{"schema_version":"secwatch.filing_event.v1","accession":"0000874501-25-000015","form_type":"8-K","ticker":"OSG","cik":"0000874501","company_name":"OCTAVE SPECIALTY GROUP INC","filed_at":"2025-02-26T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.572658+00:00","generated_at":"2026-05-26T04:12:17.064554+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"negative","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Ambac Q4 net loss $548M on $570M legacy sale charge; P&C premiums up 88%","bullets":["Continuing ops net loss $22M ($0.70 diluted); adjusted EBITDA $5.1M vs -$3.5M prior year.","Legacy sale to Oaktree for $420M expected to close Q1/Q2 2025 pending Wisconsin approval; $570M disposal loss.","Specialty P&C insurance production rose 88% to $265M; combined ratio improved to 96.5%.","Insurance Distribution revenue up 257% to $44M; Cirrata adj. EBITDA to Ambac shareholders $5.3M.","Stock buybacks: 962K shares at $12.48 in Q4, plus 240K in Q1 2025; $35M authority remaining."],"urls":{"canonical":"https://secwatch.observer/filing/0000874501-25-000015","json":"https://secwatch.observer/filing/0000874501-25-000015.json","markdown":"https://secwatch.observer/filing/0000874501-25-000015.md","text":"https://secwatch.observer/filing/0000874501-25-000015.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/874501/000087450125000015/0000874501-25-000015-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/874501/000087450125000015/ambc-20250226.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T04:12:17.064554+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"}