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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1727196	Scholar Rock Holding Corp	SRRK	Biological Products, (No Disgnostic Substances) (2836)	823750435

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1740266	S. Jeffrey Flier	301 Binney Street Cambridge MA 02142		No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2025-05-29	1,100	$29.23	29,045	No	4	S	Direct
Common Stock	Disposition	2025-05-29	4,975	$29.84	24,070	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	22,272	Indirect	See footnote

Footnotes

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted on February 27, 2025 to cover tax withholding obligations upon the vesting and settlement of RSUs.
The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $28.55 to $29.49, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
Consists of 21,413 shares of common stock and 7,632 RSUs.
The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $29.59 to $30.12, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
Consists of 16,438 shares of common stock and 7,632 RSUs.
Represents shares owned directly by The Jeffrey S. Flier Family Trust - 2014, for which the Reporting Person's spouse, Eleftheria Maratos-Flier, and Samuel C. Sichko are trustees. The Reporting Person disclaims Section 16 beneficial ownership of these securities, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.