{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-26-011775","form_type":"8-K","ticker":"NUWE","cik":"0001506492","company_name":"Nuwellis, Inc.","filed_at":"2026-03-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.263041+00:00","generated_at":"2026-05-15T08:36:41.547035+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Two Nuwellis directors resign over information-access disagreements; board reduced to five","bullets":["Mika Grasso and Katharyn Field resigned effective March 26, 2026, citing alleged failures to provide timely information.","Company expressly disagrees with allegations, stating resignation letters contain errors and misleading speculation.","Board size decreased from seven to five members effective March 27, 2026 after resignations.","Company to file any response letters from departing directors within two business days of receipt."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-26-011775","json":"https://secwatch.observer/filing/0001140361-26-011775.json","markdown":"https://secwatch.observer/filing/0001140361-26-011775.md","text":"https://secwatch.observer/filing/0001140361-26-011775.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1506492/000114036126011775/0001140361-26-011775-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1506492/000114036126011775/ef20069181_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T08:36:41.547035+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"}