UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT (857) 259-3860 (Registrant's telephone number, including area code) Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 14, 2025 Scholar Rock Holding Corporation (Exact Name of Registrant as Specified in Charter) (State or Other Jurisdiction of Incorporation) Delaware 001-38501 82-3750435 (Commission File Number) (I.R.S. Employer Identificat ...