{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-042007","form_type":"8-K","ticker":"PTEN","cik":"0000889900","company_name":"PATTERSON UTI ENERGY INC","filed_at":"2023-08-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.899058+00:00","generated_at":"2026-06-11T13:36:11.885603+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"medium","headline":"Patterson-UTI provides merger update; proxy statement mailed for NexTier deal","bullets":["Registration statement for merger with NexTier declared effective July 31, 2023.","Joint proxy statement/prospectus mailed to stockholders on or about August 1, 2023.","Investor presentation delivered at Piper Sandler conference August 14-16, 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-042007","json":"https://secwatch.observer/filing/0000950170-23-042007.json","markdown":"https://secwatch.observer/filing/0000950170-23-042007.md","text":"https://secwatch.observer/filing/0000950170-23-042007.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/889900/000095017023042007/0000950170-23-042007-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/889900/000095017023042007/pten-20230814.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-11T13:36:11.885603+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"}