International Bancshares Corp: withdraws Nasdaq listing to transfer to TXSE

What happened The company announced on Oct 6, 2026 that, acting pursuant to authorization from its board of directors, it notified The Nasdaq Stock Market LLC of its intention to voluntarily withdraw the listing of its common stock, par value $1.00 per share, and transfer the listing to the Texas Stock Exchange LLC (TXSE). The company expects listing and trading on Nasdaq to cease at the close of trading on Friday, Oct 16, 2026, and listing and trading on TXSE to begin at market open on Monday, Oct 19, 2026. The common stock has been approved for listing on TXSE and will continue to trade under the ticker symbol "IBOC." The company issued a press release on Oct 6, 2026 announcing the anticipated transfer.

Key details

• Filing date: Oct 6, 2026; reported under Item 3.01 and Item 7.01 of Form 8-K.
• Nasdaq listing expected to cease at the close of trading on Friday, Oct 16, 2026.
• TXSE listing expected to begin at market open on Monday, Oct 19, 2026.
• Common stock par value: $1.00 per share; TXSE ticker: IBOC.

Why it may matter This report includes Item 3.01 (notice of delisting or failure to satisfy a continued listing rule or standard), covering the voluntary withdrawal of the Nasdaq listing and transfer to TXSE, and Item 7.01 (Regulation FD disclosure) reporting the press release. This filing does not show why the company acted.