Scholar Rock Holding Corp — Director's Dealing 2018

Jun 1, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Scholar Rock Holding Corp (SRRK)
CIK: 0001727196
Period of Report: 2018-05-29

Reporting Person: Burow Kristina (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-29	Common Stock	C	437859	—	Acquired	437859	Indirect
2018-05-29	Common Stock	C	634579	—	Acquired	1072438	Indirect
2018-05-29	Common Stock	C	551807	—	Acquired	1624245	Indirect
2018-05-29	Common Stock	C	719559	—	Acquired	2343804	Indirect
2018-05-29	Common Stock	C	293813	—	Acquired	2637617	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-29	Series A-2 Preferred	$	C	1249999	Disposed		Common Stock (437859)	Indirect
2018-05-29	Series A-3 Preferred	$	C	1811595	Disposed		Common Stock (634579)	Indirect
2018-05-29	Series A-4 Preferred	$	C	1575299	Disposed		Common Stock (551807)	Indirect
2018-05-29	Series B Preferred	$	C	2054197	Disposed		Common Stock (719559)	Indirect
2018-05-29	Series C Preferred	$	C	838780	Disposed		Common Stock (293813)	Indirect

Footnotes

F1: Each share of Preferred Stock automatically converted into Common Stock, for no additional payment or consideration, on a 2.8548-for-1 basis at the closing of the Issuer's initial public offering on May 29, 2018 and had no expiration date.

F2: The reportable securities are owned directly by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII"). The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"). ARCH Partners VIII may be deemed to share beneficial ownership over the securities held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"). ARCH VIII LLC may be deemed to share beneficial ownership over the securities held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

F3: The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The Reporting Person is a managing director of ARCH Partners VIII. The Reporting Person owns an interest in ARCH Partners VIII but does not have voting or investment control over the shares held by the fund, and disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.