# EDGAR Filing Document

**Accession Number:** 0000315709
**File Stem:** 0001415889-25-015968
**Filing Date:** 2025-6
**Character Count:** 6097
**Document Hash:** 54137534909b82473667f8f1169a2851
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001415889-25-015968.hdr.sgml**: 20250606

**ACCESSION NUMBER**: 0001415889-25-015968

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250605

**FILED AS OF DATE**: 20250606

**DATE AS OF CHANGE**: 20250606

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** WAWROSKI JUDITH I
- **CENTRAL INDEX KEY:** 0001730982

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-09439
- **FILM NUMBER:** 251030698

**MAIL ADDRESS:**
- **STREET 1:** 1200 SAN BERNARDO
- **CITY:** LAREDO
- **STATE:** TX
- **ZIP:** 78040
**ISSUER**: 

**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

**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

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>WAWROSKI JUDITH I<br><sub>(Last) (First) (Middle)</sub><br>1200 SAN BERNARDO<br><sub>(Street)</sub><br>LAREDO, TX 78040<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-05 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_TREASURER/PAO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>INTERNATIONAL BANCSHARES CORP [ IBOC ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-06-05 |  | M |  | 700 | A | $38.30 | 10872 | D |  |
| Common Stock | 2025-06-05 |  | M |  | 300 | A | $16.84 | 11172 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| EMPLOYEE STOCK OPTION (RIGHT TO BUY) | $38.30 | 2025-06-05 |  | M |  |  | 700 | 2023-04-02<sup>(1)</sup> | 2028-04-02 | COMMON STOCK | 700 | $0 | 0 | D |  |
| EMPLOYEE STOCK OPTION (RIGHT TO BUY) | $16.84 | 2025-06-05 |  | M |  |  | 300 | 2025-03-20<sup>(2)</sup> | 2030-03-20 | COMMON STOCK | 300 | $0 | 0 | D |  |

---

### Footnotes:

(1) GRANTED  4/2/2018 10 YEAR VESTING SCHEDULE 1ST YR 0%, 2ND YR 5%, 3RD YR 10%, 4TH YR 15%, 5TH YR 20%, 6TH YR 25%, 7TH YR 25%

(2) GRANTED 3/20/2020 10 YEAR VESTING SCHEDULE 1ST YR 0%, 2ND YR 5%, 3RD YR 10%, 4TH YR 15%, 5TH YR 20%, 6TH YR 25%, 7TH YR 25%.

**Signature:** /s/ JUDITH WAWROSKI  
**Date:** 2025-06-06

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**