{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-24-004650","form_type":"8-K","ticker":"IBOC","cik":"0000315709","company_name":"INTERNATIONAL BANCSHARES CORP","filed_at":"2024-04-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:21.528996+00:00","generated_at":"2026-06-04T03:03:21.178871+00:00","sec_items":["8.01","2.02","7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"International Bancshares ranked #1 by S&P Global Market Intelligence for 2023","bullets":["Ranked #1 among U.S. public banks with total assets exceeding $10B as of Dec 31, 2023.","Assessment based on returns, growth, efficiency, and balance sheet strength criteria.","CEO Dennis Nixon attributed recognition to strong risk management and cost controls.","IBC operates 165 facilities and 256 ATMs across Texas and Oklahoma."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-24-004650","json":"https://secwatch.observer/filing/0001558370-24-004650.json","markdown":"https://secwatch.observer/filing/0001558370-24-004650.md","text":"https://secwatch.observer/filing/0001558370-24-004650.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/315709/000155837024004650/0001558370-24-004650-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/315709/000155837024004650/iboc-20240403x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T03:03:21.178871+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"}