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Schedule 13G/A

BMRC Schedule 13G/A filing by Wellington Management Group

Wellington Management Group reported beneficial ownership of 632.0K shares, representing 3.92% of BANK OF MARIN BANCORP/CA in this filing.

FiledMay 15, 2026
Ownership dateMar 31, 2026
Reported shares632.0K
Reported ownership3.92%
Ownership details

Voting and dispositive power reported in the filing

These figures describe the reporting filer’s disclosed voting and investment authority. They should be read together with the reported share count and percentage.

Sole voting power 0
Shared voting power 632.0K
Sole dispositive power 0
Shared dispositive power 632.0K
Price context

Price dates alongside the ownership filing

Price data provides market context around the disclosure. It does not identify the filer’s actual transaction price.

Close near filing date$25.42as of May 15, 2026
Latest tracked price$29.50as of Aug 4, 2026
Source

Original filing and accession

Use the SEC filing as the primary source when you need the complete disclosure, footnotes, exhibits, or reporting-person details.

Reporting filer
Wellington Management Group
CIK
CIK0000902219
Accession
0000902219-26-000202
Form
Schedule 13G/A
Open SEC filing View BMRC ownership history
Read the filing in context

Understand what a Schedule 13 filing does—and does not—tell you.

How to read a Schedule 13G → Does a 13G mean the shares were just bought? → Filing date vs. ownership date →