Dennis E. Nixon
CEO at International Bancshares Corporation
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: International Bancshares Corporation, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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International Bancshares Corporation May 18, 202698.0%
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International Bancshares Corporation May 19, 202596.9%
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International Bancshares Corporation May 20, 202497.2%
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International Bancshares Corporation May 15, 202396.8%
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.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 13, 2024 | International Bancshares Corporation | Open-market sale | −65,185 | $71.47 | $4,658,772 |
| Nov 12, 2024 | International Bancshares Corporation | Open-market sale | −34,815 | $72.18 | $2,512,947 |
| Feb 7, 2023 | International Bancshares Corporation | Gift | −5,792 | — | — |
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