COLOMBO RUSSELL A

PrivateCIK: 1403064

Location

NOVATO, CA

COLOMBO RUSSELL A (President and CEO) reported 1 transaction at BANK OF MARIN BANCORP

Review the transaction codes below to understand the nature of each event.

COLOMBO RUSSELL A

Filed: 7/1/2026ACC: 0001403064-26-000006

InsiderCOLOMBO RUSSELL ACIK 1403064

→

IssuerBANK OF MARIN BANCORPCIK 1403475

DirectorOfficer· President and CEO

Since Dec 2017

+849.00

Net shares

Net buyer

$24.6K

Total acquired

0

Open market trades

0B · 0S

1

Total transactions

849.00 acquired

Non-Derivative Transactions1

Common Stock

Indirect

J · J

Shares

+849.00

Price / share

$28.94

Trade value

$24.57K

% of position

1.9%

7/1/2026

43.56K→44.41K

Total

Net shares

+849.00

Net value

$24.57K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	7/1/2026	J · J	+849.00	$28.94	$24.57K	1.9%	43.56K	44.41K
Total			+849.00		$24.57K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)2

Common Stock

Direct

Shares owned2.55K

Common Stock

Indirect

Shares owned13.69K

Total

2.55K direct·13.69K indirect16.24K

Security Title	Shares Owned	Ownership Type
Common Stock	2.55K	Direct
Common Stock	13.69K	Indirect
Total	16.24K	2.55K direct·13.69K indirect

Derivative Holdings (Post-Transaction)6

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

10.36K

Shares owned

10.36K

Exercise price

34.80

Expiration

—

Exercise window

—

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

5.42K

Shares owned

5.42K

Exercise price

33.58

Expiration

—

Exercise window

—

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

11.54K

Shares owned

11.54K

Exercise price

33.58

Expiration

—

Exercise window

—

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

4.72K

Shares owned

4.72K

Exercise price

38.25

Expiration

—

Exercise window

—

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

10.03K

Shares owned

10.03K

Exercise price

44.45

Expiration

—

Exercise window

—

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

7.43K

Shares owned

7.43K

Exercise price

40.10

Expiration

—

Exercise window

—

Total

Underlying

49.50K

Owned

49.50K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Options (Right to Buy) Direct	Common Stock	34.80	—	—	10.36K	10.36K
Stock Options (Right to Buy) Direct	Common Stock	33.58	—	—	5.42K	5.42K
Stock Options (Right to Buy) Direct	Common Stock	33.58	—	—	11.54K	11.54K
Stock Options (Right to Buy) Direct	Common Stock	38.25	—	—	4.72K	4.72K
Stock Options (Right to Buy) Direct	Common Stock	44.45	—	—	10.03K	10.03K
Stock Options (Right to Buy) Direct	Common Stock	40.10	—	—	7.43K	7.43K
Total					49.50K	49.50K

COLOMBO RUSSELL A — Insider Transaction (Form 4) Filed Jul 1, 2026 | Finecho