{"filing":{"accession_number":"0001193125-26-229945","cik":"0000319654","ticker":null,"company_name":"PERMIAN BASIN ROYALTY TRUST","form":"8-K","filing_date":"2026-05-19","report_date":null,"primary_document":"2026-05_pbt_amended_13-d.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/319654/000119312526229945/2026-05_pbt_amended_13-d.htm"},"classifications":[{"id":140,"accession_number":"0001193125-26-229945","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.92,"reasoning":"The Trust disclosed receipt of a Schedule 13D filed by SoftVest relating to a \"proposed business combination involving the Trust.\" The disclosure explicitly references a potential merger or change-of-control transaction, with anticipated Form S-4 filing and unitholder meeting. This constitutes material M\u0026A activity under Item 1.01 or 2.01 framework, even though disclosed via Item 7.01 (Regulation FD).","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-20T02:18:08.777779+00:00","company_name":"PERMIAN BASIN ROYALTY TRUST","ticker":null,"filing_date":"2026-05-19"}]}