{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-092447","form_type":"8-K","ticker":"SIRI","cik":"0000908937","company_name":"SIRIUS XM HOLDINGS INC.","filed_at":"2024-08-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:16.261546+00:00","generated_at":"2026-05-31T07:56:37.272077+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Liberty Media stockholders approve SiriusXM redemptive split-off; merger closes Sept 9","bullets":["Series A/B Liberty SiriusXM stockholders approved redemption; split-off effective 4:05 PM ET Sept 9, 2024.","Merger to complete at 6:00 PM ET Sept 9; SiriusXM becomes wholly-owned subsidiary of SplitCo (New SiriusXM).","New SiriusXM common stock to trade on Nasdaq under 'SIRI' starting Sept 10, 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-092447","json":"https://secwatch.observer/filing/0001104659-24-092447.json","markdown":"https://secwatch.observer/filing/0001104659-24-092447.md","text":"https://secwatch.observer/filing/0001104659-24-092447.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/908937/000110465924092447/0001104659-24-092447-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/908937/000110465924092447/tm2422393d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T07:56:37.272077+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"}