| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 05/10/2023 | CULLEN/FROST BANKERS, INC. | CFR | Purchase | Common Stock, $0.01 par value | 5k | $95.75 | $478.8k | | 05/10/2023 |
| 03/13/2023 | CULLEN/FROST BANKERS, INC. | CFR | Purchase | Common Stock, $0.01 par value | 5k | $108.09 | $540.4k | Through Limited Partnership | 03/13/2023 |
| 05/02/2022 | CULLEN/FROST BANKERS, INC. | CFR | Purchase | Common Stock, $0.01 par value | 5k | $131.55 | $657.8k | Through Trust | 05/02/2022 |
| 04/27/2022 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Deferred Stock Units | 598 | $0.00 | $0 | | 04/27/2022 |
| 04/28/2021 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Deferred Stock Units | 594 | $0.00 | $0 | | 04/28/2021 |
| 02/03/2021 | CULLEN/FROST BANKERS, INC. | CFR | Purchase | Common Stock, $0.01 par value | 3.5k | $92.71 | $324.5k | Through limited partnership | 02/03/2021 |
| 04/29/2020 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Deferred Stock Units | 948 | $0.00 | $0 | | 04/29/2020 |
| 03/04/2020 | CULLEN/FROST BANKERS, INC. | CFR | Purchase | Common Stock, $0.01 par value | 3k | $78.59 | $235.8k | Through trust | 03/04/2020 |
| 02/27/2020 | CULLEN/FROST BANKERS, INC. | CFR | Purchase | Common Stock, $0.01 par value | 4k | $83.90 | $335.6k | Through trust | 02/27/2020 |
| 02/06/2020 | CULLEN/FROST BANKERS, INC. | CFR | Purchase | Common Stock, $0.01 par value | 5k | $94.70 | $473.5k | Through trust | 08/05/2019 |
| 08/05/2019 | CULLEN/FROST BANKERS, INC. | CFR | Purchase | Common Stock, $0.01 par value | 4.5k | $85.47 | $384.6k | Through limited partnership | 08/05/2019 |
| 04/24/2019 | CULLEN/FROST BANKERS, INC. | CFR | Grant | Deferred Stock Units | 584 | $0.00 | $0 | | 04/24/2019 |