10-K annual report · filed Mar 2, 2026

Dyne Therapeutics, Inc. (DYN) FY2025 10-K Annual Report

Short answer

Dyne Therapeutics, Inc. (DYN) filed its fiscal 2025 10-K annual report with the SEC on Mar 2, 2026.

  • Top risk flagged: FDA clinical hold on z-rostudirsen IND in Jan 2022, delaying trial start until July 2022 clearance

FY2025 key financial metrics · XBRL

Net income
−$446M
−40.6% YoY
EPS (diluted)
−$3.47
−3.0% YoY
ROE
-45.9%
+4.5 pp YoY
Operating cash flow
−$403M
−37.9% YoY

Source: XBRL data from the Dyne Therapeutics, Inc. (DYN) FY2025 10-K on SEC EDGAR. USD.

Dyne Therapeutics, Inc. FY2025 10-K analysis

AI summary of each section, grounded in the filing text

Business Overview

  • Core business model: Development of product candidates for rare muscle diseases, leveraging manufacturing agreements with CMOs
  • New master manufacturing services agreements in 2025 securing $169.9M total fees committed through 2027 for product candidate components
  • Strategic emphasis on formalizing manufacturing capacity to support clinical and production scalability versus prior informal agreements
  • Notable R&D investment: $31.2M paid towards non-current assets under manufacturing agreement as of Dec 31, 2025, with additional $109.5M committed
  • Lease agreement for office and lab space with 8.5-year term started Sept 2021, with monthly rent increasing to $0.5M during term

Management Discussion & Analysis

  • No profitability or margin figures provided, expenses expected to increase with ongoing activities
  • No segment financial data; primary emphasis on research and development of multiple product candidates
  • Cash, cash equivalents, marketable securities sufficient to fund operations into Q1 2028
  • Capital needs to be met via equity, debt, collaborations, with risk of dilution and restrictive covenants; risk of delayed development if funding unmet

Risk Factors

  • FDA clinical hold on z-rostudirsen IND in Jan 2022, delaying trial start until July 2022 clearance
  • Geopolitical and market risk from clinical and regulatory approval uncertainty in US and EU (FDA, EMA) regulatory agencies
  • Supply chain vulnerability in establishing manufacturing for Fab antibody, linker, therapeutic payload components for clinical and commercial supply
  • Competitive risk from delayed commercialization of product candidates until at least 2027, risking losing market share to established biotech peers
  • Financial risk from $1.4B accumulated deficit with net losses of $446.2M in 2025 and $317.4M in 2024, reliant on $1.1B cash runway to Q1 2028 and $275M Hercules loan facility with restrictive covenants

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