0001130144 2026-07-23 2026-07-23 0001130144 false 8-K 2026-07-23 2026-07-23 SIERRA BANCORP CA 000-33063 33-0937517 86 North Main Street Porterville CA 93257 559 782-4900 false false false false Common Stock, no par value BSRR NASDAQ false