{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-134960","form_type":"8-K","ticker":"FANG","cik":"0001539838","company_name":"Diamondback Energy, Inc.","filed_at":"2025-06-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.699052+00:00","generated_at":"2026-05-19T23:53:43.233906+00:00","sec_items":["8.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Diamondback subsidiary Viper to acquire Sitio Royalties in $4.1B all-equity deal","bullets":["Deal value ~$4.1B including ~$1.1B net debt of Sitio as of March 31, 2025.","Viper will issue equity to Sitio stockholders; Diamondback stockholders signed support agreement with 90-day lock-up post-close.","Diamondback stockholders, holding majority Viper voting power, delivered written consent approving merger.","Closing subject to customary conditions; Diamondback stockholders also agreed not to transfer shares for 90 days."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-134960","json":"https://secwatch.observer/filing/0001193125-25-134960.json","markdown":"https://secwatch.observer/filing/0001193125-25-134960.md","text":"https://secwatch.observer/filing/0001193125-25-134960.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1539838/000119312525134960/0001193125-25-134960-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1539838/000119312525134960/d39778d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-19T23:53:43.233906+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"}