{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-039476","form_type":"8-K","ticker":"PB","cik":"0001068851","company_name":"PROSPERITY BANCSHARES INC","filed_at":"2024-04-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:17.158767+00:00","generated_at":"2026-06-04T04:19:32.158586+00:00","sec_items":["8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Prosperity Bancshares closes Lone Star State Bancshares merger for $64.1M cash + 2.38M shares","bullets":["Merger effective April 1, 2024; 2,376,182 PB shares and ~$64.1 million cash paid for all LS Bancshares shares.","Lone Star operated 5 banking centers in West Texas; integration to combine 288 PB branches by Oct 28, 2024.","Lone Star CEO Alan Lackey named West Texas Area President; Melisa Roberts named West Texas Area VP.","Lone Star locations to keep name until October 28, 2024 operational integration."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-039476","json":"https://secwatch.observer/filing/0000950170-24-039476.json","markdown":"https://secwatch.observer/filing/0000950170-24-039476.md","text":"https://secwatch.observer/filing/0000950170-24-039476.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1068851/000095017024039476/0000950170-24-039476-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1068851/000095017024039476/pb-20240401.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T04:19:32.158586+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"}