| 2016-11-21 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 72,246 0.1155% | $83.11 | $6M | +11.46% | |
| 2016-11-17 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 184,000 0.2939% | $82.77 | $15.23M | +11.71% | |
| 2016-11-16 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 190,000 0.3049% | $83.01 | $15.77M | +11.79% | |
| 2016-11-15 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 85,000 0.1327% | $82.11 | $6.98M | +9.83% | |
| 2016-11-14 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 229,000 0.3655% | $83.39 | $19.1M | +10.53% | |
| 2016-11-10 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 94,000 0.1476% | $81.23 | $7.64M | +11.54% | |
| 2016-11-09 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 80,000 0.1264% | $78.09 | $6.25M | +16.71% | |
| 2016-11-08 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 39,600 0.0637% | $75.57 | $2.99M | +22.86% | |
| 2016-11-07 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 39,400 0.0629% | $76.11 | $3M | +20.98% | |
| 2016-11-04 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 52,400 0.0846% | $74.74 | $3.92M | +24.45% | |
| 2016-11-03 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 19,600 0.0317% | $74.59 | $1.46M | +24.8% | |
| 2016-11-01 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 18,600 0.03% | $75.78 | $1.41M | +22.43% | |
| 2016-10-31 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 120,000 0.1929% | $76.19 | $9.14M | +21.17% | |
| 2016-10-28 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 100,000 0.1597% | $75.73 | $7.57M | +20.92% | |
| 2016-10-27 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 50,000 0.0798% | $75.68 | $3.78M | +20.89% | |
| 2016-09-06 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 400 0.0007% | $73.74 | $29,496 | +24.64% | |
| 2016-09-02 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 20,000 0.0318% | $73.14 | $1.46M | +21.5% | |
| 2016-09-01 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 200 0.0003% | $73.35 | $14,670 | +23.45% | |
| 2016-08-31 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 3,800 0.0061% | $73.13 | $277,894 | +22.64% | |
| 2016-08-30 | Sale | Cullen/Frost Bankers, Inc. CFR | director | 13,200 0.0211% | $72.70 | $959,640 | +22.82% |