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

Chief executives

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.

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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