{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-077410","form_type":"8-K","ticker":"PBT","cik":"0000319654","company_name":"PERMIAN BASIN ROYALTY TRUST","filed_at":"2025-05-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.930094+00:00","generated_at":"2026-05-20T11:55:17.061615+00:00","sec_items":["8.01","9.01"],"event_type":"litigation","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Permian Basin Royalty Trust files amended lawsuit seeking >$9M in damages from Blackbeard Operating","bullets":["Second Amended Petition seeks more than $9 million for unpaid royalties from April 2020–Dec 2023.","Alleges Blackbeard improperly deducted overhead, labor, and saltwater disposal fees.","Trial set for November 17, 2025 in Tarrant County District Court.","Joint venture audit of 2024 production months underway; rights reserved for additional claims."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-077410","json":"https://secwatch.observer/filing/0000950170-25-077410.json","markdown":"https://secwatch.observer/filing/0000950170-25-077410.md","text":"https://secwatch.observer/filing/0000950170-25-077410.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/319654/000095017025077410/0000950170-25-077410-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/319654/000095017025077410/2025-05_pbt_lawsuit_8-k_.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T11:55:17.061615+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"}