Mo Qatanani - Jun 21, 2023 Form 3 Insider Report for Scholar Rock Holding Corp (SRRK)

Role: SVP and Head of Research
Signature: /s/ Junlin Ho, Attorney-in-Fact for Mo Qatanani
Stock symbol: SRRK
Transactions as of: Jun 21, 2023
Transactions value $: $0
Form type: 3
Date filed: 6/22/2023, 06:39 PM
Next filing: Sep 20, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	SRRK	Common Stock						21K	Jun 21, 2023	Direct	F1
holding	SRRK	Common Stock						22.5K	Jun 21, 2023	Direct	F2
holding	SRRK	Common Stock						22.4K	Jun 21, 2023	Direct	F3
holding	SRRK	Common Stock						5.13K	Jun 21, 2023	Direct	F4
holding	SRRK	Common Stock						33.8K	Jun 21, 2023	Direct	F5

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)							Jun 21, 2023	Common Stock	70K	$26.05	Direct	F6
holding	SRRK	Stock Option (Right to Buy)							Jun 21, 2023	Common Stock	22.5K	$18.08	Direct	F7
holding	SRRK	Stock Option (Right to Buy)							Jun 21, 2023	Common Stock	22.4K	$4.86	Direct	F8
holding	SRRK	Stock Option (Right to Buy)							Jun 21, 2023	Common Stock	5.13K	$7.62	Direct	F9
holding	SRRK	Stock Option (Right to Buy)							Jun 21, 2023	Common Stock	45K	$10.00	Direct	F10

* 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 vesting on September 15, 2022 and each additional installment to vest annually thereafter; provided the individual continues to have a service relationship with the Company 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 vest in four annual installments over four years, with the first annual installment vesting on January 15, 2023 and each additional installment to vest annually thereafter; provided the individual continues to have a service relationship with the Company on such vesting date.
F3	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 vest in three annual installments over three years, with the first annual installment vesting on June 15, 2023 and each additional installment to vest annually thereafter; provided the individual continues to have a service relationship with the Company on such vesting date.
F4	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 vest in four annual installments over four years, with the first annual installment vesting on September 15, 2023 and each additional installment to vest annually thereafter; provided the individual continues to have a service relationship with the Company on such vesting date.
F5	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 vest in four annual installments over four years, with the first annual installment vesting on February 15, 2024 and each additional installment to vest annually thereafter; provided the individual continues to have a service relationship with the Company on such vesting date.
F6	43,750 shares remain unvested under this stock option. The first vesting event occurred on September 30, 2022 and the remainder will vest in twelve quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date.
F7	15,469 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.
F8	14,950 shares remain unvested under this stock option. The first vesting event occurred on September 16, 2022 and the remainder will vest in eleven quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date.
F9	4,485 shares remain unvested under this stock option. The first vesting event occurred on January 5, 2023 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.
F10	42,188 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2023 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.