{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-23-024947","form_type":"8-K","ticker":"OPTU","cik":"0001702780","company_name":"Optimum Communications, Inc.","filed_at":"2023-07-17T23:59:59+00:00","discovered_at":"2026-05-14T18:03:34.911214+00:00","generated_at":"2026-06-13T07:45:50.294093+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Altice USA CEO Dennis Mathew appointed Chairman after Alexandre Fonseca resigns from Board","bullets":["Alexandre Fonseca resigned as Chairman and Board member on July 15, 2023; no disagreement cited.","Dennis Mathew appointed to Board as director and elected Chairman effective July 16, 2023.","Mathew will serve on the Board until the 2024 annual meeting of stockholders.","Mathew continues as CEO; no additional compensation for director role; employment unchanged."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-23-024947","json":"https://secwatch.observer/filing/0001628280-23-024947.json","markdown":"https://secwatch.observer/filing/0001628280-23-024947.md","text":"https://secwatch.observer/filing/0001628280-23-024947.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1702780/000162828023024947/0001628280-23-024947-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1702780/000162828023024947/atus-20230715.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T07:45:50.294093+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":"4add42f641","claim":"Alexandre Fonseca resigned as Chairman of the Board at Optimum Communications, Inc..","evidence_excerpt":"On July 15, 2023, Mr. Alexandre Fonseca resigned from the Board of Directors (the “Board”) of the Altice USA, Inc. (the “Company”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1702780/000162828023024947/0001628280-23-024947-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"},{"claim_id":"a39ea0de4d","claim":"Dennis Mathew was appointed as Chairman of the Board at Optimum Communications, Inc..","evidence_excerpt":"The Board elected Mr. Mathew as Chairman of the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1702780/000162828023024947/0001628280-23-024947-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}