{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-220485","form_type":"8-K","ticker":"SPHR","cik":"0001795250","company_name":"Sphere Entertainment Co.","filed_at":"2025-09-26T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.018135+00:00","generated_at":"2026-05-17T05:35:21.081187+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Sphere Entertainment's Principal Accounting Officer Brunner to resign; CFO Langer interim","bullets":["Gregory Brunner, SVP, Controller and PAO, resigns effective October 17, 2025.","Resignation not due to any disagreement with auditors or management on accounting principles.","Robert Langer, EVP, CFO and Treasurer, will serve as interim principal accounting officer effective October 17.","Replacement search is ongoing; Langer will continue as CFO and Treasurer."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-220485","json":"https://secwatch.observer/filing/0001193125-25-220485.json","markdown":"https://secwatch.observer/filing/0001193125-25-220485.md","text":"https://secwatch.observer/filing/0001193125-25-220485.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1795250/000119312525220485/0001193125-25-220485-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1795250/000119312525220485/d922743d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:35:21.081187+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"}