secwatch.observer — SEC 8-K summary ====================================== Issuer: Scholar Rock Holding Corp (SRRK) CIK: 0001727196 Form: 8-K Filed at: 2023-10-11T23:59:59+00:00 Accession: 0001104659-23-108591 Event type: other_material Sentiment: positive Materiality: 0.70 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Scholar Rock advances SRK-439 for obesity towards 2025 IND; Phase 2 apitegromab trial in 2024 with mid-2025 data -------------------------------------------------------------------------------- - Plans to file IND for SRK-439, a novel myostatin inhibitor for obesity, in 2025. - Initiating Phase 2 proof-of-concept trial of apitegromab in combination with GLP-1 RA in obesity in 2024; data expected mid-2025. - Preclinical data show SRK-439 combined with GLP-1 RA reversed lean mass loss and enhanced fat mass loss in diet-induced obese mice. - Pivotal Phase 3 SAPPHIRE trial of apitegromab in SMA fully enrolled; topline data expected Q4 2024. - Leverages selective myostatin inhibition platform; apitegromab already well-tolerated in SMA. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1727196/000110465923108591/0001104659-23-108591-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1727196/000110465923108591/tm2328106d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-23-108591 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer