FIVE STAR BANCORP current report, 14 September 2026

Business Context and Reporting Period

This Form 8-K Current Report was filed by FIVE STAR BANCORP on September 14, 2026. The registrant is incorporated in California and its common stock trades on The Nasdaq Stock Market LLC under the symbol FSBC. The company is classified as an emerging growth company.

Key Financial Metrics

The filing text does not provide a clear value for revenue, profit, cash flow, margins, debt, or liquidity. This report focuses exclusively on corporate governance and personnel changes rather than financial performance data.

Material Changes

Effective September 14, 2026, the Company executed the following executive leadership changes:

  • Lydia Ramirez was appointed to the newly established position of Executive Vice President and Chief External Affairs Officer. She previously served as Executive Vice President and Chief Operating Officer.
  • Heather Luck, Executive Vice President and Chief Financial Officer, was designated to assume oversight of the Company's Operations function in addition to her existing responsibilities.

Guidance, Outlook, and Risks

The filing contains no financial guidance, outlook, or discussion of risks and contingencies. The report notes that there are no arrangements or understandings between Ms. Luck and any other person regarding her new oversight role, and no changes have been made to her compensation as of the filing date. The press release regarding these appointments is furnished as Exhibit 99.1 but is not deemed "filed" for purposes of Section 18 of the Exchange Act.

Investor Verification Checklist

  • Verify the specific responsibilities and reporting lines for the new Chief External Affairs Officer role.
  • Confirm the operational impact of the Chief Financial Officer assuming oversight of the Operations function.
  • Review the Company's Proxy Statement for the 2026 Annual Meeting (filed March 30, 2026) for detailed background on Heather Luck.
  • Check for any subsequent filings regarding compensation adjustments for the affected executives.