{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-211958","form_type":"8-K","ticker":"SPHR","cik":"0001795250","company_name":"Sphere Entertainment Co.","filed_at":"2021-07-09T23:59:59+00:00","discovered_at":"2026-05-14T18:04:19.706272+00:00","generated_at":"2026-06-30T06:25:22.334354+00:00","sec_items":["2.01","5.02","5.07","7.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"MSG Entertainment completes acquisition of MSG Networks, creating a combined entertainment and media company","bullets":["Merger closed July 9, 2021; MSG Networks holders received 0.172 MSGE shares per MSGN share.","Transaction structured as tax-free for U.S. federal income tax purposes for both companies and stockholders.","Combined company expected to realize tax efficiencies, cost synergies, and interest expense savings.","Andrew Lustgarten remains President of MSG Entertainment; Andrea Greenberg joins as President and CEO of MSG Networks.","Joel Litvin appointed to MSG Entertainment board effective July 9, 2021."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-211958","json":"https://secwatch.observer/filing/0001193125-21-211958.json","markdown":"https://secwatch.observer/filing/0001193125-21-211958.md","text":"https://secwatch.observer/filing/0001193125-21-211958.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1795250/000119312521211958/0001193125-21-211958-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1795250/000119312521211958/d201803d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T06:25:22.334354+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":"1c96b24ac0","claim":"Joel Litvin was appointed as Director at Sphere Entertainment Co..","evidence_excerpt":"the Board of Directors of MSG Entertainment (the “ Board ”) increased the size of the Board by one member and appointed Joel Litvin, a former director of MSG Networks appointed by the holders of MSGN Class A Common Stock, to fill the newly created vacancy","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1795250/000119312521211958/0001193125-21-211958-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}