{"schema_version":"secwatch.filing_event.v1","accession":"0000874501-23-000057","form_type":"8-K","ticker":"OSG","cik":"0000874501","company_name":"OCTAVE SPECIALTY GROUP INC","filed_at":"2023-03-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.336952+00:00","generated_at":"2026-06-18T10:53:56.934657+00:00","sec_items":["5.03"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Ambac director David Herzog will not stand for re-election at 2023 annual meeting","bullets":["David Herzog informed Ambac on March 3, 2023, that he will not seek re-election to the Board at the 2023 Annual Meeting.","Herzog's term will end at the annual meeting; no reason for the decision was disclosed.","No replacement director has been announced; the Board will continue with remaining members."],"urls":{"canonical":"https://secwatch.observer/filing/0000874501-23-000057","json":"https://secwatch.observer/filing/0000874501-23-000057.json","markdown":"https://secwatch.observer/filing/0000874501-23-000057.md","text":"https://secwatch.observer/filing/0000874501-23-000057.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/874501/000087450123000057/0000874501-23-000057-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/874501/000087450123000057/ambc-20230303.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T10:53:56.934657+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"}