{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-043221","form_type":"8-K","ticker":"OSG","cik":"0000874501","company_name":"OCTAVE SPECIALTY GROUP INC","filed_at":"2025-09-30T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.537639+00:00","generated_at":"2026-05-17T05:20:51.415429+00:00","sec_items":["5.02"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Ambac accelerates PSU vesting for CEO, CFO, COO after Assurance sale; 2023 awards at 121.5%","bullets":["PSU acceleration effective Sept 30, 2025, after Sept 29 closing of Ambac Assurance sale.","2023 PSUs vest at 121.5% of target; 2024 PSUs at 100% of target.","CEO Claude LeBlanc receives 368,313 vested PSUs, CFO David Trick 89,071, COO R. Sharon Smith 79,441.","Committee cited concluded legacy business activities as reason for acceleration."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-043221","json":"https://secwatch.observer/filing/0001628280-25-043221.json","markdown":"https://secwatch.observer/filing/0001628280-25-043221.md","text":"https://secwatch.observer/filing/0001628280-25-043221.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/874501/000162828025043221/0001628280-25-043221-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/874501/000162828025043221/ambc-20250930.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:20:51.415429+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"}