{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-23-050839","form_type":"8-K","ticker":"NUWE","cik":"0001506492","company_name":"Nuwellis, Inc.","filed_at":"2023-11-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.302438+00:00","generated_at":"2026-06-09T02:27:19.491654+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Nuwellis appoints Dr. Archelle Georgiou and David McDonald to board; Jon Salveson resigns","bullets":["Dr. Archelle Georgiou appointed to Board effective Nov 1, 2023; will chair Nominating & Governance and serve on Compensation Committee.","David McDonald appointed to Board effective Nov 1, 2023; will serve on Audit and Nominating & Governance Committees.","Jon Salveson resigned effective Oct 31, 2023; resignation not due to any disagreement with the company.","New directors receive $45,000 annual retainer plus additional committee fees; both deemed independent.","McDonald is head of Life Science Investment Banking at Lake Street; Georgiou is former CMO at UnitedHealth Group."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-23-050839","json":"https://secwatch.observer/filing/0001140361-23-050839.json","markdown":"https://secwatch.observer/filing/0001140361-23-050839.md","text":"https://secwatch.observer/filing/0001140361-23-050839.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1506492/000114036123050839/0001140361-23-050839-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1506492/000114036123050839/ef20013762_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T02:27:19.491654+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":"2f5dacd1fe","claim":"Archelle Georgiou was appointed as Director at Nuwellis, Inc..","evidence_excerpt":"the appointment of Archelle Georgiou (Feldshon) , M.D. to its Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1506492/000114036123050839/0001140361-23-050839-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"53c3e515dd","claim":"David McDonald was appointed as Director at Nuwellis, Inc..","evidence_excerpt":"the appointment of David McDonald to its Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1506492/000114036123050839/0001140361-23-050839-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}