---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-21-009049"
form_type: "8-K"
ticker: "IBOC"
cik: "0000315709"
company_name: "INTERNATIONAL BANCSHARES CORP"
filed_at: "2021-07-21T23:59:59+00:00"
generated_at: "2026-06-30T03:52:38.893205+00:00"
event_type: "other"
sentiment: "positive"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# IBC subsidiaries ranked #1 in TX, #3 in OK by Forbes 'Best Banks' list

## Summary
- IBC Bank in Texas ranked #1 and IBC Bank in Oklahoma ranked #3 in Forbes' fourth annual 'Best Banks' list.
- Ranking based on overall recommendations and satisfaction; 25,000 U.S. customers surveyed.
- Of 4,978 FDIC-insured banks, only 135 (2.7%) made the list.
- CEO Dennis Nixon credited employee dedication and the 'Do More' mantra for the recognition.

## SEC filing metadata
- accession: 0001558370-21-009049
- form_type: 8-K
- ticker: IBOC
- cik: 0000315709
- company_name: INTERNATIONAL BANCSHARES CORP
- filed_at: 2021-07-21T23:59:59+00:00
- event_type: other
- sentiment: positive
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 8.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/315709/000155837021009049/0001558370-21-009049-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/315709/000155837021009049/iboc-20210721x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-21-009049
- JSON: https://secwatch.observer/filing/0001558370-21-009049.json
- Plain text: https://secwatch.observer/filing/0001558370-21-009049.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.