International Bancshares Corporation
Last updated September 27, 2026
Organization details
- Legal name
- International Bancshares Corporation
- Ownership
- Public
- Status
- Active
- SIC code
- 6022 — State Commercial Banks
- Jurisdiction of incorporation
- Texas
- Headquarters city
- Laredo
- Headquarters state / province
- Texas
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- IBOC
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000315709
- EIN
- 74-2157138
- Wikidata ID
- Q6048685
Board of directors
-
Antonio R. Sanchez Jr. · DirectorSince 2023
-
Dennis E. Nixon · Director · CEOSince 2023
-
Diana G. Zuniga · DirectorSince 2023
-
Larry A. Norton · DirectorSince 2026
Chief executives
Dennis E. Nixon
· CEO
Dates unknown
Director election results
Annual meeting of May 18, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
83.5%
-
85.9%
-
87.9%
-
98.0%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $720,000
- 1 sale by 1 insider
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 21, 2026 | Larry A. Norton Director | Open-market sale | −10,000 | $72.00 | $720,000 |
| Feb 6, 2026 | WAWROSKI JUDITH I Officer (TREASURER/PAO) | Option exercise | +875 | $38.30 | $33,513 |
| Feb 6, 2026 | WAWROSKI JUDITH I Officer (TREASURER/PAO) | Option exercise | +300 | $16.84 | $5,052 |
| Sep 5, 2025 | WAWROSKI JUDITH I Officer (TREASURER/PAO) | Option exercise | +600 | $39.33 | $23,598 |
| Sep 5, 2025 | WAWROSKI JUDITH I Officer (TREASURER/PAO) | Sold back to the company | −600 | $71.58 | $42,948 |
| Aug 15, 2025 | Antonio R. Sanchez Jr. Director, 10% owner | Open-market sale | −40,000 | $68.12 | $2,724,800 |
| Aug 14, 2025 | Antonio R. Sanchez Jr. Director, 10% owner | Open-market sale | −80,000 | $69.83 | $5,586,400 |
| Jun 5, 2025 | WAWROSKI JUDITH I Officer (TREASURER/PAO) | Option exercise | +700 | $38.30 | $26,810 |
| Jun 5, 2025 | WAWROSKI JUDITH I Officer (TREASURER/PAO) | Option exercise | +300 | $16.84 | $5,052 |
| Dec 17, 2024 | Antonio R. Sanchez Jr. Director, 10% owner | Gift | −9,000 | — | — |
| Dec 17, 2024 | Antonio R. Sanchez Jr. Director, 10% owner | Gift | +9,000 | — | — |
| Nov 13, 2024 | Dennis E. Nixon Director, Officer (CEO) | Open-market sale | −65,185 | $71.47 | $4,658,772 |
| Nov 12, 2024 | Dennis E. Nixon Director, Officer (CEO) | Open-market sale | −34,815 | $72.18 | $2,512,947 |
| Aug 13, 2024 | WAWROSKI JUDITH I Officer (TREASURER/PAO) | Option exercise | +500 | $38.30 | $19,150 |
| May 22, 2024 | Antonio R. Sanchez Jr. Director, 10% owner | Open-market sale | −49,888 | $58.39 | $2,912,960 |
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