{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-061837","form_type":"8-K","ticker":"LONA","cik":"0001620463","company_name":"LeonaBio, Inc.","filed_at":"2024-05-17T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.284973+00:00","generated_at":"2026-06-01T15:59:19.761994+00:00","sec_items":["8.01","9.01"],"event_type":"litigation","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Athira Pharma obtains preliminary approval for derivative lawsuit settlement with governance reforms","bullets":["Court preliminary approval on May 3, 2024; final hearing set for July 18, 2024.","Settlement requires Athira to adopt corporate governance reforms and pay lead plaintiffs' attorney's fees, expenses, and service awards.","Derivative actions Bushansky v. Kawas and Houlihan v. Kawas covered by the Stipulation of Settlement dated March 15, 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-061837","json":"https://secwatch.observer/filing/0000950170-24-061837.json","markdown":"https://secwatch.observer/filing/0000950170-24-061837.md","text":"https://secwatch.observer/filing/0000950170-24-061837.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1620463/000095017024061837/0000950170-24-061837-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1620463/000095017024061837/atha-20240503.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T15:59:19.761994+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"}