| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/07/2023 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 355 | $127.72 | $45.3k | | 03/07/2023 |
| 03/07/2023 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Common Stock, $0.01 par value | 1.5k | $0.00 | $0 | | 03/07/2023 |
| 03/08/2022 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Common Stock, $0.01 par value | 1.1k | $0.00 | $0 | | 03/08/2022 |
| 03/08/2022 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 271 | $133.54 | $36.2k | | 03/08/2022 |
| 10/26/2021 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 2.3k | $0.00 | $0 | | 10/26/2021 |
| 10/24/2021 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 251 | $131.31 | $33k | | 10/24/2021 |
| 10/24/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Restricted Stock Units | 1k | $0.00 | $0 | | 10/24/2021 |
| 05/06/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 2k | $65.11 | $130.2k | | 05/06/2021 |
| 05/06/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 1000 | $78.92 | $78.9k | | 05/06/2021 |
| 05/06/2021 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 3k | $122.80 | $368.4k | | 05/06/2021 |
| 03/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Common Stock, $0.01 par value | 1.6k | $0.00 | $0 | | 03/05/2021 |
| 03/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 387 | $110.76 | $42.9k | | 03/05/2021 |
| 10/27/2020 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 2.1k | $0.00 | $0 | | 10/27/2020 |
| 10/25/2020 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 199 | $72.14 | $14.4k | | 10/25/2020 |
| 10/25/2020 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Restricted Stock Units | 820 | $0.00 | $0 | | 10/25/2020 |
| 03/04/2020 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 285 | $79.24 | $22.6k | | 03/04/2020 |
| 03/04/2020 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Common Stock, $0.01 par value | 1.2k | $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 |
| 10/23/2018 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.1k | $0.00 | $0 | | 10/23/2018 |
| 05/21/2018 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 1000 | $65.11 | $65.1k | | 05/21/2018 |
| 05/21/2018 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 3k | $78.92 | $236.8k | | 05/21/2018 |
| 05/21/2018 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 482 | $71.39 | $34.4k | | 05/21/2018 |
| 05/21/2018 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 4.5k | $120.56 | $540.3k | | 05/21/2018 |
| 10/24/2017 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1k | $0.00 | $0 | | 10/24/2017 |