| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Rizzo Michael Anthony | EVP & Chief Banking Officer | C/O FIVE STAR BANCORP, 3100 ZINFANDEL DRIVE, SUITE 100, RANCHO CORDOVA | /s/ Michael A. Rizzo, by Heather C. Luck, Attorney-in-Fact | 15 Dec 2025 | 0001856568 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | FSBC | Common Stock | Sale | $23,896 | -641 | -100% | $37.28 | 0 | 12 Dec 2025 | See footnote | F1 |
| holding | FSBC | Common Stock | 33,369 | 12 Dec 2025 | By self as trustee | F2, F3 |
| Id | Content |
|---|---|
| F1 | Mr. Rizzo's child had direct ownership of 641 shares. Mr. Rizzo's child resides in Mr. Rizzo's household. |
| F2 | Includes 7,000 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan (including 5,600 shares which have vested and 1,400 which are scheduled to vest in equal installments over the remainder of a five-year period, provided Mr. Rizzo remains employed by Five Star Bancorp on the respective vesting dates), 6,000 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan (including 1,200 shares which have vested and 4,800 which are scheduled to vest in equal installments over the remainder of a five-year period, provided Mr. Rizzo remains employed by Five Star Bancorp on the respective vesting dates), and 3,629 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan which are scheduled to vest in equal installments over a five-year period beginning in 2026, provided Mr. Rizzo remains employed by Five Star Bancorp on the respective vesting dates. |
| F3 | Shares are held by The Rizzo Family Trust, dated December 4, 2019, for which Mr. Rizzo serves as trustee. |