International Bancshares Corp
IBOCFigures shown here come from public SEC filings. Dates beside each section show the available history.
How International Bancshares Corp Makes Money
No flow chart is shown because the available revenue and expense lines do not reconcile exactly. The reported financial history below remains available.
Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 18 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated May 22, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| True Wealth Design, LLC | 2026-03-31 | 31 | $2.09K | SEC filing |
| Cerity Partners LLC | 2026-03-31 | 196,860 | $13.2M | SEC filing |
| TCTC Holdings, LLC | 2026-03-31 | 3,242 | $218K | SEC filing |
| Rafferty Asset Management, LLC | 2026-03-31 | 32,949 | $2.22M | SEC filing |
| FMR LLC | 2026-03-31 | 6,043 | $407K | SEC filing |
| Avion Wealth | 2026-03-31 | 21 | Not shown | SEC filing |
| MILLENNIUM MANAGEMENT LLC | 2026-03-31 | 712,435 | $47.9M | SEC filing |
| Parkside Financial Bank & Trust | 2026-03-31 | 89 | $5.99K | SEC filing |
| Aquatic Capital Management LLC | 2026-03-31 | 12,606 | $848K | SEC filing |
| CIBC Bancorp USA Inc. | 2026-03-31 | 3,622 | $244K | SEC filing |
| Atlantic Union Bankshares Corp | 2026-03-31 | 4 | $269 | SEC filing |
| TWO SIGMA SECURITIES, LLC | 2026-03-31 | 3,966 | $267K | SEC filing |
| Bank of New York Mellon Corp | 2026-03-31 | 448,252 | $30.2M | SEC filing |
| Brevan Howard Capital Management LP | 2026-03-31 | 30,653 | $2.06M | SEC filing |
| TUDOR INVESTMENT CORP ET AL | 2026-03-31 | 26,272 | $1.77M | SEC filing |
| HANCOCK WHITNEY CORP | 2026-03-31 | 20,947 | $1.5M | SEC filing |
| MALTESE CAPITAL MANAGEMENT LLC | 2026-03-31 | 131,739 | $8.86M | SEC filing |
| Invesco Ltd. | 2026-03-31 | 385,648 | $26M | SEC filing |
| Freestone Grove Partners LP | 2026-03-31 | 18,833 | $1.27M | SEC filing |
| PRINCIPAL FINANCIAL GROUP INC | 2026-03-31 | 121,768 | $8.19M | SEC filing |
- Each value is checked against International Bancshares Corp's share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 1 row: the value per share could not be confirmed against the share prices on file from within three months of the report date.
120 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among International Bancshares Corp's recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2025-08-14 · SANCHEZ ANTONIO R JR: Larger than all 17 other insider sales of Common Stock on file. SEC filing
- 2024-11-13 · NIXON DENNIS E: Larger than 16 of the 17 other insider sales of Common Stock on file. SEC filing
- 2020-09-01 · SANCHEZ ANTONIO R JR: Larger than 42 of the 43 other insider sales of COMMON STOCK on file. SEC filing
- 2017-11-20 · SANCHEZ ANTONIO R JR: Larger than 39 of the 43 other insider sales of COMMON STOCK on file. SEC filing
- 2017-11-17 · SANCHEZ ANTONIO R JR: Larger than 41 of the 43 other insider sales of COMMON STOCK on file. SEC filing
- 2014-03-03 · SANCHEZ ANTONIO R JR: Larger than all 43 other insider sales of COMMON STOCK on file. SEC filing
- 2012-11-16 · SANCHEZ ANTONIO R JR: Larger than 40 of the 43 other insider sales of COMMON STOCK on file. SEC filing
Independent insiders buying near the same time
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-05-21 | Norton Larry A · Director | Common Stock | S — Open market or private sale | −10,000 | 72.00 | SEC filing |
