| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 12/30/2022 | PROSPERITY BANCSHARES INC | PB | Grant | Common Stock | 1.9k | $0.00 | $0 | | 12/30/2022 |
| 12/31/2021 | PROSPERITY BANCSHARES INC | PB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 12/31/2021 |
| 12/31/2020 | PROSPERITY BANCSHARES INC | PB | Grant | Common Stock | 3.4k | $0.00 | $0 | | 12/31/2020 |
| 03/09/2020 | PROSPERITY BANCSHARES INC | PB | Purchase | Common Stock | 5k | $49.23 | $246.2k | | 03/09/2020 |
| 03/09/2020 | PROSPERITY BANCSHARES INC | PB | Purchase | Common Stock | 5k | $52.54 | $262.7k | | 03/09/2020 |
| 12/02/2019 | PROSPERITY BANCSHARES INC | PB | Purchase | Common Stock | 3k | $69.24 | $207.7k | | 12/02/2019 |
| 11/01/2019 | LegacyTexas Financial Group, Inc. | LTXB | Disposition | Common Stock-stock option | 120k | $20.85 | $2.5M | | 11/01/2019 |
| 11/01/2019 | LegacyTexas Financial Group, Inc. | LTXB | Disposition | Common Stock-stock option | 37.1k | $38.92 | $1.4M | | 11/01/2019 |
| 11/01/2019 | LegacyTexas Financial Group, Inc. | LTXB | Disposition | Common Stock | 22k | $0.00 | $0 | | 11/01/2019 |
| 11/01/2019 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock | 22k | $0.00 | $0 | | 11/01/2019 |
| 11/01/2019 | LegacyTexas Financial Group, Inc. | LTXB | Disposition | Common Stock | 5.7k | $0.00 | $0 | ESOP | 11/01/2019 |
| 11/01/2019 | LegacyTexas Financial Group, Inc. | LTXB | Disposition | Common Stock | 19.1k | $0.00 | $0 | | 11/01/2019 |
| 11/01/2019 | LegacyTexas Financial Group, Inc. | LTXB | Disposition | Common Stock | 179.9k | $0.00 | $0 | | 11/01/2019 |
| 11/01/2019 | PROSPERITY BANCSHARES INC | PB | Grant | Common Stock | 3k | $0.00 | $0 | Through LegacyTexas ESOP | 11/01/2019 |
| 11/01/2019 | PROSPERITY BANCSHARES INC | PB | Grant | Common Stock | 20k | $0.00 | $0 | | 11/01/2019 |
| 11/01/2019 | PROSPERITY BANCSHARES INC | PB | Grant | Common Stock | 137.2k | $0.00 | $0 | | 11/01/2019 |
| 03/25/2019 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock | 20.3k | $0.00 | $0 | | 03/25/2019 |
| 02/25/2019 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock | 9.2k | $0.00 | $0 | | 02/25/2019 |
| 03/01/2018 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock | 8.6k | $0.00 | $0 | | 03/01/2018 |
| 03/29/2017 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock- stock option | 37.1k | $38.92 | $1.4M | | 03/29/2017 |
| 03/29/2017 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock | 4.1k | $0.00 | $0 | | 03/29/2017 |
| 11/15/2016 | LegacyTexas Financial Group, Inc. | LTXB | Sale | Common Stock | 6k | $38.77 | $232.6k | | 11/15/2016 |
| 07/25/2016 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock | 13.6k | $0.00 | $0 | | 07/25/2016 |
| 01/29/2016 | LegacyTexas Financial Group, Inc. | LTXB | Purchase | Common Stock | 2.5k | $19.01 | $47.5k | | 01/29/2016 |
| 01/29/2016 | LegacyTexas Financial Group, Inc. | LTXB | Purchase | Common Stock | 1.2k | $19.56 | $23.7k | | 01/29/2016 |
| 01/30/2015 | LegacyTexas Financial Group, Inc. | LTXB | Purchase | common stock | 7.5k | $20.02 | $150.2k | | 01/30/2015 |
| 01/23/2014 | LegacyTexas Financial Group, Inc. | LTXB | Disposition | Common Stock | 27.5k | $27.45 | $754.8k | | 01/23/2014 |
| 04/29/2013 | LegacyTexas Financial Group, Inc. | LTXB | Purchase | Common Stock | 2k | $18.03 | $36.1k | | 04/29/2013 |
| 02/28/2013 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock | 80k | $0.00 | $0 | | 02/28/2013 |
| 02/28/2013 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock | 120k | $20.85 | $2.5M | | 02/28/2013 |
| 02/12/2013 | LegacyTexas Financial Group, Inc. | LTXB | Purchase | Common Stock | 1.5k | $20.00 | $30k | | 02/12/2013 |
| 08/20/2012 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock | 23k | $0.00 | $0 | | 08/20/2012 |
| 05/23/2012 | LegacyTexas Financial Group, Inc. | LTXB | Grant | Common Stock | 39k | $0.00 | $0 | | 05/23/2012 |
| 04/02/2012 | LegacyTexas Financial Group, Inc. | LTXB | Other (acquisition) | Common Stock | 19.9k | $15.62 | $311k | | 04/02/2012 |