# EDGAR Filing Document

**Accession Number:** 0000315709
**File Stem:** 0001104659-26-064211
**Filing Date:** 2026-5
**Character Count:** 6212
**Document Hash:** 242b060643497e44434d0c61115de466
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-064211.hdr.sgml**: 20260520

**ACCESSION NUMBER**: 0001104659-26-064211

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260518

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20260520

**DATE AS OF CHANGE**: 20260520

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** INTERNATIONAL BANCSHARES CORP
- **CENTRAL INDEX KEY:** 0000315709
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 742157138
- **STATE OF INCORPORATION:** TX
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-09439
- **FILM NUMBER:** 261002223

**BUSINESS ADDRESS:**
- **STREET 1:** 12OO SAN BERNARDO AVE
- **STREET 2:** PO BOX 1359
- **CITY:** LAREDO
- **STATE:** TX
- **ZIP:** 78040-1359
- **BUSINESS PHONE:** 9567227611

**MAIL ADDRESS:**
- **STREET 1:** P O BOX 1359
- **STREET 2:** 1200 SAN BERNARDO
- **CITY:** LAREDO
- **STATE:** TX
- **ZIP:** 78040

?xml version='1.0' encoding='ASCII'?

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-K**

**CURRENT REPORT**

**Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934**

Date of Report (Date of earliest event reported):**May 18, 2026**

**INTERNATIONAL BANCSHARES CORPORATION**

(Exact name of registrant as specified in its charter)

---

| | | |
|:---|:---|:---|
| **Texas** | **000-9439** | **74-2157138** |
| (State or other jurisdiction<br> of incorporation) | (Commission <br> File Number) | (IRS Employer<br> Identification No.) |

---

---

| | |
|:---|:---|
| **1200 San Bernardo, Laredo, Texas** | **78040-1359** |
| (Address of principal executive offices) | (Zip Code) |

---

Registrant's telephone number, including area code: **(956) 722-7611**

**None**

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2.below):

◻ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

◻ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

◻ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

◻ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 250.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

---

| | | |
|:---|:---|:---|
| **Title of each class:** | **Trading Symbol(s)** | **Name of each exchange on which registered:** |
| Common Stock, $1.00 par value | IBOC | The Nasdaq Stock Market |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ◻

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻

**Item 5.07. Submission of Matters to a Vote of Security Holders.**

On May 18, 2026, International Bancshares Corporation (the "Company") held its 2026 Annual Meeting of Shareholders (the "Annual Meeting"). As described in the Company's definitive proxy statement on Schedule 14A filed with the Securities and Exchange Commission on April 20, 2026 (the "Proxy Statement"), the Company submitted the following proposals to its shareholders for a vote:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) To elect eight (8) directors to serve until the next Annual Meeting of Shareholders and until their
successors are duly elected and qualified;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) To ratify the appointment of RSM US LLP as the Company's independent auditor for the fiscal year
ending December 31, 2026; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) To consider and approve a non-binding advisory resolution to approve the compensation of the Company's
named executive officers as described in the Compensation Discussion and Analysis and the tabular disclosures in the Proxy Statement.

The following table lists the final voting results for Proposals 1, 2, and 3 at the Annual Meeting:

---

| | | | | |
|:---|:---|:---|:---|:---|
|  | **For** | **Against** | **Abstain** | **Broker Non-Votes** |
| **Election of Directors** |  |  |  |  |
| Javier de Anda | 50312229 | &nbsp;&nbsp;&nbsp;&nbsp;692795 | 12067 | 5172819 |
| Douglas B. Howland | 42540965 | 8452097 | 24029 | 5172819 |
| Rudolph M. Miles | 50435028 | &nbsp;&nbsp;&nbsp;&nbsp;552129 | 29934 | 5172819 |
| Dennis E. Nixon | 49981267 | 1026700 | &nbsp;&nbsp;&nbsp;&nbsp;9124 | 5172819 |
| Larry A. Norton | 42598196 | 8394863 | 24032 | 5172819 |
| Roberto R. Reséndez | 44548418 | 6444642 | 24031 | 5172819 |
| Antonio R. Sanchez, Jr. | 43800283 | 7206098 | 10710 | 5172819 |
| Diana G. Zuniga | 44808267 | 6183294 | 25530 | 5172819 |
| **Ratification of RSM US LLP** | 55979590 | &nbsp;&nbsp;&nbsp;&nbsp;195629 | 14691 | 0 |
| **Non-binding Advisory Resolution on Compensation** | 49397712 | 1592585 | 26794 | 5172819 |

---

Based on the foregoing results, each director nominee named above was elected by a majority-vote standard, which is the voting standard required by the Company's Articles of Incorporation for uncontested director elections. Proposals 2 and 3 were also approved by a majority vote.

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

**INTERNATIONAL BANCSHARES CORPORATION**

---

| | |
|:---|:---|
| By: | /s/ Dennis E. Nixon |
|  | Dennis E. Nixon |
|  | President and Chief Executive Officer |

---

Date: May 20, 2026