| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/15/2023 | CULLEN/FROST BANKERS, INC. | CFR | Purchase | Common Stock, $0.01 par value | 700 | $108.28 | $75.8k | | 03/15/2023 |
| 03/07/2023 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 368 | $127.72 | $47k | | 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 | 1.4k | $0.00 | $0 | | 03/08/2022 |
| 03/08/2022 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 347 | $133.54 | $46.3k | | 03/08/2022 |
| 11/03/2021 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 7.1k | $139.09 | $984.8k | | 11/03/2021 |
| 11/03/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 4k | $54.56 | $218.2k | | 11/03/2021 |
| 11/03/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 3.1k | $71.39 | $219.9k | | 11/03/2021 |
| 11/02/2021 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 0.501 | $129.24 | $64.7 | Bu Spouse | 10/29/2021 |
| 10/29/2021 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 7.8k | $129.24 | $1M | By Spouse | 10/29/2021 |
| 10/26/2021 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.3k | $0.00 | $0 | | 10/26/2021 |
| 10/24/2021 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Restricted Stock Units | 1.3k | $0.00 | $0 | | 10/24/2021 |
| 10/24/2021 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 307 | $131.31 | $40.3k | | 10/24/2021 |
| 03/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Common Stock, $0.01 par value | 2k | $0.00 | $0 | | 03/05/2021 |
| 03/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 502 | $110.76 | $55.6k | | 03/05/2021 |
| 03/05/2021 | CULLEN/FROST BANKERS, INC. | CFR | Acquisition (by will) | Common Stock, $0.01 par value | 360 | $0.00 | $0 | | 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 | 399 | $72.14 | $28.8k | | 10/25/2020 |
| 10/25/2020 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Restricted Stock Units | 1.6k | $0.00 | $0 | | 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 | 1.5k | $0.00 | $0 | | 10/29/2019 |
| 10/27/2019 | CULLEN/FROST BANKERS, INC. | CFR | Payment of Exercise | Common Stock, $0.01 par value | 374 | $92.84 | $34.7k | | 10/27/2019 |
| 10/23/2018 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.4k | $0.00 | $0 | | 10/23/2018 |
| 12/13/2017 | CULLEN/FROST BANKERS, INC. | CFR | Sale | Common Stock, $0.01 par value | 7k | $94.99 | $664.9k | | 12/13/2017 |
| 12/13/2017 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 2.5k | $52.44 | $131.1k | | 12/13/2017 |
| 12/13/2017 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 1.5k | $50.64 | $76k | | 12/13/2017 |
| 12/13/2017 | CULLEN/FROST BANKERS, INC. | CFR | Exercise | Employee Stock Option (right to buy) | 3k | $52.46 | $157.4k | | 12/13/2017 |
| 10/24/2017 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Restricted Stock Units | 1.3k | $0.00 | $0 | | 10/24/2017 |