Based on data from the past 90 days ending January 21, 2026, International Bancshares's three largest insider shareholders are Director Antonio R Jr Sanchez (3.04Mn shares), Ceo Dennis E Nixon (932.75K shares), Treasurer/Pao Judith I Wawroski (11.17K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Antonio R Jr Sanchez | 3,037,799 | 15 Aug, 2025 | |
| Dennis E Nixon | Ceo | 932,753 | 14 Nov, 2024 |
| Judith I Wawroski | Treasurer/Pao | 11,172 | 09 Sep, 2025 |
| Dalia F Martinez | Vice President | 10,814 | 25 Jan, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Sep, 2025 | Judith I Wawroski | Common Stock | D | 600 | $71.58 | 11,172 | D | D |
| 05 Sep, 2025 | Judith I Wawroski | Common Stock | A | 600 | $39.33 | 11,772 | D | M |
| 15 Aug, 2025 | Antonio R Jr Sanchez | Common Stock | D | 40,000 | $68.12 | 1,232,245 | I | S |
| 14 Aug, 2025 | Antonio R Jr Sanchez | Common Stock | D | 80,000 | $69.83 | 1,805,554 | D | S |
| 05 Jun, 2025 | Judith I Wawroski | Common Stock | A | 300 | $16.84 | 11,172 | D | M |
| 05 Jun, 2025 | Judith I Wawroski | Common Stock | A | 700 | $38.30 | 10,872 | D | M |
| 17 Dec, 2024 | Antonio R Jr Sanchez | - | - | 9,000 | I | |||
| 17 Dec, 2024 | Antonio R Jr Sanchez | - | - | 1,805,554 | D | |||
| 17 Dec, 2024 | Antonio R Jr Sanchez | Common Stock | A | 9,000 | $0.00 | 9,000 | I | G |
| 17 Dec, 2024 | Antonio R Jr Sanchez | Common Stock | D | 9,000 | $0.00 | 1,805,554 | D | G |
| 13 Nov, 2024 | Dennis E Nixon | Common Stock | D | 65,185 | $71.47 | 284,371 | I | S |
| 13 Nov, 2024 | Dennis E Nixon | - | - | 284,371 | I | |||
| 12 Nov, 2024 | Dennis E Nixon | - | - | 648,382 | D | |||
| 12 Nov, 2024 | Dennis E Nixon | Common Stock | D | 34,815 | $72.18 | 648,382 | D | S |
| 13 Aug, 2024 | Judith I Wawroski | Common Stock | A | 500 | $38.30 | 10,172 | D | M |
| 13 Aug, 2024 | Judith I Wawroski | - | - | 10,172 | D | |||
| 22 May, 2024 | Antonio R Jr Sanchez | - | - | 567,439 | I | |||
| 22 May, 2024 | Antonio R Jr Sanchez | Common Stock | D | 49,888 | $58.39 | 567,439 | I | S |
| 21 May, 2024 | Antonio R Jr Sanchez | - | - | 1,814,554 | D | |||
| 21 May, 2024 | Antonio R Jr Sanchez | Common Stock | D | 30,112 | $59.75 | 1,814,554 | D | S |