| 2023-03-13 | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 9,500 0.0153% | $106.59 | $1.01M | +0.42% | ||
| 2021-11-02 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 77,575 0.1222% | $136.66 | $10.6M | -0.54% | |
| 2021-02-17 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 18,580 0.0295% | $102.46 | $1.9M | +18.22% | |
| 2020-05-27 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 23,160 0.0355% | $75.69 | $1.75M | +10.09% | |
| 2019-04-30 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 28,420 0.0454% | $101.91 | $2.9M | -8.17% | |
| 2017-11-29 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 28,834 0.0454% | $100.51 | $2.9M | +7.43% | |
| 2017-01-26 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 40,000 0.0476% | $71.20 | $2.85M | +0.32% | |
| 2016-07-28 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 27,000 0.0396% | $63.65 | $1.72M | +28.88% | |
| 2014-06-02 | Sale | Cullen/Frost Bankers, Inc. CFR | Group EVP / CFO | 27,000 0.0364% | $62.84 | $1.7M | +0.12% | |
| 2012-08-15 | Sale | Cullen/Frost Bankers, Inc. CFR | Group EVP / CFO | 3,932 0.0064% | $56.17 | $220,860 | +9.47% | |
| 2012-05-01 | Sale | Cullen/Frost Bankers, Inc. CFR | Group EVP / CFO | 4,938 0.0081% | $59.14 | $292,033 | -1.94% | |
| 2010-01-29 | Sale | Cullen/Frost Bankers, Inc. CFR | Group EVP / CFO | 17,748 0.0297% | $51.52 | $914,389 | +7.79% | |
| 2009-04-24 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 8,435 0.014% | $46.00 | $388,019 | +7.96% | |
| 2008-07-28 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 6,200 0.007% | $33.30 | $206,460 | -0.65% | |
| 2007-05-02 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 20,000 0.0336% | $51.68 | $1.03M | +2.02% | |
| 2007-05-01 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 24,500 0.0409% | $51.20 | $1.25M | +2.31% | |
| 2007-04-30 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 35,500 0.0602% | $51.72 | $1.84M | +2.96% | |
| 2006-02-21 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 470 0.0009% | $54.91 | $25,808 | +3.91% | |
| 2006-02-17 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 13,500 0.0248% | $54.81 | $739,922 | +3.53% | |
| 2006-02-16 | Sale | Cullen/Frost Bankers, Inc. CFR | Chairman and CEO | 21,500 0.0241% | $33.31 | $716,165 | +3.92% |