS:	
		STREET 1:		ONE MARINA PARK DRIVE
		STREET 2:		10TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		(855) 787-3500

	MAIL ADDRESS:	
		STREET 1:		ONE MARINA PARK DRIVE
		STREET 2:		10TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Polaris Venture Partners VI, L.P.
		CENTRAL INDEX KEY:			0001493463
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38501
		FILM NUMBER:		18873312

	BUSINESS ADDRESS:	
		STREET 1:		ONE MARINA PARK DRIVE, 10TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		781-290-0770

	MAIL ADDRESS:	
		STREET 1:		ONE MARINA PARK DRIVE, 10TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Polaris Venture Partners Founders' Fund VI, L.P.
		CENTRAL INDEX KEY:			0001575691
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38501
		FILM NUMBER:		18873311

	BUSINESS ADDRESS:	
		STREET 1:		ONE MARINA PARK DRIVE, 10TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		885-787-3500

	MAIL ADDRESS:	
		STREET 1:		ONE MARINA PARK DRIVE, 10TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Scholar Rock Holding Corp
		CENTRAL INDEX KEY:			0001727196
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				823750435
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		620 MEMORIAL DRIVE, 2ND FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		857-259-3860

	MAIL ADDRESS:	
		STREET 1:		620 MEMORIAL DRIVE, 2ND FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
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