SCHEDULE 13G/A

California BanCorp

Common Stock, no par value per share · CUSIP: 84252A106

Event date: 2025-09-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Fourthstone LLC

  Shares: 1,301,394.00 · Class: 4.00%

• Fourthstone Master Opportunity Fund Ltd

  Shares: 1,001,446.00 · Class: 3.08%

• Fourthstone GP LLC

  Shares: 299,948.00 · Class: 0.92%

• Fourthstone QP Opportunity Fund LP

  Shares: 266,437.00 · Class: 0.82%

• Fourthstone Small-Cap Financials Fund LP

  Shares: 33,511.00 · Class: 0.10%

• L. Phillip Stone, IV

  Shares: 1,301,394.00 · Class: 4.00%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.