International Bancshares amends bylaws to remove 3% derivative standing, exclusive forum, jury waiver

INTERNATIONAL BANCSHARES CORP

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.

Key facts

Extracted from this filing and checked against the source text.

Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 0.9

INTERNATIONAL BANCSHARES CORP: Removed 3% beneficial ownership threshold for derivative proceedings, eliminated exclusive forum clause, and removed jury trial waiver requirement (effective 2026-05-12).

Change: bylaw amendment
Effective: 2026-05-12

Exact text from the filing

Third Amended and Restated By-Laws of IBC (the “By-Laws”) to remove the requirement that a shareholder or group of shareholders may not institute or maintain a derivative proceeding unless that shareholder or group of shareholders beneficially own three percent of IBC’s issued and outstanding common stock, par value $1.00 per share, at the time such derivative proceeding is instituted. In addition, the By-Laws were amended to eliminate the exclusive forum clause

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Source: SEC EDGAR

accession 0001104659-26-059135

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