{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-003460","form_type":"8-K","ticker":"OSTX","cik":"0001795091","company_name":"OS Therapies Inc","filed_at":"2025-01-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.897865+00:00","generated_at":"2026-05-28T02:12:30.775153+00:00","sec_items":["1.01","3.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"OS Therapies completes second closing of $1.05M private placement","bullets":["Second closing sold 263,250 units at $4.00 each, raising $1.053 million in gross proceeds.","Each unit consists of one share of Series A Convertible Preferred Stock and a warrant to purchase one common share.","Amendment to securities purchase agreement allows multiple closings up to $10 million, with final closing by Feb 15, 2025.","Investors in second closing include Tichenor Ventures, LLC; placement agent Brookline Capital Markets received $35,157 cash fee."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-003460","json":"https://secwatch.observer/filing/0001213900-25-003460.json","markdown":"https://secwatch.observer/filing/0001213900-25-003460.md","text":"https://secwatch.observer/filing/0001213900-25-003460.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1795091/000121390025003460/0001213900-25-003460-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1795091/000121390025003460/ea0227697-8k_osthera.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud","generated_at":"2026-05-28T02:12:30.775153+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"}