{"schema_version":"secwatch.filing_event.v1","accession":"0000874501-23-000098","form_type":"8-K","ticker":"OSG","cik":"0000874501","company_name":"OCTAVE SPECIALTY GROUP INC","filed_at":"2023-06-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:42.508347+00:00","generated_at":"2026-06-14T00:46:46.035713+00:00","sec_items":["7.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Ambac notifies AMPS holders of LIBOR-to-SOFR replacement effective July 1, 2023","bullets":["Reference rate for eight series of AMPS will switch from one-month LIBOR to one-month CME Term SOFR plus 0.11448% spread adjustment.","Effective date: LIBOR Replacement Date expected July 1, 2023, per LIBOR Act and Federal Reserve Regulation ZZ.","No dividend payments on AMPS have been made since 2010; change applies to calculation of Auction Rate for future dividends if declared.","AMPS series A-H affected (CUSIPs listed); governing documents lacked a replacement benchmark rate provision."],"urls":{"canonical":"https://secwatch.observer/filing/0000874501-23-000098","json":"https://secwatch.observer/filing/0000874501-23-000098.json","markdown":"https://secwatch.observer/filing/0000874501-23-000098.md","text":"https://secwatch.observer/filing/0000874501-23-000098.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/874501/000087450123000098/0000874501-23-000098-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/874501/000087450123000098/ambc-20230615.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T00:46:46.035713+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"}