X0508 4 2023-11-16 0001130144 SIERRA BANCORP BSRR 0001994768 Coen Natalia M 86 NORTH MAIN STREET PORTERVILLE CA 93257 1 EVP/CRO 0 Common Stock 2023-11-16 4 A 0 21203 0 A 21203 D The reporting person acquired the shares as an award of restricted stock pursuant to a grant under the Issuer's 2023 Equity Incentive Plan. Such shares vest in five (5) equal annual installments on the anniversary date of the grant, subject to forfeiture upon the occurrence of certain events specified in the agreement underlying such grant. No consideration was paid by the reporting person for the award of restricted stock. /s/ Natalia M. Coen 2023-11-19