Jay T. Backstrom - Feb 13, 2023 Form 4 Insider Report for Scholar Rock Holding Corp (SRRK)

Role: CHIEF EXECUTIVE OFFICER
Signature: /s/ Junlin Ho, Attorney-in-Fact for Jay T. Backstrom
Stock symbol: SRRK
Transactions as of: Feb 13, 2023
Transactions value $: $0
Form type: 4
Date filed: 2/15/2023, 03:37 PM
Previous filing: Jan 3, 2023
Next filing: Feb 13, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SRRK	Common Stock	Award	$0	+150K		$0.00	150K	Feb 13, 2023	Direct	F1

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
transaction	SRRK	Stock Option (Right to Buy)	Award	$0	+200K		$0.00	200K	Feb 13, 2023	Common Stock	200K	$10.00	Direct	F2

* 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 vest in four annual installments over four years, with the first annual installment to vest on February 15, 2024 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date.
F2	Options to vest in sixteen quarterly installments over four years, with the first quarterly installment to vest on April 1, 2023 and each additional installment to vest quarterly thereafter; provided the individual continues to have a service relationship with the Issuer on such vesting date.

Content

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 vest in four annual installments over four years, with the first annual installment to vest on February 15, 2024 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date.

Options to vest in sixteen quarterly installments over four years, with the first quarterly installment to vest on April 1, 2023 and each additional installment to vest quarterly thereafter; provided the individual continues to have a service relationship with the Issuer on such vesting date.