Did the BMRC insider report any share purchases or sales in this update?

No share purchases or sales are listed; the report only updates David Bonaccorso’s holdings. It shows his total direct and ESOP-based indirect common stock positions, with no buy or sell transactions recorded in the summarized transaction data.

Bank of Marin Bancorp (BMRC) CFO details updated stock and ESOP stake

Q: How many BMRC shares does the CFO hold directly versus indirectly?

The CFO holds 17,764 Bank of Marin Bancorp (BMRC) common shares directly and 1,622.41 shares indirectly through an ESOP. The indirect balance comes from ESOP allocations and dividend reinvestment credited to his account across multiple years.

Q: What period do the ESOP allocations and dividend reinvestments for BMRC cover?

The ESOP balance for BMRC represents 2024 and 2025 ESOP allocations posted to David Bonaccorso’s account, plus additional ESOP shares from dividend reinvestment in 2025 and 2026 , as described in the explanatory footnote to the holdings.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Bank of Marin Bancorp executive David Bonaccorso, EVP and Chief Financial Officer, reported updated common stock holdings. He now holds 17,764 shares directly and 1,622.41 shares indirectly through an ESOP. The ESOP balance reflects 2024 and 2025 allocations and dividend reinvestment in 2025 and 2026. The report shows updated holdings only, with no share purchases or sales listed.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Bonaccorso David

Role EVP, Chief Financial Officer

Type	Security	Shares	Price	Value
holding	Common Stock ^F1	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,622.41 shares (Indirect, ESOP); Common Stock — 17,764 shares (Direct)

Footnotes (1)

F1. Represents 2024 and 2025 ESOP allocations posted to reporting owner's account on December 31, 2024 and December 31, 2025 and additional ESOP shares resulting from dividend reinvestment in 2025 and 2026.

Key Figures

Direct common shares held: 17764.0000 shares Indirect ESOP shares held: 1622.4100 shares Reported holding entries: 2 entries

3 metrics

Direct common shares held 17764.0000 shares Total direct common stock ownership following the reported holdings update

Indirect ESOP shares held 1622.4100 shares Common shares held indirectly through ESOP after allocations and dividend reinvestment

Reported holding entries 2 entries Two common stock holding lines, one direct and one ESOP-based indirect

Key Terms

ESOP, dividend reinvestment, ESOP allocations

3 terms

ESOP financial

"Represents 2024 and 2025 ESOP allocations posted to reporting owner's account"

An Employee Stock Ownership Plan (ESOP) is a program that gives employees ownership shares in their company, often as part of their benefits package. It acts like a company-sponsored savings plan, allowing workers to have a stake in the company's success, which can boost motivation and loyalty. For investors, ESOPs can influence company decisions and stock value, making them an important aspect of corporate ownership and governance.

dividend reinvestment financial

"and additional ESOP shares resulting from dividend reinvestment in 2025 and 2026"

Dividend reinvestment is when the money earned from a company's profit sharing, called dividends, is automatically used to buy more shares of that company instead of being received as cash. This process helps investors grow their holdings over time without extra effort, much like using earned interest to buy more of a savings account. It encourages long-term investment growth by continuously increasing the amount of shares owned.

ESOP allocations financial

"Represents 2024 and 2025 ESOP allocations posted to reporting owner's account"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/28/2026 - 01:58 PM Accepted by SEC EDGAR 07/28/2026 - 01:58 PM

FAQ

What stock holdings did BMRC executive David Bonaccorso report?

David Bonaccorso, EVP and CFO of Bank of Marin Bancorp, reported direct ownership of 17,764 common shares and indirect ownership of 1,622.41 shares through an ESOP, credited to his account from allocations and dividend reinvestment over 2024–2026.

How many BMRC shares does the CFO hold directly versus indirectly?

The CFO holds 17,764 Bank of Marin Bancorp (BMRC) common shares directly and 1,622.41 shares indirectly through an ESOP. The indirect balance comes from ESOP allocations and dividend reinvestment credited to his account across multiple years.

What period do the ESOP allocations and dividend reinvestments for BMRC cover?

The ESOP balance for BMRC represents 2024 and 2025 ESOP allocations posted to David Bonaccorso’s account, plus additional ESOP shares from dividend reinvestment in 2025 and 2026, as described in the explanatory footnote to the holdings.

Were the BMRC insider holdings updated under a Rule 10b5-1 trading plan?

The Rule 10b5-1 plan checkbox is not marked for this BMRC insider report. That indicates the updated holdings, including ESOP allocations and dividend reinvestment, are not identified as arising under an affirmed Rule 10b5-1 trading arrangement.

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Bonaccorso David

(Last)

(First)

(Middle)

504 REDWOOD BLVD., SUITE 100

(Street)

NOVATO

CALIFORNIA

94947

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)
	EVP, Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2024

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock								1,622.41⁽¹⁾	I	ESOP
Common Stock								17,764	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 (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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents 2024 and 2025 ESOP allocations posted to reporting owner's account on December 31, 2024 and December 31, 2025 and additional ESOP shares resulting from dividend reinvestment in 2025 and 2026.

	/s/ Krissy Meyer, Attorney-in-Fact	07/28/2026
	** Signature of Reporting Person	Date
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR