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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 41h ago
HOUSE PTR1h ago
SEC 13F1h ago
ROBINHOOD CHAIN1h ago
SEC FORM 4/Tax withholdingVerified data

Bonaccorso David reported BMRC

EVP, Chief Financial Officer · Bank of Marin Bancorp · Common Stock

Side
F
Value
$7,644
Shares
273
Price
$28
Executed
Sep 22, 2026
Disclosed
Sep 24, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Sep 22 executedSep 24, 2026 disclosed

BMRC · daily

Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.

Insider Score

Experimental signal
9/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Tax withholding — administrative, little informational value

  • Relative size+1 / 25

$8K reported value · 1.6% of prior position

  • Filing timing0 / 15

    Disclosed 2 business days after execution (deadline: 2)

  • Historical behavior+8 / 15

    First recorded trade by this actor in this security

  • Frequency & clustering0 / 15

    No clustered activity in the dataset

  • Market events0 / 10

    No material company filing within 60 days after the trade

    • The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.

    Other disclosed activity · BMRC

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    29
    AC
    Anderson Nicolas CDirector
    BMRCBank of Marin Bancorp
    Open-market purchase
    		BUY$1,138
    40 sh
    		Oct 29, 2026Oct 30, 2026
    traded Oct 29, 2026
    		+1dSEC FORM 4

    Evidence

    9
    CB
    Campbell BrandiEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Disposition to issuer
    		D—
    18.1K sh
    		Oct 16, 2026Oct 19, 2026
    traded Oct 16, 2026
    		+3dSEC FORM 4

    Evidence

    16
    GC
    Gencer CigdemDirector
    BMRCBank of Marin Bancorp
    Other acquisition or disposition
    		J$25K
    849 sh
    		Jul 1, 2026Jul 1, 2026
    traded Jul 1, 2026
    		+0dSEC FORM 4

    Evidence

    9
    BA
    Bloom David AEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Tax withholding
    		F$16K
    604 sh
    		Jun 10, 2026Jun 11, 2026
    traded Jun 10, 2026
    		+1dSEC FORM 4

    Evidence

    9
    BD
    Bonaccorso DavidEVP, Chief Financial Officer
    BMRCBank of Marin Bancorp
    Tax withholding
    		F$7,740
    296 sh
    		Jun 10, 2026Jun 11, 2026
    traded Jun 10, 2026
    		+1dSEC FORM 4

    Evidence

    24
    SM
    Stewart MisakoEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Expiration of long derivative
    		H—
    900 sh
    		Mar 1, 2026May 6, 2026
    traded Mar 1, 2026
    		+66dSEC FORM 4

    Evidence

    24
    GR
    Gotelli RobertEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Expiration of long derivative
    		H—
    1,300 sh
    		Apr 1, 2024May 6, 2026
    traded Apr 1, 2024
    		+765dSEC FORM 4

    Evidence

    24
    GR
    Gotelli RobertEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Expiration of long derivative
    		H—
    2,200 sh
    		Mar 2, 2025May 6, 2026
    traded Mar 2, 2025
    		+430dSEC FORM 4

    Evidence

    24
    SM
    Stewart MisakoEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Expiration of long derivative
    		H—
    520 sh
    		Apr 1, 2024May 6, 2026
    traded Apr 1, 2024
    		+765dSEC FORM 4

    Evidence

    24
    GR
    Gotelli RobertEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Expiration of long derivative
    		H—
    1,200 sh
    		Mar 1, 2026May 6, 2026
    traded Mar 1, 2026
    		+66dSEC FORM 4

    Evidence

    24
    SM
    Stewart MisakoEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Expiration of long derivative
    		H—
    820 sh
    		Mar 2, 2025May 6, 2026
    traded Mar 2, 2025
    		+430dSEC FORM 4

    Evidence

    16
    GR
    Gotelli RobertEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Other acquisition or disposition
    		J—
    2,212 sh
    		Mar 25, 2026Mar 27, 2026
    traded Mar 25, 2026
    		+2dSEC FORM 4

    Evidence

    16
    CB
    Campbell BrandiEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Other acquisition or disposition
    		J—
    2,817 sh
    		Mar 25, 2026Mar 27, 2026
    traded Mar 25, 2026
    		+2dSEC FORM 4

    Evidence

    16
    SM
    Stewart MisakoEXECUTIVE VICE PRESIDENT
    BMRCBank of Marin Bancorp
    Other acquisition or disposition
    		J—
    3,222 sh
    		Mar 25, 2026Mar 27, 2026
    traded Mar 25, 2026
    		+2dSEC FORM 4

    Evidence

    Evidence

    Verified data

    Read directly from the primary public document; every field below is as reported by the filer.

    Source

    Document
    SEC Form 4
    Publisher
    U.S. Securities and Exchange Commission (EDGAR)
    Document ID
    0001994445-26-000008
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Sep 22, 2026
    Published
    Sep 24, 2026
    Ingested by INSIDER
    Nov 5, 02:15 UTC
    Last re-read
    Nov 5, 02:15 UTC

    Extracted facts

    Filer
    Bonaccorso David
    Role
    EVP, Chief Financial Officer
    Transaction
    Tax withholdingAs filed: “F”
    Asset
    Bank of Marin Bancorp
    Ticker
    BMRC
    Shares
    273
    Price per share
    $28
    Value
    $7,644
    Execution date (reported)
    Sep 22, 2026
    Owned after transaction
    17.5K shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 273
    • Price: $28

    = $7,644

    What this establishes

    Bonaccorso David filed this Form 4 reporting a tax withholding of BMRC on Sep 22, 2026. It became public on Sep 24, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

    Extraction

    Method
    Form 4 XML
    Confidence
    1.00
    EVP, Chief Financial Officer
    Bonaccorso Davidcik:0001994445
    Issuer
    Bank of Marin Bancorpcik:0001403475

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.