{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-034187","form_type":"8-K","ticker":"ENZN","cik":"0000727510","company_name":"Viskase Holdings, Inc.","filed_at":"2026-03-25T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.597345+00:00","generated_at":"2026-05-15T09:08:25.199026+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"low","headline":"Enzon completes exchange offer for Series C Preferred Stock; no terms in filing","bullets":["Exchange offer for Series C Non-Convertible Redeemable Preferred Stock completed on March 25, 2026.","Press release announcing completion was issued but not included in this filing.","Specific exchange ratios, shares tendered, or financial impact not provided in filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-034187","json":"https://secwatch.observer/filing/0001104659-26-034187.json","markdown":"https://secwatch.observer/filing/0001104659-26-034187.md","text":"https://secwatch.observer/filing/0001104659-26-034187.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/727510/000110465926034187/0001104659-26-034187-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/727510/000110465926034187/tm269722d2_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T09:08:25.199026+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"}