| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/07/2023 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Common Stock, $0.01 par value | 1.6k | $0.00 | $0 | | 03/07/2023 |
| 03/07/2023 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 387 | $127.72 | $49.4k | | 03/07/2023 |
| 03/08/2022 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 366 | $133.54 | $48.9k | | 03/08/2022 |
| 03/08/2022 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Common Stock, $0.01 par value | 1.5k | $0.00 | $0 | | 03/08/2022 |
| 11/02/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 10.5k | $65.11 | $686.3k | | 11/02/2021 |
| 11/02/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 5k | $78.92 | $394.6k | | 11/02/2021 |
| 11/02/2021 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 1.8k | $137.23 | $247k | | 11/02/2021 |
| 11/02/2021 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 13.7k | $136.25 | $1.9M | | 11/02/2021 |
| 10/26/2021 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.5k | $0.00 | $0 | | 10/26/2021 |
| 10/24/2021 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 338 | $131.31 | $44.4k | | 10/24/2021 |
| 10/24/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Restricted Stock Units | 1.4k | $0.00 | $0 | | 10/24/2021 |
| 03/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Common Stock, $0.01 par value | 2.2k | $0.00 | $0 | | 03/05/2021 |
| 03/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 527 | $110.76 | $58.4k | | 03/05/2021 |
| 02/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 7.1k | $96.53 | $683.4k | | 02/05/2021 |
| 02/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 4k | $54.56 | $218.2k | | 02/05/2021 |
| 02/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 3.1k | $71.39 | $219.9k | | 02/05/2021 |
| 10/27/2020 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 2.3k | $0.00 | $0 | | 10/27/2020 |
| 10/25/2020 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Restricted Stock Units | 1.6k | $0.00 | $0 | | 10/25/2020 |
| 10/25/2020 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 399 | $72.14 | $28.8k | | 10/25/2020 |
| 03/04/2020 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock $0.01 par value | 570 | $79.24 | $45.2k | | 03/04/2020 |
| 03/04/2020 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Common Stock, $0.01 par value | 2.3k | $0.00 | $0 | | 03/04/2020 |
| 10/29/2019 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.6k | $0.00 | $0 | | 10/29/2019 |
| 10/27/2019 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 516 | $92.84 | $47.9k | | 10/27/2019 |
| 10/23/2018 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.5k | $0.00 | $0 | | 10/23/2018 |
| 01/29/2018 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 3k | $48.00 | $144k | | 01/29/2018 |
| 01/29/2018 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 1.5k | $52.46 | $78.7k | | 01/29/2018 |
| 01/29/2018 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 4.5k | $106.58 | $479.6k | | 01/29/2018 |
| 10/24/2017 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.4k | $0.00 | $0 | | 10/24/2017 |