{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-113899","form_type":"8-K","ticker":"IBOC","cik":"0000315709","company_name":"INTERNATIONAL BANCSHARES CORP","filed_at":"2026-10-06T12:08:02+00:00","discovered_at":"2026-10-06T12:10:00.363138+00:00","generated_at":"2026-10-12T16:33:11.591975+00:00","sec_items":["3.01","7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"International Bancshares to move primary listing from Nasdaq to Texas Stock Exchange on Oct. 19","bullets":["Nasdaq trading of IBOC expected to cease at close Friday, Oct. 16, 2026; TXSE trading begins at market open Monday, Oct. 19, 2026 under the same ticker \"IBOC\".","Company, a $17 billion Texas bank holding company founded in Laredo in 1966, serves 75 communities across Texas and Oklahoma through five subsidiary banks.","Board-authorized notice given to Nasdaq on Oct. 6, 2026; IBC says its Texas operations, customer base and community ties drove the decision.","Chairman/CEO Dennis E. Nixon cited 60 years of Texas business; TXSE Chairman/CEO James H. Lee called IBC \"one of the great franchises in Texas banking.\"","No shareholder action is required; IBC plans a closing-bell ceremony in Houston on Dec. 7, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-113899","json":"https://secwatch.observer/filing/0001104659-26-113899.json","markdown":"https://secwatch.observer/filing/0001104659-26-113899.md","text":"https://secwatch.observer/filing/0001104659-26-113899.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/315709/000110465926113899/0001104659-26-113899-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/315709/000110465926113899/tm2627039d1_8k.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T16:33:11.591975+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"}