{"schema_version":"secwatch.filing_event.v1","accession":"0001641172-25-022807","form_type":"8-K","ticker":"SLNH","cik":"0000064463","company_name":"Soluna Holdings, Inc","filed_at":"2025-08-08T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.156257+00:00","generated_at":"2026-05-17T16:52:55.271065+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Soluna Holdings CFO John Tunison resigns; board member David Michaels named interim CFO","bullets":["CFO John Tunison resigns effective Aug 21, 2025; departure not due to any disagreement with company.","Board member David Michaels named interim CFO and Treasurer; 4-month consulting agreement at $30,000 per month.","Company has commenced search for a permanent CFO.","Tunison departing to accept similar CFO role at a privately held company."],"urls":{"canonical":"https://secwatch.observer/filing/0001641172-25-022807","json":"https://secwatch.observer/filing/0001641172-25-022807.json","markdown":"https://secwatch.observer/filing/0001641172-25-022807.md","text":"https://secwatch.observer/filing/0001641172-25-022807.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/64463/000164117225022807/0001641172-25-022807-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/64463/000164117225022807/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T16:52:55.271065+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"}