SEC Filing Form 4: Insider Transaction Report

Michelle Wirfel, EVP, Chief Operating Officer of California BanCorp, reported a disposition of 154 shares of common stock on April 12, 2026. The transaction, code "F", involved a disposal ("D") with a price of $18.38 per share. Following this transaction, Wirfel owns 87,997.93 shares. The shares were disposed of to satisfy tax liabilities arising from the vesting of a previously granted award, as indicated by footnote F1.