<div id="readability-page-1"><div>McPhaill Kevin J Chief Executive Officer of Sierra Bancorp [BSRR] filed a Form 4 on November 19, 2025 with the Securities and Exchange Commission disclosing the following changes in ownership:<div><table><tbody><tr><th>Date</th><th>Transaction</th><th>Shares</th><th>Price</th><th>Value</th></tr><tr><td>11/16/25-11/18/25</td><td>Surrender(1)</td><td>5,808</td><td>$28.74</td><td>$166,937</td></tr><tr><td>11/18/25</td><td>Exercise</td><td>7,270</td><td>$0.00</td><td>N/A</td></tr></tbody></table></div>Ending Holdings: 78,185 - Direct<ul><li>(1)</li><li>Surrender of shares back to company to pay option exercise cost and/or resulting tax liability.</li></ul>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data. </div></div>

BSRR

CEO Kevin J. McPhaill of Sierra Bancorp acquired 7,270 shares, as disclosed in a Form 4 filed with the SEC. The transaction involved surrendering 5,808 shares to cover option exercise costs and tax liabilities, resulting in direct holdings of 78,185 shares. This insider trading activity was reported on November 19, 2025.

CEO McPhaill Acquires 7,270 Of Sierra Bancorp [BSRR]