| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/13/2023 | CULLEN/FROST BANKERS, INC. | CFR | Purchase | Common Stock, $0.01 par value | 1.5k | $107.30 | $161k | | 03/13/2023 |
| 03/07/2023 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Common Stock, $0.01 par value | 1.3k | $0.00 | $0 | | 03/07/2023 |
| 03/07/2023 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 323 | $127.72 | $41.3k | | 03/07/2023 |
| 02/01/2023 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 150 | $129.23 | $19.4k | | 02/01/2023 |
| 02/01/2023 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Restricted Stock Units | 508 | $0.00 | $0 | | 02/01/2023 |
| 11/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 2.5k | $65.11 | $162.8k | | 11/05/2021 |
| 11/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 5k | $78.92 | $394.6k | | 11/05/2021 |
| 11/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 7.5k | $134.37 | $1M | | 11/05/2021 |
| 10/26/2021 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.6k | $0.00 | $0 | | 10/26/2021 |
| 10/24/2021 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 172 | $131.31 | $22.6k | | 10/24/2021 |
| 10/24/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Restricted Stock Units | 708 | $0.00 | $0 | | 10/24/2021 |
| 02/24/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 3.8k | $71.39 | $274.9k | | 02/24/2021 |
| 02/24/2021 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 3.8k | $108.46 | $417.6k | | 02/24/2021 |
| 10/27/2020 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.9k | $0.00 | $0 | | 10/27/2020 |
| 10/25/2020 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Restricted Stock Units | 860 | $0.00 | $0 | | 10/25/2020 |
| 10/25/2020 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 209 | $72.14 | $15.1k | | 10/25/2020 |
| 10/29/2019 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.3k | $0.00 | $0 | | 10/29/2019 |
| 02/14/2019 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 1.2k | $50.64 | $63.3k | | 02/14/2019 |
| 02/14/2019 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 3.8k | $100.62 | $377.3k | | 02/14/2019 |
| 02/14/2019 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 2.5k | $52.46 | $131.2k | | 02/14/2019 |