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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 43h ago
HOUSE PTR3h ago
SEC 13F3h ago
ROBINHOOD CHAIN3h ago
SEC FORM 4/Tax withholdingVerified data

Hamner Kristan A reported CWT

VP, Chief Human Resource Offcr · CALIFORNIA WATER SERVICE GROUP · Common Stock

Side
F
Value
$2,101
Shares
42
Price
$50.03
Executed
Sep 4, 2026
Disclosed
Sep 8, 2026
Disclosure timeline4 days from execution to publication · legal deadline 2 business days
Sep 4 executedSep 8, 2026 disclosed

CWT · 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

$2K reported value · 1.4% 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 · CWT

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    9
    BC
    Bunting Shawn CSVP, Chief Legal Officer & BD
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$3,452
    69 sh
    		Sep 5, 2026Sep 8, 2026
    traded Sep 5, 2026
    		+3dSEC FORM 4

    Evidence

    9
    BC
    Bunting Shawn CSVP, Chief Legal Officer & BD
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$3,552
    71 sh
    		Sep 4, 2026Sep 8, 2026
    traded Sep 4, 2026
    		+4dSEC FORM 4

    Evidence

    9
    JG
    Jenkins Kenneth GVP Water Res Plan & Sustain
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$1,901
    38 sh
    		Sep 5, 2026Sep 8, 2026
    traded Sep 5, 2026
    		+3dSEC FORM 4

    Evidence

    9
    JG
    Jenkins Kenneth GVP Water Res Plan & Sustain
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$3,202
    64 sh
    		Sep 4, 2026Sep 8, 2026
    traded Sep 4, 2026
    		+4dSEC FORM 4

    Evidence

    9
    JM
    James Sophie MarwiehVP Water Qual
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$2,502
    50 sh
    		Sep 5, 2026Sep 8, 2026
    traded Sep 5, 2026
    		+3dSEC FORM 4

    Evidence

    9
    JM
    James Sophie MarwiehVP Water Qual
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$2,552
    51 sh
    		Sep 4, 2026Sep 8, 2026
    traded Sep 4, 2026
    		+4dSEC FORM 4

    Evidence

    9
    SA
    Scanlon Thomas AVP, Corporate Controller & PAO
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$1,501
    30 sh
    		Sep 5, 2026Sep 8, 2026
    traded Sep 5, 2026
    		+3dSEC FORM 4

    Evidence

    9
    MS
    Mares Michael S JRSVP Operations
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$3,352
    67 sh
    		Sep 5, 2026Sep 8, 2026
    traded Sep 5, 2026
    		+3dSEC FORM 4

    Evidence

    9
    SA
    Scanlon Thomas AVP, Corporate Controller & PAO
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$1,501
    30 sh
    		Sep 4, 2026Sep 8, 2026
    traded Sep 4, 2026
    		+4dSEC FORM 4

    Evidence

    9
    MS
    Mares Michael S JRSVP Operations
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$3,452
    69 sh
    		Sep 4, 2026Sep 8, 2026
    traded Sep 4, 2026
    		+4dSEC FORM 4

    Evidence

    9
    PK
    Peters Todd KennethVice President, Engineering
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$2,001
    40 sh
    		Sep 5, 2026Sep 8, 2026
    traded Sep 5, 2026
    		+3dSEC FORM 4

    Evidence

    9
    PK
    Peters Todd KennethVice President, Engineering
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$2,051
    41 sh
    		Sep 4, 2026Sep 8, 2026
    traded Sep 4, 2026
    		+4dSEC FORM 4

    Evidence

    9
    JM
    James Sophie MarwiehVP Water Qual
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$2,291
    50 sh
    		Jun 5, 2026Jun 8, 2026
    traded Jun 5, 2026
    		+3dSEC FORM 4

    Evidence

    9
    JG
    Jenkins Kenneth GVP Water Res Plan & Sustain
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$1,741
    38 sh
    		Jun 5, 2026Jun 8, 2026
    traded Jun 5, 2026
    		+3dSEC FORM 4

    Evidence

    9
    BC
    Bunting Shawn CSr. VP, GC and Business Dev
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$3,167
    70 sh
    		Jun 4, 2026Jun 8, 2026
    traded Jun 4, 2026
    		+4dSEC FORM 4

    Evidence

    9
    BC
    Bunting Shawn CSr. VP, GC and Business Dev
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$3,162
    69 sh
    		Jun 5, 2026Jun 8, 2026
    traded Jun 5, 2026
    		+3dSEC FORM 4

    Evidence

    9
    PK
    Peters Todd KennethVice President, Engineering
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$1,810
    40 sh
    		Jun 4, 2026Jun 8, 2026
    traded Jun 4, 2026
    		+4dSEC FORM 4

    Evidence

    9
    PK
    Peters Todd KennethVice President, Engineering
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$1,833
    40 sh
    		Jun 5, 2026Jun 8, 2026
    traded Jun 5, 2026
    		+3dSEC FORM 4

    Evidence

    9
    SA
    Scanlon Thomas AVP, Corporate Controller & PAO
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$1,357
    30 sh
    		Jun 4, 2026Jun 8, 2026
    traded Jun 4, 2026
    		+4dSEC FORM 4

    Evidence

    9
    SA
    Scanlon Thomas AVP, Corporate Controller & PAO
    CWTCALIFORNIA WATER SERVICE GROUP
    Tax withholding
    		F$1,375
    30 sh
    		Jun 5, 2026Jun 8, 2026
    traded Jun 5, 2026
    		+3dSEC 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
    0002058905-26-000008
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Sep 4, 2026
    Published
    Sep 8, 2026
    Ingested by INSIDER
    Nov 5, 02:18 UTC
    Last re-read
    Nov 5, 02:18 UTC

    Extracted facts

    Filer
    Hamner Kristan A
    Role
    VP, Chief Human Resource Offcr
    Transaction
    Tax withholdingAs filed: “F”
    Asset
    CALIFORNIA WATER SERVICE GROUP
    Ticker
    CWT
    Shares
    42
    Price per share
    $50.03
    Value
    $2,101
    Execution date (reported)
    Sep 4, 2026
    Owned after transaction
    2,979 shares
    Days from execution to publication
    4

    Calculation

    Value = shares × reported price per share

    • Shares: 42
    • Price: $50.03

    = $2,101

    What this establishes

    Hamner Kristan A filed this Form 4 reporting a tax withholding of CWT on Sep 4, 2026. It became public on Sep 8, 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
    VP, Chief Human Resource Offcr
    Hamner Kristan Acik:0002058905
    Issuer
    CALIFORNIA WATER SERVICE GROUPcik:0001035201

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.