---
schema_version: "secwatch.filing_event.v1"
accession: "0001157523-23-001305"
form_type: "8-K"
ticker: "SRRK"
cik: "0001727196"
company_name: "Scholar Rock Holding Corp"
filed_at: "2023-08-09T23:59:59+00:00"
generated_at: "2026-06-11T22:45:06.667330+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Scholar Rock Q2 net loss $37.9M; cash $249M; SAPPHIRE enrollment on track for Q3 2023

## Summary
- Net loss $37.9M in Q2 2023 vs $44.0M in Q2 2022; no revenue for either period.
- Cash, equivalents & marketable securities $249M as of Jun 30, 2023; expected to fund into 2025.
- Phase 3 SAPPHIRE trial enrollment completion expected Q3 2023; top-line data in 2H 2024.
- 36-month extension data from Phase 2 TOPAZ showed substantial sustained motor function improvement.
- Clinical & biomarker update from DRAGON Part B (SRK-181) anticipated in 2H 2023.

## SEC filing metadata
- accession: 0001157523-23-001305
- form_type: 8-K
- ticker: SRRK
- cik: 0001727196
- company_name: Scholar Rock Holding Corp
- filed_at: 2023-08-09T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1727196/000115752323001305/0001157523-23-001305-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1727196/000115752323001305/a53519737.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001157523-23-001305
- JSON: https://secwatch.observer/filing/0001157523-23-001305.json
- Plain text: https://secwatch.observer/filing/0001157523-23-001305.txt

## Key facts
- Earnings Releases
  Scholar Rock Holding Corp reported the quarter ended June 30, 2023 results: net income $37.9 million.
  - Period: the quarter ended June 30, 2023
  - Net income: $37.9 million
  - Result: reported results
  source text: For the quarter ended June 30, 2023, net loss was $37.9 million compared to a net loss of $44.0 million for the quarter ended June 30, 2022. The Company did not record any revenue for either the quarter ended June 30, 2023 or June 30, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1727196/000115752323001305/0001157523-23-001305-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.