Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 Commission file number: 000-33063 SIERRA BANCORP (Exact name of registrant as specified in its charter) California 33-0937517 (State of incorporation) (I.R.S. Employer Identification No.) 86 North Main Street, Porterville, California 93257 (Address of principal executive offices) (Z ...

Table of Contents Non-accelerated Filer: ☐ Smaller Reporting Company: ☐ Emerging Growth Company: ☐ Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, no par value BSRR The NASDAQ Stock Market LLC UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2019 Commission file number: 000-33063 SIERRA BANCORP (Ex ...

Table of Contents Non-accelerated Filer: ☐ Smaller Reporting Company: ☐ Emerging Growth Company: ☐ Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, no par value BSRR The NASDAQ Stock Market LLC UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2019 Commission file number: 000-33063 SIERRA BANCORP (Exact n ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, no par value BSRR The NASDAQ Stock Market LLC FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2019 Commission file number: 000-33063 SIERRA BANCORP (Exact name of Registrant as specified in its ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission file number: 000-33063 SIERRA BANCORP (Exact name of registrant as specified in its charter) California 33-0937517 (State of incorporation) (I.R.S. Employer Identification No.) 86 North Main Street, Porterville, California 93257 (Address of principal executive offices) (Zip Code) (559) 782 ...