X0306 4 2021-08-20 0001130144 SIERRA BANCORP BSRR 0001657177 Johnson Jennifer Ann 86 NORTH MAIN STREET PORTERVILLE CA 93257 1 EVP/Chief Admin. Officer Common Stock 2021-08-20 4 F 0 2204 24.12 D 20018 D Withholding of shares of common stock to satisfy tax withholding obligations in connection with the vesting of previously awarded shares of restricted stock. /s/ Jennifer Ann Johnson 2021-08-23