{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-168540","form_type":"8-K","ticker":"PB","cik":"0001068851","company_name":"PROSPERITY BANCSHARES INC","filed_at":"2026-04-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:31.901116+00:00","generated_at":"2026-05-15T04:49:04.472995+00:00","sec_items":["8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Prosperity gets all regulatory approvals for Stellar acquisition; closing expected July 1, 2026","bullets":["Received all regulatory approvals: FRB Dallas waiver, FDIC, Texas Dept. of Banking.","Stellar shareholder meeting scheduled for May 27, 2026, to vote on merger.","Merger expected to close on or about July 1, 2026, subject to shareholder approval and other conditions.","Prosperity's S-4 registration statement declared effective April 21; proxy mailed April 23, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-168540","json":"https://secwatch.observer/filing/0001193125-26-168540.json","markdown":"https://secwatch.observer/filing/0001193125-26-168540.md","text":"https://secwatch.observer/filing/0001193125-26-168540.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1068851/000119312526168540/0001193125-26-168540-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1068851/000119312526168540/pb-20260422.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T04:49:04.472995+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"}