| 2025-08-15 | SANCHEZ ANTONIO R JR · Director, 10% owner | Common Stock | S — Open market or private sale | −40,000 | 68.12 | SEC filing |
| 2025-08-14 | SANCHEZ ANTONIO R JR · Director, 10% owner | Common Stock | S — Open market or private sale | −80,000 | 69.83 | SEC filing |
| 2024-11-13 | NIXON DENNIS E · CEO | Common Stock | S — Open market or private sale | −65,185 | 71.47 | SEC filing |
| 2024-11-12 | NIXON DENNIS E · CEO | Common Stock | S — Open market or private sale | −34,815 | 72.18 | SEC filing |
| 2024-05-22 | SANCHEZ ANTONIO R JR · Director, 10% owner | Common Stock | S — Open market or private sale | −49,888 | 58.39 | SEC filing |
| 2024-05-21 | SANCHEZ ANTONIO R JR · Director, 10% owner | Common Stock | S — Open market or private sale | −30,112 | 59.75 | SEC filing |
| 2024-03-11 | SANCHEZ ANTONIO R JR · Director, 10% owner | Common Stock | S — Open market or private sale | −40,000 | 54.22 | SEC filing |
Showing 8 of 20 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-02-06 | WAWROSKI JUDITH I · TREASURER/PAO | EMPLOYEE STOCK OPTION (RIGHT TO BUY) | M — Exercise or conversion of derivative security | −875 | SEC filing |
| 2026-02-06 | WAWROSKI JUDITH I · TREASURER/PAO | Common Stock | M — Exercise or conversion of derivative security | +875 | SEC filing |
| 2026-02-06 | WAWROSKI JUDITH I · TREASURER/PAO | Common Stock | M — Exercise or conversion of derivative security | +300 | SEC filing |
| 2026-02-06 | WAWROSKI JUDITH I · TREASURER/PAO | EMPLOYEE STOCK OPTION (RIGHT TO BUY) | M — Exercise or conversion of derivative security | −300 | SEC filing |
| 2025-09-05 | WAWROSKI JUDITH I · TREASURER/PAO | Common Stock | M — Exercise or conversion of derivative security | +600 | SEC filing |
| 2025-09-05 | WAWROSKI JUDITH I · TREASURER/PAO | STOCK APPRECIATION RIGHTS | M — Exercise or conversion of derivative security | +600 | SEC filing |
| 2025-06-05 | WAWROSKI JUDITH I · TREASURER/PAO | Common Stock | M — Exercise or conversion of derivative security | +700 | SEC filing |
| 2025-06-05 | WAWROSKI JUDITH I · TREASURER/PAO | Common Stock | M — Exercise or conversion of derivative security | +300 | SEC filing |
Showing 8 of 24 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2025-09-05 | WAWROSKI JUDITH I · TREASURER/PAO | Common Stock | D — Disposition to the issuer | −600 | SEC filing |
| 2023-10-04 | SANCHEZ ANTONIO R JR · Director, 10% owner | Common Stock | J — Other acquisition or disposition | −10,000 | SEC filing |
| 2023-03-15 | SANCHEZ ANTONIO R JR · Director, 10% owner | Common Stock | J — Other acquisition or disposition | −50,000 | SEC filing |
| 2022-10-05 | SANCHEZ ANTONIO R JR · Director, 10% owner | Common Stock | J — Other acquisition or disposition | −100,000 | SEC filing |
| 2022-08-04 | SANCHEZ ANTONIO R JR · Director, 10% owner | Common Stock | J — Other acquisition or disposition | −14,000 | SEC filing |
| 2021-09-16 | NIXON DENNIS E · CEO | COMMON STOCK | J — Other acquisition or disposition | +400,000 | SEC filing |
| 2021-09-09 | NIXON DENNIS E · CEO | COMMON STOCK | J — Other acquisition or disposition | +1,000,000 | SEC filing |
| 2021-08-30 | NIXON DENNIS E · CEO | COMMON STOCK | J — Other acquisition or disposition | +797 | SEC filing |
Showing 8 of 10 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.