{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-316929","form_type":"8-K","ticker":"AURA","cik":"0001501796","company_name":"Aura Biosciences, Inc.","filed_at":"2021-11-02T23:59:59+00:00","discovered_at":"2026-05-14T18:04:12.769997+00:00","generated_at":"2026-06-28T15:04:10.956462+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Aura Biosciences amends charter and bylaws upon IPO; authorizes 150M common shares","bullets":["Authorized 150 million shares of common stock and 10 million shares of undesignated preferred stock.","Eliminated all references to prior series of preferred stock from charter.","Amended bylaws effective Oct 28, 2021: removed stockholder written consent and special meeting rights.","Established procedures for stockholder proposals and director nominations in bylaws.","All changes were previously disclosed in IPO registration statement S-1."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-316929","json":"https://secwatch.observer/filing/0001193125-21-316929.json","markdown":"https://secwatch.observer/filing/0001193125-21-316929.md","text":"https://secwatch.observer/filing/0001193125-21-316929.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1501796/000119312521316929/0001193125-21-316929-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1501796/000119312521316929/d211948d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T15:04:10.956462+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"}