{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-034473","form_type":"8-K","ticker":"APVO","cik":"0001671584","company_name":"Aptevo Therapeutics Inc.","filed_at":"2026-02-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.840755+00:00","generated_at":"2026-05-16T05:20:52.382113+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Marvin White retires as Aptevo CEO; COO Jeff Lamothe named successor effective April 1, 2026","bullets":["White to become Executive Chair; Lamothe promoted from COO to President and CEO and appointed to Board.","John Niederhuber transitions from Chairman to Lead Independent Director; Board expands to seven directors.","Lamothe receives $650K base salary, 60% bonus target, and a one-time $150K cash promotional award.","Severance Plan modified to align Executive Chair benefits with CEO-level benefits; EVP tier removed.","Company notes cash runway into 2029, $60M equity line, and clinical progress with mipletamig Phase 1b."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-034473","json":"https://secwatch.observer/filing/0001193125-26-034473.json","markdown":"https://secwatch.observer/filing/0001193125-26-034473.md","text":"https://secwatch.observer/filing/0001193125-26-034473.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1671584/000119312526034473/0001193125-26-034473-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1671584/000119312526034473/apvo-20260130.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T05:20:52.382113+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"}