{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-22-001848","form_type":"8-K","ticker":"APVO","cik":"0001671584","company_name":"Aptevo Therapeutics Inc.","filed_at":"2022-01-21T23:59:59+00:00","discovered_at":"2026-05-14T18:04:07.738808+00:00","generated_at":"2026-06-27T16:32:47.508758+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Aptevo Chairman Fuad El-Hibri retires; John Niederhuber named Chairman effective April 1, 2022","bullets":["Chairman Fuad El-Hibri retires effective April 1, 2022; no dispute with management or board.","Dr. John Niederhuber, current Vice Chairman, appointed Chairman effective April 1, 2022.","Board size reduced from 7 to 6 directors on April 1, 2022.","El-Hibri to be available as advisor/consultant on terms to be agreed."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-22-001848","json":"https://secwatch.observer/filing/0001564590-22-001848.json","markdown":"https://secwatch.observer/filing/0001564590-22-001848.md","text":"https://secwatch.observer/filing/0001564590-22-001848.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1671584/000156459022001848/0001564590-22-001848-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1671584/000156459022001848/apvo-8k_20220121.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T16:32:47.508758+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":[{"claim_id":"6ae07607cf","claim":"Fuad El-Hibri departed as Chairman of the Board at Aptevo Therapeutics Inc..","evidence_excerpt":"On January 21, 2022, Fuad El-Hibri, Chairman of the Board of Directors (“Board”) of Aptevo Therapeutics Inc. (“Company”), notified the Company of his retirement and resignation as a director of the Company, effective April 1, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1671584/000156459022001848/0001564590-22-001848-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired and resigned"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"},{"claim_id":"e5d52ddcc1","claim":"John Niederhuber was appointed as Chairman of the Board at Aptevo Therapeutics Inc..","evidence_excerpt":"On January 21, 2022, the Board appointed John Niederhuber, M.D. as Chairman of the Board effective April 1, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1671584/000156459022001848/0001564590-22-001848-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}