{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-22-033633","form_type":"8-K","ticker":"PB","cik":"0001068851","company_name":"PROSPERITY BANCSHARES INC","filed_at":"2022-10-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.494726+00:00","generated_at":"2026-06-23T04:51:42.640426+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Prosperity Bancshares directors Hunt and Fisk resign; Murillo and Blanco appointed","bullets":["Bruce W. Hunt and George A. Fisk resigned effective Oct. 5, 2022, for personal reasons, no dispute.","Dr. Laura Murillo appointed Class II director; Ileana Blanco appointed Class III director, both effective Oct. 5, 2022.","Murillo is President/CEO of Houston Hispanic Chamber of Commerce; Blanco is attorney with extensive financial institution experience.","New directors will serve until the 2023 annual meeting; Blanco joins Compensation Committee."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-22-033633","json":"https://secwatch.observer/filing/0001564590-22-033633.json","markdown":"https://secwatch.observer/filing/0001564590-22-033633.md","text":"https://secwatch.observer/filing/0001564590-22-033633.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1068851/000156459022033633/0001564590-22-033633-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1068851/000156459022033633/pb-8k_20221004.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T04:51:42.640426+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":[{"claim_id":"5cac36e7c9","claim":"Ileana Blanco was appointed as Director at PROSPERITY BANCSHARES INC.","evidence_excerpt":"The Board, upon recommendation of the Nominating and Corporate Governance Committee of the Board, voted to appoint Dr. Laura Murillo as a Class II Director to fill the vacancy created by Mr. Hunt’s resignation and Ileana Blanco as a Class III Director to fill the vacancy created by Mr. Fisk’s resignation, effective as of the close of business on October 5, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1068851/000156459022033633/0001564590-22-033633-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"a815909da1","claim":"George A. Fisk resigned as Director at PROSPERITY BANCSHARES INC.","evidence_excerpt":"The Board of Directors (the “Board”) of Prosperity Bancshares, Inc. (the “Company”) received written notification from each of Bruce W. Hunt and George A. Fisk, directors of the Company, that each will resign as a director of the Company effective as of the close of business on October 5, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1068851/000156459022033633/0001564590-22-033633-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"cc4b6dbd8b","claim":"Dr. Laura Murillo was appointed as Director at PROSPERITY BANCSHARES INC.","evidence_excerpt":"The Board, upon recommendation of the Nominating and Corporate Governance Committee of the Board, voted to appoint Dr. Laura Murillo as a Class II Director to fill the vacancy created by Mr. Hunt’s resignation and Ileana Blanco as a Class III Director to fill the vacancy created by Mr. Fisk’s resignation, effective as of the close of business on October 5, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1068851/000156459022033633/0001564590-22-033633-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"ff79cc4d75","claim":"Bruce W. Hunt resigned as Director at PROSPERITY BANCSHARES INC.","evidence_excerpt":"The Board of Directors (the “Board”) of Prosperity Bancshares, Inc. (the “Company”) received written notification from each of Bruce W. Hunt and George A. Fisk, directors of the Company, that each will resign as a director of the Company effective as of the close of business on October 5, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1068851/000156459022033633/0001564590-22-033633-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}