{"schema_version":"secwatch.filing_event.v1","accession":"0000874501-23-000018","form_type":"8-K","ticker":"OSG","cik":"0000874501","company_name":"OCTAVE SPECIALTY GROUP INC","filed_at":"2023-01-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.336475+00:00","generated_at":"2026-06-20T07:35:56.444763+00:00","sec_items":["5.03","9.01","2.1"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Ambac amends bylaws to adopt majority voting for director elections and update universal proxy card rules","bullets":["Majority voting standard for uncontested director elections; plurality retained for contested elections.","Directors who fail to receive majority of votes must submit resignation within 10 business days; Board decides within 90 days.","Nominating stockholders must comply with universal proxy card rules and solicit proxies representing at least 67% of voting power.","Bylaw updates also reflect recent Delaware DGCL changes removing requirement to provide stockholder list at meetings.","Amendments effective January 26, 2023; full text filed as Exhibit 2.1."],"urls":{"canonical":"https://secwatch.observer/filing/0000874501-23-000018","json":"https://secwatch.observer/filing/0000874501-23-000018.json","markdown":"https://secwatch.observer/filing/0000874501-23-000018.md","text":"https://secwatch.observer/filing/0000874501-23-000018.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/874501/000087450123000018/0000874501-23-000018-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/874501/000087450123000018/ambc-20230126.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T07:35:56.444763+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":[{"claim_id":"13dff6883f95c45ca99ef41e4a72cb31e925eec5","claim":"OCTAVE SPECIALTY GROUP INC: Amended Bylaws to adopt majority voting in uncontested director elections and update procedures for universal proxy card rules (effective 2023-01-26).","evidence_excerpt":"On January 26, 2023, the Board of Directors (the “Board”) of Ambac Financial Group, Inc. (“AFG”) approved certain amendments to AFG’s By-laws (the “By-laws”), effective as of such date.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/874501/000087450123000018/0000874501-23-000018-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2023-01-26"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}