---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-064211"
form_type: "8-K"
ticker: "IBOC"
cik: "0000315709"
company_name: "INTERNATIONAL BANCSHARES CORP"
filed_at: "2026-05-20T14:21:25+00:00"
generated_at: "2026-05-20T14:22:33.740103+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# IBOC annual meeting re-elects eight directors, ratifies RSM as auditor

## Summary
- All eight director nominees elected; votes ranged from 42.5M (Howland) to 50.4M (Miles) For.
- Directors Howland and Norton each faced over 8M votes against (8.45M and 8.39M respectively).
- Ratification of RSM US LLP as independent auditor passed with 55.98M For, 195,629 Against.
- Non-binding advisory vote on executive compensation approved: 49.4M For, 1.59M Against.
- No broker non-votes on auditor ratification; all other proposals had 5.17M broker non-votes.

## SEC filing metadata
- accession: 0001104659-26-064211
- form_type: 8-K
- ticker: IBOC
- cik: 0000315709
- company_name: INTERNATIONAL BANCSHARES CORP
- filed_at: 2026-05-20T14:21:25+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/315709/000110465926064211/0001104659-26-064211-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/315709/000110465926064211/tm2614341d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-064211
- JSON: https://secwatch.observer/filing/0001104659-26-064211.json
- Plain text: https://secwatch.observer/filing/0001104659-26-064211.txt

## Key facts
- Shareholder Votes
  INTERNATIONAL BANCSHARES CORP shareholders approved Non-binding advisory resolution to approve the compensation of the Company's named executive officers at the 2026-05-18 meeting.
  - Proposal: say on pay
  - Outcome: passed
  - Meeting: 2026-05-18
  source text: Non-binding Advisory Resolution on Compensation 49,397,712 1,592,585 26,794 5,172,819
  evidence_url: https://www.sec.gov/Archives/edgar/data/315709/000110465926064211/0001104659-26-064211-index.htm
- Shareholder Votes
  INTERNATIONAL BANCSHARES CORP shareholders approved Election of eight directors to serve until the next annual meeting at the 2026-05-18 meeting.
  - Proposal: director election
  - Outcome: passed
  - Meeting: 2026-05-18
  source text: Election of Directors Javier de Anda 50,312,229 692,795 12,067 5,172,819 Douglas B. Howland 42,540,965 8,452,097 24,029 5,172,819 Rudolph M. Miles 50,435,028 552,129 29,934 5,172,819 Dennis E. Nixon 49,981,267 1,026,700 9,124 5,172,819 Larry A. Norton 42,598,196 8,394,863 24,032 5,172,819 Roberto R. Reséndez 44,548,418 6,444,642 24,031 5,172,819 Antonio R. Sanchez, Jr. 43,800,283 7,206,098 10,710 5,172,819 Diana G. Zuniga 44,808,267 6,183,294 25,530 5,172,819
  evidence_url: https://www.sec.gov/Archives/edgar/data/315709/000110465926064211/0001104659-26-064211-index.htm
- Shareholder Votes
  INTERNATIONAL BANCSHARES CORP shareholders approved Ratification of RSM US LLP as the Company's independent auditor for the fiscal year ending December 31, 2026 at the 2026-05-18 meeting.
  - Proposal: auditor ratification
  - Outcome: passed
  - Meeting: 2026-05-18
  source text: Ratification of RSM US LLP 55,979,590 195,629 14,691 0
  evidence_url: https://www.sec.gov/Archives/edgar/data/315709/000110465926064211/0001104659-26-064211-index.htm

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