Welcome to our dedicated page for International Bancshares SEC filings (Ticker: IBOC), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
International Bancshares Corporation filings document a Texas-incorporated bank holding company with IBOC common stock, $1.00 par value, listed on Nasdaq. Recent Form 8-K reports furnish operating results and financial-condition updates, including net income releases, dividend declarations and Regulation FD exhibits.
Proxy materials describe annual shareholder voting matters, director elections, independent auditor ratification and advisory executive-compensation votes. Other current reports record governance changes such as amended bylaws for shareholder derivative proceedings, while the company’s public-company disclosures identify its capital stock, exchange listing, incorporation jurisdiction and board actions.
International Bancshares Corp (IBOC) Form 144 notice shows a proposed sale of 120,000 shares of common stock through Piper Sandler & Co., with an aggregate market value of $8,503,200.00. The sale is scheduled for 08/14/2025 on NASDAQ. The shares were acquired on 07/23/1996 as a partnership contribution from Santig Ltd, and payment was recorded on the acquisition date. The filer reports no securities sold in the past three months for the person on whose account these shares will be sold. The notice includes the required representation that the seller is not aware of undisclosed material adverse information about the issuer.
International Bancshares Corporation adopted Second Amended and Restated By-Laws effective August 6, 2025. The By-Laws require that a shareholder or group beneficially own 3% of IBC's common stock to institute or maintain a derivative proceeding. They designate the Texas Business Court, Fourth Business Court Division, or if that court lacks jurisdiction the U.S. District Court for the Southern District of Texas, or if that court lacks jurisdiction the state district court of Webb County as the sole and exclusive forum for filings unless agreed otherwise. The By-Laws also provide that, to the fullest extent permitted by law, shareholders, directors, and officers irrevocably and unconditionally waive any right to a trial by jury in internal entity claims and other claims against IBC, and state that purchasers or holders of IBC stock are deemed to have notice of and consented to these provisions. A copy of the By-Laws is attached as Exhibit 3.1.
International Bancshares Corp. (NASDAQ: IBOC) filed a Form 8-K on August 1, 2025 to disclose a shareholder-return action under Item 8.01. The Board of Directors approved a semi-annual $0.70 per-share cash dividend on the company’s common stock.
Key dates: shareholders of record as of August 15, 2025 will receive payment on August 29, 2025. The related press release is furnished as Exhibit 99 and incorporated by reference. No other operational metrics, guidance, or transactions were reported; the disclosure is furnished for Regulation FD purposes and is not deemed “filed” under Section 18 of the Exchange Act.