Sec Form 4 Filing - McPhaill Kevin J @ SIERRA BANCORP - 2018-08-29

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person McPhaill Kevin J 2. Issuer Name and Ticker or Trading Symbol SIERRA BANCORP [ BSRR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President/CEO (Last) (First) (Middle) 86 N. MAIN STREET 3. Date of Earliest Transaction (MM/DD/YY) 08/29/2018 (Street) PORTERVILLE, CA93257 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 08/29/2018 M 2,230 A $ 8.8 12,230 D Common Stock 08/29/2018 M 2,000 A $ 19.19 14,230 D Common Stock 08/29/2018 M 4,000 A $ 10.73 18,230 D Common Stock 08/29/2018 S 4,801 D $ 29.3723 13,429 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Options $ 8.8 08/29/2018 M 2,230 11/19/2009( 1 ) 11/19/2019 Common Stock 2,230 $ 0 0 D Stock Options $ 19.19 08/29/2018 M 2,000 11/20/2009( 2 ) 11/20/2018 Common Stock 2,000 $ 0 0 D Stock Options $ 10.73 08/29/2018 M 4,000 11/18/2011( 3 )( 4 ) 11/18/2020 Common Stock 4,000 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other McPhaill Kevin J 86 N. MAIN STREET PORTERVILLE, CA93257 President/CEO Signatures /s/ Kevin J. McPhaill 08/31/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents date on which first installment of the reported option becomes exercisable. This option will become cumulatively exercisable in installments of 20% per year commencing one year from the date of grant and ending five years before the expiration of the option. ( 2 )Represents date on which first installment of the reported option becomes exercisable. All options reported become cumulatively exercisable in installments of 20% per year commencing one year from the date of grant and ending five years before the expiration of the option. ( 3 )Options vesting at rate of 20% per year for 5 years. This option was not filed at the time of the grant. ( 4 )This option vests at a rate of 20% per year commencing on 11/18/2011 and will be fully vested on 11/18/2015. The form 4 filing concerning this option was inadvertently missed at the time of the grant.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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