As filed with the Securities and Exchange Commission on March 7, 2023

Registration No. 333-

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-8

REGISTRATION STATEMENT

Under

The Securities Act of 1933

SCHOLAR ROCK HOLDING CORPORATION

(Exact name of registrant as specified in its charter)

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301 Binney Street, 3^rd Floor

Cambridge, MA 02142

(857) 259-3860

(Address of Principal Executive Offices)

Scholar Rock Holding Corporation 2018 Stock Option and Incentive Plan

Scholar Rock Holding Corporation 2018 Employee Stock Purchase Plan

Scholar Rock Holding Corporation 2022 Inducement Equity Plan

(Full Title of the Plans)

Jay T. Backstrom

President and Chief Executive Officer

301 Binney Street, 3^rd Floor

Cambridge, MA 02142

(857) 259-3860

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copy to:

Junlin Ho

Scholar Rock Holding Corporation

301 Binney Street, 3^rd Floor

Cambridge, MA 02142

(857) 259-3860

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☒

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EXPLANATORY NOTE

This Registration Statement on Form S-8 is being filed by Scholar Rock Holding Corporation (the “Registrant”) to register 2,066,903 additional shares of common stock, par value $0.001 per share, reserved for issuance under the Scholar Rock Holding Corporation 2018 Stock Option and Incentive Plan, 353,614 additional shares of common stock, par value $0.001 per share, reserved for issuance under the Scholar Rock Holding Corporation 2018 Employee Stock Purchase Plan and 1,000,000 additional shares of common stock, par value $0.001 per share, reserved and available for issuance under the Scholar Rock Holding Corporation 2022 Inducement Equity Plan.

Pursuant to General Instruction E of Form S-8 regarding Registration of Additional Securities, the contents of the Registration Statements filed on Form S-8 (File No. 333-225192, File No. 333-238082, File No. 333-256065, File No. 333-263349, File No. 333-266658 and File No. 333-268327) filed with the Securities and Exchange Commission on May 24, 2018, May 7, 2020, May 13, 2021 and March 7, 2022, August 8, 2022 and November 14, 2022, respectively, are hereby incorporated by reference in this Registration Statement to the extent not replaced hereby.

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Part II

INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

Item 8. Exhibits.

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Cambridge, Commonwealth of Massachusetts, on the 7th day of March, 2023.

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POWER OF ATTORNEY AND SIGNATURES

KNOW ALL BY THESE PRESENT, that each individual whose signature appears below hereby constitutes and appoints each of Jay T. Backstrom and Edward H. Myles as such person’s true and lawful attorney-in-fact and agent with full power of substitution and resubstitution, for such person in such person’s name, place and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this Registration Statement on Form S-8, and to file the same, with all exhibits thereto, and all documents in connection therewith, with the Securities and Exchange Commission granting unto each said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as such person might or could do in person, hereby ratifying and confirming all that any said attorney-in-fact and agent, or any substitute or substitutes of any of them, may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following person in the capacities and on the date indicated.

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Exhibit 5.1

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March 7, 2023

Scholar Rock Holding Corporation

301 Binney Street

Cambridge, MA 02142

Re:Securities Being Registered under Registration Statement on Form S-8

We have acted as counsel to you in connection with your filing of a Registration Statement on Form S-8 (the “Registration Statement”) pursuant to the Securities Act of 1933, as amended (the “Securities Act”), on or about the date hereof relating to an aggregate of 3,420,517 shares (the “Shares”) of Common Stock, $0.001 par value per share (“Common Stock”), of  Scholar Rock Holding Corporation, a Delaware corporation (the “Company”), that may be issued pursuant to the Company’s 2018 Stock Option and Incentive Plan, 2018 Employee Stock Purchase Plan and 2022 Inducement Equity Plan, as amended (collectively, the “Plans”).

We have reviewed such documents and made such examination of law as we have deemed appropriate to give the opinions set forth below. We have relied, without independent verification, on certificates of public officials and, as to matters of fact material to the opinion set forth below, on certificates of officers of the Company.

The opinion set forth below is limited to the Delaware General Corporation Law.

For purposes of the opinion set forth below, we have assumed that no event occurs that causes the number of authorized shares of Common Stock available for issuance by the Company to be less than the number of then unissued Shares.

Based on the foregoing, we are of the opinion that the Shares have been duly authorized and, upon issuance and delivery against payment therefor in accordance with the terms of the Plans, will be validly issued, fully paid and nonassessable.

This opinion letter and the opinion it contains shall be interpreted in accordance with the Core Opinion Principles as published in 74 Business Lawyer 815 (Summer 2019).

We hereby consent to the inclusion of this opinion as Exhibit 5.1 to the Registration Statement.  In giving our consent, we do not admit that we are in the category of persons whose consent is required under Section 7 of the Securities Act or the rules and regulations thereunder.

Very truly yours,

/s/ Goodwin Procter LLP

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GOODWIN PROCTER LLP

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Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the 2018 Stock Option and Incentive Plan, the 2018 Employee Stock Purchase Plan and the 2022 Inducement Equity Plan of Scholar Rock Holding Corporation of our report dated March 7, 2023, with respect to the consolidated financial statements of Scholar Rock Holding Corporation included in its Annual Report (Form 10-K) for the year ended December 31, 2022, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Boston, Massachusetts

March 7, 2023

Exhibit 107

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Calculation of Filing Fee Table

Form S-8 

(Form Type)

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SCHOLAR ROCK HOLDING CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Table 1: Newly Registered

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