secwatch.observer — SEC 8-K summary
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Issuer:     INTERNATIONAL BANCSHARES CORP (IBOC)
CIK:        0000315709
Form:       8-K
Filed at:   2026-10-06T12:08:02+00:00
Accession:  0001104659-26-113899
Event type: other_material
Sentiment:  neutral
Materiality: 0.40
Item codes: 3.01, 7.01, 9.01
LLM model:  deepseek-v4.1-flash:cloud@v2

International Bancshares to move primary listing from Nasdaq to Texas Stock Exchange on Oct. 19
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- 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.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/315709/000110465926113899/0001104659-26-113899-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/315709/000110465926113899/tm2627039d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-113899

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