Change in Certifying Accountants (Form 8-K)

Item 4.01. Changes in Registrant's Certifying Accountant.

(b) Engagement of New Independent Registered Public Accounting Firm

On June 3, 2025, the Audit Committee (the "Audit Committee") of the Board of Directors of Scholar Rock Holding Corporation (the "Company") appointed Deloitte & Touche LLP ("Deloitte") as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2025. The Audit Committee conducted a competitive process in which multiple firms were invited to participate to select a firm to serve as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2025.

During the fiscal years ended December 31, 2024 and 2023 and the subsequent interim period through June 3, 2025, neither the Company nor anyone on its behalf consulted with Deloitte with respect to (a) the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion that might be rendered on the Company's consolidated financial statements, and neither a written report nor oral advice was provided to the Company that Deloitte concluded was an important factor considered by the Company in reaching a decision as to any accounting, auditing or financial reporting issue, or (b) any matter that was either the subject of a "disagreement" (as defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions thereto) or a "reportable event" (as described in Item 304(a)(1)(v) of Regulation S-K).

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