Ownership Submission
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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Myers Timothy D
   2. Issuer Name and Ticker or Trading Symbol
Bank of Marin Bancorp [BMRC] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President
(Last)
(First)
(Middle)
504 REDWOOD BOULEVARD, STE 100		 3. Date of Earliest Transaction (Month/Day/Year)
04/03/2018
(Street)

NOVATO, CA 94947		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 04/03/2018   D   294 D $ 0 6,973 D  
Common Stock 04/03/2018   F   89 D $ 69.5 6,884 D  
Common Stock 04/03/2018   F   35 D $ 68.35 6,849 D  
Common Stock               4,402.1377 I By ESOP

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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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)		 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 (Right to buy) $ 22.25               (1) 04/01/2019 Common Stock 140   140 D  
Stock Options (Right to buy) $ 33.1               (1) 04/01/2020 Common Stock 120   120 D  
Stock Options (Right to buy) $ 38               (1) 04/01/2021 Common Stock 275   275 D  
Stock Options (Right to buy) $ 38.18               (1) 04/02/2022 Common Stock 500   500 D  
Stock Options (Right to buy) $ 39.35               (1) 04/01/2023 Common Stock 300   300 D  
Stock Options (Right to Buy) $ 45.88               (1) 04/01/2024 Common Stock 650   650 D  
Stock Options (Right to buy) $ 50.75               (1) 03/02/2025 Common Stock 1,490   1,490 D  
Stock Options (Right to buy) $ 49.65               (2) 03/01/2026 Common Stock 2,690   2,690 D  
Stock Options (Right to buy) $ 69.6               (2) 03/01/2027 Common Stock 1,860   1,860 D  
Stock Options (Right to buy) $ 67.15               (2) 03/01/2028 Common Stock 2,070   2,070 D  
Stock Options (Right to buy) $ 67.15               (3) 03/01/2028 Common Stock 1,000   1,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Myers Timothy D
504 REDWOOD BOULEVARD, STE 100
NOVATO, CA 94947		       Executive Vice President  

Signatures

 Nancy R. Boatright, Attorney-in-Fact   04/05/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Exercisable 20% per year beginning on first anniversary date of grant
(2) Exercisable 33% per year beginning on first anniversary date of grant
(3) Exercisable 33% immediately, then 33% per year on first anniversary date of grant.

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