{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-397952","form_type":"8-K","ticker":"LONA","cik":"0001620463","company_name":"LeonaBio, Inc.","filed_at":"2026-09-22T20:20:13+00:00","discovered_at":"2026-09-22T20:21:16.499894+00:00","generated_at":"2026-09-22T20:21:28.266039+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"LeonaBio: Series A warrants for 23M shares exercisable; potential $146M capital","bullets":["Series A Common Warrants for 23,031,494 shares became exercisable on Sept 18, 2026.","Exercise price is $6.35 per share; warrants exercisable until Oct 19, 2026.","Full cash exercise would provide approximately $146.2 million additional capital.","Warrants were issued in December 2025 private placement."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-397952","json":"https://secwatch.observer/filing/0001193125-26-397952.json","markdown":"https://secwatch.observer/filing/0001193125-26-397952.md","text":"https://secwatch.observer/filing/0001193125-26-397952.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1620463/000119312526397952/0001193125-26-397952-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1620463/000119312526397952/lona-20260918.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-22T20:21:28.266039+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"}