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Filing Details

Accession Number:: 0001104659-18-037319
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2018-05-31 21:43:23
Reporting Period:: 2018-05-29

Accepted Time:: 2018-05-31 21:43:23
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1727196	Scholar Rock Holding Corp	SRRK	()	DE

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1493463	Polaris Venture Partners Vi, L.p.	One Marina Park Drive, 10Th Floor Boston MA 02210	No	No	Yes	No
1575691	Polaris Venture Partners Founders' Fund Vi, L.p.	One Marina Park Drive, 10Th Floor Boston MA 02210	No	No	Yes	No
1665594	Polaris Venture Management Co. Vi, L.l.c.	One Marina Park Drive, 10Th Floor Boston MA 02210	No	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2018-05-29	330,948	$0.00	330,948	No	4	C	Indirect	See Footnotes
Common Stock	Acquisiton	2018-05-29	19,340	$0.00	19,340	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2018-05-29	493,705	$0.00	824,653	No	4	C	Indirect	See Footnotes
Common Stock	Acquisiton	2018-05-29	28,851	$0.00	48,191	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2018-05-29	479,634	$0.00	1,304,287	No	4	C	Indirect	See Footnotes
Common Stock	Acquisiton	2018-05-29	28,028	$0.00	76,219	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2018-05-29	260,670	$0.00	1,564,957	No	4	C	Indirect	See Footnotes
Common Stock	Acquisiton	2018-05-29	15,233	$0.00	91,452	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2018-05-29	693,294	$0.00	2,258,251	No	4	C	Indirect	See Footnotes
Common Stock	Acquisiton	2018-05-29	40,514	$0.00	131,966	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2018-05-29	283,090	$0.00	2,541,341	No	4	C	Indirect	See Footnotes
Common Stock	Acquisiton	2018-05-29	16,542	$0.00	148,508	No	4	C	Indirect	See Footnote
Common Stock	Acquisiton	2018-05-29	134,970	$14.00	2,676,311	No	4	P	Indirect	See Footnotes
Common Stock	Acquisiton	2018-05-29	7,887	$14.00	156,395	No	4	P	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	C	Indirect	See Footnotes
No	4	C	Indirect	See Footnote
No	4	C	Indirect	See Footnotes
No	4	C	Indirect	See Footnote
No	4	C	Indirect	See Footnotes
No	4	C	Indirect	See Footnote
No	4	C	Indirect	See Footnotes
No	4	C	Indirect	See Footnote
No	4	C	Indirect	See Footnotes
No	4	C	Indirect	See Footnote
No	4	C	Indirect	See Footnotes
No	4	C	Indirect	See Footnote
No	4	P	Indirect	See Footnotes
No	4	P	Indirect	See Footnote

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Series A-1 Preferred Stock	Disposition	2018-05-29	944,789	$0.00	330,948	$0.00
Common Stock	Series A-1 Preferred Stock	Disposition	2018-05-29	55,211	$0.00	19,340	$0.00
Common Stock	Series A-2 Preferred Stock	Disposition	2018-05-29	1,409,429	$0.00	493,705	$0.00
Common Stock	Series A-2 Preferred Stock	Disposition	2018-05-29	82,363	$0.00	28,851	$0.00
Common Stock	Series A-3 Preferred Stock	Disposition	2018-05-29	1,369,259	$0.00	479,634	$0.00
Common Stock	Series A-3 Preferred Stock	Disposition	2018-05-29	80,016	$0.00	28,028	$0.00
Common Stock	Series A-4 Preferred Stock	Disposition	2018-05-29	744,162	$0.00	260,670	$0.00
Common Stock	Series A-4 Preferred Stock	Disposition	2018-05-29	43,487	$0.00	15,233	$0.00
Common Stock	Series B Preferred Stock	Disposition	2018-05-29	1,979,216	$0.00	693,294	$0.00
Common Stock	Series B Preferred Stock	Disposition	2018-05-29	115,659	$0.00	40,514	$0.00
Common Stock	Series C Preferred Stock	Disposition	2018-05-29	808,166	$0.00	283,090	$0.00
Common Stock	Series C Preferred Stock	Disposition	2018-05-29	47,225	$0.00	16,542	$0.00

Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
No	4	C	Indirect
No	4	C	Indirect
No	4	C	Indirect
No	4	C	Indirect
No	4	C	Indirect
No	4	C	Indirect
No	4	C	Indirect
No	4	C	Indirect
No	4	C	Indirect
No	4	C	Indirect
No	4	C	Indirect
No	4	C	Indirect

Footnotes

Each share of Preferred Stock automatically converted into Common Stock, for no additional payment or consideration, on a 2.8548-for-1 basis upon the closing of the Issuer's initial public offering on May 29, 2018 and had no expiration date.
The reportable securities are owned directly by Polaris Venture Partners VI, L.P. ("PVP VI"). Polaris Venture Management Co. VI, L.L.C. ("PVM VI") is the general partner of PVP VI. PVM VI is managed by its managing members, one of whom is Dr. Amir Nashat, a member of the Issuer's Board of Directors (collectively, the "Managing Members"). PVM VI may be deemed to have sole voting and dispositive power with respect to the shares held by PVP VI and the Managing Members may each be deemed to have shared voting and dispositive power with respect to the shares held by PVP VI.
Each of PVM VI and the Managing Members disclaims beneficial ownership of these securities and this report shall not be deemed an admission that PVM VI or any of the Managing Members is a beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.
The reportable securities are owned directly by Polaris Venture Partners Founders' Fund VI, L.P. ("PVPFF VI"). PVM VI is the general partner of PVPFF VI. PVM VI may be deemed to have sole voting and dispositive power with respect to the shares held by PVPFF VI and the Managing Members may each be deemed to have shared voting and dispositive power with respect to the shares held by PVPFF VI. Each of PVM VI and the Managing Members disclaims beneficial ownership of these securities and this report shall not be deemed an admission that PVM VI or any of the Managing Members is a beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.