Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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 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) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) PRESIDENT & CEO (Last) (First) (Middle) 504 REDWOOD BLVD., SUITE 100 3. Date of Earliest Transaction (Month/Day/Year) 04/01/2024 (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 124,173.3268 D Common Stock 14,786.186 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)

$22.94

04/01/2024

H(1)

1,300

04/01/2019(2)

04/01/2024

Common Stock

1,300

$ 0

0

D

Stock Options (Right to Buy)

$25.38

03/02/2025

H(3)

2,980

03/02/2018(4)

03/02/2025

Common Stock

2,980

$ 0

0

D

Stock Options (Right to Buy)

$24.83

03/01/2026

H(5)

5,380

03/01/2019(4)

03/01/2026

Common Stock

5,380

$ 0

0

D

Stock Options (Right to Buy)

$34.8

(4)

03/01/2027

Common Stock

3,720

3,720

D

Stock Options (Right to Buy)

$33.58

(6)

03/01/2028

Common Stock

2,000

2,000

D

Stock Options (Right to Buy)

$33.58

(4)

03/01/2028

Common Stock

4,140

4,140

D

Stock Options (Right to Buy)

$44.45

(4)

03/01/2029

Common Stock

3,600

3,600

D

Stock Options (Right to Buy)

$40.1

(4)

03/02/2030

Common Stock

2,670

2,670

D

Stock Options (Right to Buy)

$38.25

(4)

03/01/2031

Common Stock

2,099

2,099

D

Stock Options (Right to Buy)

$38.11

10/29/2021

10/29/2031

Common Stock

3,616

3,616

D

Stock Options (Right to Buy)

$34.03

(4)

03/01/2032

Common Stock

4,629

4,629

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Myers Timothy D 504 REDWOOD BLVD., SUITE 100 NOVATO, CA 94947	X		PRESIDENT & CEO

Signatures

/s/ Krissy Meyer, Attorney-in-Fact		05/06/2026
**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)	The stock option was granted on April 1, 2014 and vested in equal annual installments over five years, becoming fully exercisable on April 1, 2019. The option expired unexercised on April 1, 2024. This Form 4 is being filed late due to an administrative oversight.
(2)	Exercisable 20% per year beginning on first anniversary date of grant.
(3)	The stock option was granted on March 2, 2015 and vested in equal annual installments over three years, becoming fully exercisable on March 2, 2018. The option expired unexercised on March 2, 2025. This Form 4 is being filed late due to an administrative oversight.
(4)	Exercisable 33% per year beginning on first anniversary date of grant.
(5)	The stock option was granted on March 1, 2016 and vested in equal annual installments over three years, becoming fully exercisable on March 1, 2019. The option expired unexercised on March 1, 2026. This Form 4 is being filed late due to an administrative oversight.
(6)	Exercisable 33% per year beginning on first anniversary date of grant.

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