Caryn Parlavecchio - May 26, 2022 Form 3 Insider Report for Scholar Rock Holding Corp (SRRK)

Role: CHRO
Signature: /s/ Junlin Ho, Attorney-in-Fact for Caryn Parlavecchio
Stock symbol: SRRK
Transactions as of: May 26, 2022
Transactions value $: $0
Form type: 3
Date filed: 5/26/2022, 04:32 PM
Next filing: Jun 21, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	SRRK	Common Stock						16.8K	May 26, 2022	Direct	F1
holding	SRRK	Common Stock						27.5K	May 26, 2022	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	SRRK	Stock Option (Right to Buy)							May 26, 2022	Common Stock	56K	$26.05	Direct	F3
holding	SRRK	Stock Option (Right to Buy)							May 26, 2022	Common Stock	27.5K	$18.08	Direct	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU award will vest annually over four years, with the first annual installment to vest on August 15, 2022 and each additional installment to vest annual thereafter, subject to a continued service relationship with the Issuer on such vesting date.
F2	Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU award will vest annually over four years, with the first annual installment to vest on January 15, 2023 and each additional installment to vest annual thereafter, subject to a continued service relationship with the Issuer on such vesting date.
F3	Options vest over four years with 25% vesting on August 9, 2022 and the remainder vesting in 12 quarterly installments thereafter, provided the reporting person continues to have a service relationship with the Issuer on such vesting date.
F4	25,782 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2022 and the remainder will vest in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date.