{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-22-033861","form_type":"8-K","ticker":"PB","cik":"0001068851","company_name":"PROSPERITY BANCSHARES INC","filed_at":"2022-10-11T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.495003+00:00","generated_at":"2026-06-23T04:15:05.371388+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.72,"calibrated_materiality_score":0.72,"confidence":"high","headline":"Prosperity Bancshares announces two Texas bank acquisitions valued at ~$570M combined","bullets":["Acquires Lone Star State Bancshares for ~$228.7M (2.38M shares + $64.1M cash); $1.3B assets, $933.5M loans.","Acquires First Bancshares of Texas for ~$341.6M (3.58M shares + $93.4M cash); $2.1B assets, $1.6B loans.","Both acquisitions expected to close in Q1 2023, subject to regulatory and shareholder approvals.","Alan Lackey (Lone Star CEO) to serve as West Texas Area President; Ken Burgess to serve as Regional President."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-22-033861","json":"https://secwatch.observer/filing/0001564590-22-033861.json","markdown":"https://secwatch.observer/filing/0001564590-22-033861.md","text":"https://secwatch.observer/filing/0001564590-22-033861.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1068851/000156459022033861/0001564590-22-033861-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1068851/000156459022033861/pb-8k_20221011.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T04:15:05.371388+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"}