{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-121677","form_type":"8-K","ticker":"AURA","cik":"0001501796","company_name":"Aura Biosciences, Inc.","filed_at":"2025-05-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.506588+00:00","generated_at":"2026-05-21T03:09:21.846432+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Aura Biosciences closes $69.9M public offering of common stock and warrants","bullets":["Sold 11.7M shares, 3.6M pre-funded warrants, and 3.8M common stock warrants at $4.90 combined price.","Net proceeds of approximately $69.9 million after underwriting discounts and expenses.","Proceeds to advance clinical programs in choroidal melanoma, ocular surface cancers, and bladder cancer.","Cash runway extended into the first half of 2027.","Offering closed on May 16, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-121677","json":"https://secwatch.observer/filing/0001193125-25-121677.json","markdown":"https://secwatch.observer/filing/0001193125-25-121677.md","text":"https://secwatch.observer/filing/0001193125-25-121677.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1501796/000119312525121677/0001193125-25-121677-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1501796/000119312525121677/d213451d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T03:09:21.846432+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}