| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Dowdell Robert J. | Executive Vice President | 4295 SAN FELIPE, HOUSTON | /s/ Robert J. Dowdell | 02 Jan 2026 | 0001738205 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PB | Common Stock | Award | $39,462 | +571 | +1.8% | $69.11 | 31,543 | 31 Dec 2025 | Direct | |
| holding | PB | Common Stock | 10,169 | 31 Dec 2025 | Through 401(k) plan | F1 |
| Id | Content |
|---|---|
| F1 | Includes 895 shares acquired through the Prosperity Bancshares, Inc. 401(k) plan since the last filing by the reporting person. |