{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-016280","form_type":"8-K","ticker":"PB","cik":"0001068851","company_name":"PROSPERITY BANCSHARES INC","filed_at":"2023-05-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:37.841852+00:00","generated_at":"2026-06-16T04:35:51.807856+00:00","sec_items":["8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Prosperity Bancshares completes merger with First Bancshares of Texas for 3.58M shares + $91.5M cash","bullets":["Issued 3,583,370 shares of common stock plus $91.5 million in cash for all outstanding First Bancshares shares.","FirstCapital Bank of Texas merged into Prosperity Bank; integration scheduled for May 15, 2023.","Ken Burgess, Greg Burgess, and Jeremy Bishop join as Regional Presidents; Brad Burgess as West Texas business development director.","FirstCapital operated 16 banking centers in West, North, and Central Texas; combined entity has 286 full-service branches."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-016280","json":"https://secwatch.observer/filing/0000950170-23-016280.json","markdown":"https://secwatch.observer/filing/0000950170-23-016280.md","text":"https://secwatch.observer/filing/0000950170-23-016280.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1068851/000095017023016280/0000950170-23-016280-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1068851/000095017023016280/pb-20230501.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T04:35:51.807856+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"}