{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-26-030026","form_type":"8-K","ticker":"SLNH","cik":"0000064463","company_name":"Soluna Holdings, Inc","filed_at":"2026-06-25T11:30:44+00:00","discovered_at":"2026-06-25T11:35:00.294746+00:00","generated_at":"2026-06-25T11:35:40.806718+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Soluna Holdings withdraws Series B Preferred Stock designation after full conversion","bullets":["62,500 shares of Series B Convertible Preferred converted to 6,510,416 common shares in 2026.","Accrued dividends of $2.1 million were paid upon full conversion of the preferred shares.","Withdrawal of Designation filed June 23, 2026, eliminating the series from the charter.","No shares of Series B Preferred Stock remain outstanding after the conversion."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-030026","json":"https://secwatch.observer/filing/0001493152-26-030026.json","markdown":"https://secwatch.observer/filing/0001493152-26-030026.md","text":"https://secwatch.observer/filing/0001493152-26-030026.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/64463/000149315226030026/0001493152-26-030026-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/64463/000149315226030026/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T11:35:40.806718+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"}