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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 45h ago
HOUSE PTR5h ago
SEC 13F5h ago
ROBINHOOD CHAIN5h ago
SEC FORM 4/Open-market purchaseVerified data

Stone Stephen R. bought COSO

Director, PRESIDENT AND CEO · CoastalSouth Bancshares, Inc. · Common Stock

Side
BUY
Value
$4,830
Shares
200
Price
$24.15
Executed
Mar 9, 2026
Disclosed
Mar 9, 2026
Disclosure timeline0 days from execution to publication · legal deadline 2 business days
Mar 9 executedMar 9, 2026 disclosed

COSO · 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
29/ 100 · ROUTINE
Methodology →
  • Transaction type+20 / 20

    Open-market purchase

  • Relative size+1 / 25

    $5K reported value · 0.2% of prior position

  • Filing timing0 / 15

    Disclosed 0 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 · COSO

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    9
    MS
    Macleod James SDirector
    COSOCoastalSouth Bancshares, Inc.
    Option exercise
    M—
    55.0K sh
    Nov 3, 2026Nov 4, 2026
    traded Nov 3, 2026
    +1dSEC FORM 4

    Evidence

    23
    MS
    Macleod James SDirector
    COSOCoastalSouth Bancshares, Inc.
    Option exercise
    M$715K
    55.0K sh
    Nov 3, 2026Nov 4, 2026
    traded Nov 3, 2026
    +1dSEC FORM 4

    Evidence

    19
    MS
    Macleod James SDirector
    COSOCoastalSouth Bancshares, Inc.
    Tax withholding
    F$715K
    25.3K sh
    Nov 3, 2026Nov 4, 2026
    traded Nov 3, 2026
    +1dSEC 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
    0002064783-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Mar 9, 2026
    Published
    Mar 9, 2026
    Ingested by INSIDER
    Nov 5, 04:12 UTC
    Last re-read
    Nov 5, 04:12 UTC

    Extracted facts

    Filer
    Stone Stephen R.
    Role
    Director, PRESIDENT AND CEO
    Transaction
    Open-market purchaseAs filed: “P”
    Asset
    CoastalSouth Bancshares, Inc.
    Ticker
    COSO
    Shares
    200
    Price per share
    $24.15
    Value
    $4,830
    Execution date (reported)
    Mar 9, 2026
    Owned after transaction
    120.4K shares
    Days from execution to publication
    0

    Calculation

    Value = shares × reported price per share

    • Shares: 200
    • Price: $24.15

    = $4,830

    What this establishes

    Stone Stephen R. filed this Form 4 reporting a open-market purchase of COSO on Mar 9, 2026. It became public on Mar 9, 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
    Director, PRESIDENT AND CEO
    Stone Stephen R.cik:0002064783
    Issuer
    CoastalSouth Bancshares, Inc.cik:0001297107

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.