secwatch.observer — SEC 8-K summary
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Issuer:     INTERNATIONAL BANCSHARES CORP (IBOC)
CIK:        0000315709
Form:       8-K
Filed at:   2026-05-12T15:01:07+00:00
Accession:  0001104659-26-059135
Event type: other_material
Sentiment:  neutral
Materiality: 0.25
Item codes: 5.03, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

International Bancshares amends bylaws to remove 3% derivative standing, exclusive forum, jury waiver
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- Removed requirement that shareholders must beneficially own 3% of stock to bring derivative proceedings.
- Eliminated exclusive forum clause that designated Texas Business Court as sole venue for claims.
- Removed mandatory jury trial waiver for internal entity claims against IBC.
- Amendments adopted by Board and effective May 12, 2026.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/315709/000110465926059135/0001104659-26-059135-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/315709/000110465926059135/tm2614341d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-059135

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