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Dyne Therapeutics(DYN) - 2025 Q3 - Quarterly Report

Financial Performance - For the nine months ended September 30, 2025, the company reported net losses of $334.3 million, compared to $227.9 million for the same period in 2024, with an accumulated deficit of $1.3 billion as of September 30, 2025[107]. - The net loss for Q3 2025 was $108.0 million, compared to a net loss of $97.1 million in Q3 2024, reflecting an increase of $10.9 million[129]. - The net loss for the nine months ended September 30, 2025, was $334.3 million, compared to a net loss of $227.9 million in 2024, reflecting an increase of $106.4 million (approximately 46.7%)[137]. - Total operating expenses for the nine months ended September 30, 2025, were $352.1 million, an increase of $105.3 million (approximately 42.7%) compared to $246.8 million in 2024[137]. - Research and development expenses rose to $302.9 million in 2025, up $103.3 million (approximately 51.8%) from $199.6 million in 2024, driven by increased clinical trial activities[138]. - The company has not generated any revenue from product sales and has incurred significant operating losses since its inception, with expectations of continued losses as it advances its product candidates[105][106]. - The company has not generated any revenue since inception and does not expect to do so until at least 2027[115]. - Interest income decreased to $8.5 million in Q3 2025 from $9.3 million in Q3 2024 due to lower overall interest rates[134]. - Interest income increased to $22.2 million in 2025 from $19.3 million in 2024, a rise of $2.9 million (approximately 15.0%) due to higher invested cash balances[141]. - Net cash used in operating activities was $291.4 million for the nine months ended September 30, 2025, compared to $208.0 million in 2024, indicating a rise of $83.4 million (approximately 40.1%)[152]. Clinical Development - The company is developing z-basivarsen (DYNE-101) for myotonic dystrophy type 1 (DM1), with a registrational expansion cohort expected to enroll 60 patients at a dose of 6.8 mg/kg every eight weeks, aiming for full enrollment by early Q2 2026[90]. - In the MAD portion of the ACHIEVE trial, z-basivarsen demonstrated a 3.3 seconds improvement in video hand opening time (vHOT) compared to placebo at 6 months, with a 10% improvement in muscle strength at 6 months increasing to 20% at 12 months[93]. - The company plans to initiate a Phase 3 clinical trial of z-basivarsen in Q1 2026 and anticipates a potential launch in Q1 2028, assuming favorable data and FDA approval[91]. - The FDA granted Breakthrough Therapy Designation to z-basivarsen for DM1 in June 2025, supporting its expedited development[92]. - The DELIVER trial for z-rostudirsen (DYNE-251) is ongoing, with a registrational expansion cohort of 32 participants completed in March 2025, and data expected in December 2025[101]. - In March 2025, z-rostudirsen demonstrated dose-dependent exon skipping and dystrophin expression, with best-in-class levels of dystrophin expression reported in the 20 mg/kg cohort[99]. - The FDA granted Breakthrough Therapy Designation to z-rostudirsen for DMD in August 2025, and it received Orphan Drug designation in Japan in September 2025[102]. Funding and Financial Strategy - The company anticipates that existing cash and marketable securities will fund operations into Q3 2027, assuming positive clinical trial results[111]. - The company may need substantial additional funding to support operations and growth strategy, relying on equity offerings, debt financings, and collaborations[109]. - The company expects to finance cash needs through equity offerings, debt financings, collaborations, and licensing arrangements, which may dilute stockholder ownership[157]. - The company raised $140.6 million from the sale of 10,660,159 shares of common stock under its at-the-market offering program during the nine months ended September 30, 2025[148]. - The company entered into a Loan Agreement with Hercules in June 2025, providing for term loans up to $275.0 million, with an initial tranche of $100.0 million funded[149]. - The company expects to incur significant expenses and operating losses for the foreseeable future, with no revenue expected from product candidates until at least 2027[145]. Operational Expenses - Research and development expenses for Q3 2025 were $97.2 million, an increase of $4.4 million from $92.8 million in Q3 2024[130]. - General and administrative expenses for Q3 2025 were $16.7 million, up $3.8 million from $12.9 million in Q3 2024[133]. - The company expects general and administrative expenses to rise as headcount increases to support growth strategy[123]. - The company has committed to pay an additional $65.6 million in fees through September 2027 under a master manufacturing services agreement with a CMO[162]. - A second master manufacturing services agreement obligates the company to compensate the CMO at least $25.5 million in fees through March 2027[163]. - The company has a lease obligation of $0.4 million per month, increasing to $0.5 million per month during the lease term, which lasts 8.5 years[161]. - The company has incurred $31.2 million towards non-current assets under the manufacturing services agreement as of September 30, 2025[162]. Risks and Accounting Policies - The company faces risks related to the costs and timing of regulatory reviews and clinical trials for product candidates[159]. - The company has not experienced significant changes in market risk management as of September 30, 2025[168]. - The company’s critical accounting policies include accrued research and development expenses and stock-based compensation, which may significantly impact financial results[165]. - There have been no significant changes to critical accounting policies since the last Annual Report filed on February 27, 2025[166].