| 2023-05-19 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 6,617 0.0104% | $101.09 | $668,932 | +5.19% | |
| 2022-08-04 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 11,483 0.0179% | $127.86 | $1.47M | +3.28% | |
| 2022-02-04 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 6,601 0.0101% | $139.33 | $919,717 | -2.53% | |
| 2021-02-02 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 24,500 0.0292% | $70.61 | $1.73M | +26.01% | |
| 2020-02-11 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 18,720 0.0234% | $73.00 | $1.37M | -20.82% | |
| 2019-07-29 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 18,720 0.0231% | $72.45 | $1.36M | -8.99% | |
| 2018-01-30 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 26,000 0.0304% | $79.43 | $2.07M | +1.65% | |
| 2017-02-17 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 26,000 0.0307% | $70.89 | $1.84M | +1.59% | |
| 2016-08-01 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 21,000 0.0318% | $62.80 | $1.32M | +34.81% | |
| 2015-05-06 | Sale | Cullen/Frost Bankers, Inc. CFR | President, Frost Bank | 21,000 0.0278% | $61.91 | $1.3M | -12.33% | |
| 2010-02-19 | Sale | Cullen/Frost Bankers, Inc. CFR | Pres., The Frost National Bank | 14,200 0.0237% | $53.43 | $758,700 | +4.04% | |
| 2009-07-31 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 11,317 0.019% | $48.10 | $544,334 | +9.59% | |
| 2009-07-30 | Sale | Cullen/Frost Bankers, Inc. CFR | Pres., The Frost National Bank | 68,683 0.1158% | $47.47 | $3.26M | +11.27% | |
| 2009-04-23 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 6,865 0.0113% | $44.46 | $305,219 | +10.79% | |
| 2008-02-08 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 18,166 0.0312% | $54.16 | $983,952 | -0.2% | |
| 2007-02-16 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 50,000 0.0835% | $54.98 | $2.75M | -3.94% | |
| 2005-05-02 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 39,000 0.074% | $43.92 | $1.71M | +18.96% | |
| 2004-02-20 | Sale | Cullen/Frost Bankers, Inc. CFR | President of Frost Bank | 26,000 0.011% | $9.07 | $235,820 | +9.17% |