• Sierra Bancorp director Vonn R. Christenson exercised stock options on May 18, 2026 for 1,053 shares at $28.21.
• The shares were sold the same day in the market for $38.01, leaving Christenson with 189 shares directly owned.
• The filing also reported 286 shares held indirectly through a spouse.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Sierra Bancorp published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001130144-26-000052), on May 20, 2026, and is solely responsible for the information contained therein.