{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-323786","form_type":"8-K/A","ticker":"LONA","cik":"0001620463","company_name":"LeonaBio, Inc.","filed_at":"2025-12-18T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.943980+00:00","generated_at":"2026-05-16T12:44:51.475407+00:00","sec_items":["1.01","3.02","7.01","8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Athira Pharma licenses lasofoxifene rights, raises $90M in PIPE financing","bullets":["Licensed exclusive rights to oral lasofoxifene from Sermonix and Ligand for $34.9M in equity, plus monthly payments and up to $100M milestones.","PIPE raises ~$90M gross from Commodore, TCGX, Perceptive and others at $6.35/share with warrants exercisable after ELAINE-3 milestones.","Both PIPE and Sermonix closings expected December 23, 2025; proceeds for working capital, excluding debt repayment or stock redemption.","Commodore and TCGX each get board designation rights if holding 5%+; company to seek resignation of two current directors within 6 months.","Joseph Edelman (Perceptive) is a board member; Perceptive affiliates hold ~29% of Sermonix capital stock."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-323786","json":"https://secwatch.observer/filing/0001193125-25-323786.json","markdown":"https://secwatch.observer/filing/0001193125-25-323786.md","text":"https://secwatch.observer/filing/0001193125-25-323786.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1620463/000119312525323786/0001193125-25-323786-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1620463/000119312525323786/atha-20251218.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:44:51.475407+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"}