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Aura Biosciences(AURA) - 2025 Q1 - Quarterly Report

Clinical Development - The lead candidate bel-sar is in late-stage clinical development for primary choroidal melanoma and other solid tumors, with enrollment for the Phase 3 trial expected to complete by the end of 2025 [88]. - In a Phase 2 study, bel-sar achieved an 80% tumor control rate among Phase 3-eligible patients, with a post-treatment average growth rate of 0.011 mm/yr compared to 0.351 mm/yr prior to study entry (p<0.0001) and 90% visual acuity preservation [89]. - The ongoing Phase 1b/2 trial for non-muscle invasive bladder cancer (NMIBC) will evaluate bel-sar in approximately 26 patients, with initial data expected by year-end 2025 [93]. - The company plans to initiate a Phase 1 trial in cancers of the ocular surface in 2025, targeting an incidence rate of 35,000 patients per year in the U.S. and Europe [90]. Financial Performance - As of March 31, 2025, the company reported net losses of $27.5 million and an accumulated deficit of $401.7 million [95]. - The company has not generated any revenue since inception and does not expect to do so in the foreseeable future [99]. - Research and development expenses are expected to increase as the company continues clinical development for bel-sar and other product candidates [102]. - Research and development expenses increased to $23.3 million for the three months ended March 31, 2025, up from $17.1 million in the same period of 2024, primarily due to ongoing clinical and CRO costs associated with the global Phase 3 trial of bel-sar [109]. - General and administrative expenses rose to $5.7 million for the three months ended March 31, 2025, compared to $5.3 million in the same period of 2024, driven by higher personnel expenses [110]. - Total operating expenses for the three months ended March 31, 2025, were $29.0 million, an increase of $6.7 million from $22.3 million in the same period of 2024 [108]. - The net loss for the three months ended March 31, 2025, was $27.5 million, compared to a net loss of $19.7 million for the same period in 2024, reflecting an increase of $7.8 million [108]. Cash and Funding - The company has raised approximately $420.0 million since inception, with $99.0 million raised from the 2023 Follow-On Offering at $9.00 per share [94]. - The company had cash and cash equivalents of $128.0 million as of March 31, 2025, which is expected to fund operations into the second half of 2026 [98]. - Cash, cash equivalents, and marketable securities as of March 31, 2025, totaled $128.0 million, expected to fund operations into the second half of 2026 [118]. - Net cash used in operating activities was $23.4 million for the three months ended March 31, 2025, compared to $24.5 million for the same period in 2024 [112]. - Net cash provided by investing activities was $29.8 million for the three months ended March 31, 2025, significantly higher than $9.4 million in the same period of 2024 [115]. - The company raised approximately $420.0 million in gross proceeds through the sale of equity and convertible preferred stock up to March 31, 2025 [111]. Operating Expenses and Commitments - The company has incurred significant operating losses since 2009 and anticipates needing substantial additional funding to support ongoing operations and growth strategies [96]. - Operating lease commitments total $26.836 million, with $3.331 million due within 1 year, $10.6 million due in 1 to 3 years, and $7.598 million due in 3 to 5 years [123]. - The company has no long-term debt or finance leases, and contracts with service providers are generally cancelable [125]. - Payments due upon cancellation of contracts consist only of services provided or expenses incurred, with no material non-cancelable purchase commitments [125]. Regulatory and Accounting Matters - The company remains classified as an "emerging growth company" until it exceeds $1.235 billion in annual revenue or meets other specified criteria [129]. - The market value of the company's stock held by non-affiliates is less than $700 million, qualifying it as a "smaller reporting company" [130]. - The company has not experienced material changes to its critical accounting policies as of March 31, 2025 [126]. - No recent accounting pronouncements have had a material impact on the company's financial statements [127]. - The company has elected to use the extended transition period under the JOBS Act for compliance with new accounting standards [128]. - The company is not required to provide quantitative and qualitative disclosures about market risk due to its status as a smaller reporting company [132]. - The lease for office and laboratory space in Boston, MA, has an initial term of 10 years with a renewal option for an additional 7 years [124]. - The income tax provision for the year ended December 31, 2024, was recorded at $0.1 million, with accumulated net operating loss carryforwards of approximately $209.8 million [107]. - The company anticipates a substantial increase in expenses related to ongoing research and development activities and operating as a public company [117].