{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-304002","form_type":"8-K","ticker":"LONA","cik":"0001620463","company_name":"LeonaBio, Inc.","filed_at":"2021-10-21T23:59:59+00:00","discovered_at":"2026-05-14T18:04:13.357993+00:00","generated_at":"2026-06-28T19:13:54.913471+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"CEO Leen Kawas resigns after special committee finds she altered images in doctoral research; Mark Litton appointed CEO.","bullets":["Special committee concluded Dr. Kawas altered images in her 2011 dissertation and at least four research papers co-authored as a WSU graduate student.","Mark Litton, Ph.D., MBA, appointed President and CEO and to the board; Rachel Lenington, MBA, appointed COO, effective Oct 18, 2021.","Severance: Kawas receives lump sum of $510,000 plus COBRA reimbursement for up to 18 months; retains options for 363,535 shares.","ATH-1017 patent does not cite altered-image papers; Phase 1a/b trial results reaffirmed as statistically significant per independent audit."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-304002","json":"https://secwatch.observer/filing/0001193125-21-304002.json","markdown":"https://secwatch.observer/filing/0001193125-21-304002.md","text":"https://secwatch.observer/filing/0001193125-21-304002.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1620463/000119312521304002/0001193125-21-304002-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1620463/000119312521304002/d179221d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T19:13:54.913471+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"}