{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-155881","form_type":"8-K","ticker":"OSG","cik":"0000874501","company_name":"OCTAVE SPECIALTY GROUP INC","filed_at":"2025-07-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.536614+00:00","generated_at":"2026-05-18T09:24:01.305095+00:00","sec_items":["1.01","3.02","7.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Ambac extends AAC sale to Oaktree to Dec 31, 2025; warrant conversion terms amended","bullets":["Sale of Ambac Assurance (AAC) and Ambac UK to Oaktree extended to Dec 31, 2025; deal price remains $420M cash.","Warrant conversion amended: Oaktree may convert up to one-third of the warrant at a time, aggregate cap $70M.","Oaktree waives right to designate a board director under the Investor Rights Agreement.","Parties to cooperate on office leases and Oaktree waives certain pre-closing company payment adjustments.","Closing still subject to Wisconsin OCI regulatory approval; both parties state full commitment to completion."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-155881","json":"https://secwatch.observer/filing/0001193125-25-155881.json","markdown":"https://secwatch.observer/filing/0001193125-25-155881.md","text":"https://secwatch.observer/filing/0001193125-25-155881.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/874501/000119312525155881/0001193125-25-155881-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/874501/000119312525155881/d933600d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T09:24:01.305095+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"}