3 insiders reported 9 Form 4 transactions for INTERNATIONAL BANCSHARES CORP (IBOC) over the past 18 months (most recent 2026-05-22). Recent activity: Norton Larry A (Director) Sell 10,000 shares, WAWROSKI JUDITH I (TREASURER/PAO) Buy 875 shares, WAWROSKI JUDITH I (TREASURER/PAO) Buy 300 shares, WAWROSKI JUDITH I (TREASURER/PAO) Buy 600 shares, WAWROSKI JUDITH I (TREASURER/PAO) Sell 600 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-22 | Norton Larry A | Director | Sell | 10,000 | $720,000 |
| 2026-02-10 | WAWROSKI JUDITH I | TREASURER/PAO | Buy | 875 | $33,512 |
| 2026-02-10 | WAWROSKI JUDITH I | TREASURER/PAO | Buy | 300 | $5,052 |
| 2025-09-09 | WAWROSKI JUDITH I | TREASURER/PAO | Buy | 600 | $23,598 |
| 2025-09-09 | WAWROSKI JUDITH I | TREASURER/PAO | Sell | 600 | $42,948 |
| 2025-08-15 | SANCHEZ ANTONIO R JR | Director | Sell | 80,000 | $5.6M |
| 2025-08-15 | SANCHEZ ANTONIO R JR | Director | Sell | 40,000 | $2.7M |
| 2025-06-06 | WAWROSKI JUDITH I | TREASURER/PAO | Buy | 700 | $26,810 |
| 2025-06-06 | WAWROSKI JUDITH I | TREASURER/PAO | Buy | 300 | $5,052 |
Source: SEC Form 4 filings · as of 2026-05-22