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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 47m ago
HOUSE PTR7m ago
SEC 13F7m ago
ROBINHOOD CHAIN6m ago
SEC FORM 4/Tax withholdingVerified data

Heim Shannon reported NWE

VP and General Counsel · NorthWestern Energy Group, Inc. · Common Stock

Side
F
Value
$29K
Shares
442
Price
$64.54
Executed
Jan 15, 2026
Disclosed
Jan 20, 2026
Disclosure timeline5 days from execution to publication · legal deadline 2 business days
Jan 15 executedJan 20, 2026 disclosed

NWE · 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
19/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Tax withholding — administrative, little informational value

  • Relative size+5 / 25

$29K reported value · 6.5% of prior position

  • Filing timing+6 / 15

    Disclosed 3 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 · NWE

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    28
    Gilbert Ray Cisneros, Jr.DSelf
    NWENorthWestern Energy Group, Inc.
    Purchase
    		BUY$1,001 – $15KMar 3, 2026Apr 7, 2026
    traded Mar 3, 2026
    		+35dHOUSE PTR

    Evidence

    13
    EM
    Edwards Sherina M.Director
    NWENorthWestern Energy Group, Inc.
    Grant or award
    		A$38K
    569 sh
    		Apr 7, 2026Apr 7, 2026
    traded Apr 7, 2026
    		+0dSEC FORM 4

    Evidence

    17
    LB
    LaFave BleauVP - Bus Dvlpmt & Asset Mgmt
    NWENorthWestern Energy Group, Inc.
    Grant or award
    		A$46K
    671 sh
    		Feb 27, 2026Mar 2, 2026
    traded Feb 27, 2026
    		+3dSEC FORM 4

    Evidence

    13
    LB
    LaFave BleauVP - Bus Dvlpmt & Asset Mgmt
    NWENorthWestern Energy Group, Inc.
    Tax withholding
    		F—
    198 sh
    		Feb 27, 2026Mar 2, 2026
    traded Feb 27, 2026
    		+3dSEC FORM 4

    Evidence

    9
    HS
    Heim ShannonVP and General Counsel
    NWENorthWestern Energy Group, Inc.
    Grant or award
    		A$10K
    148 sh
    		Feb 24, 2026Feb 25, 2026
    traded Feb 24, 2026
    		+1dSEC FORM 4

    Evidence

    9
    HS
    Heim ShannonVP and General Counsel
    NWENorthWestern Energy Group, Inc.
    Tax withholding
    		F—
    11 sh
    		Feb 24, 2026Feb 25, 2026
    traded Feb 24, 2026
    		+1dSEC FORM 4

    Evidence

    12
    LD
    Lail Crystal DawnVP and CFO
    NWENorthWestern Energy Group, Inc.
    Tax withholding
    		F$52K
    808 sh
    		Jan 22, 2026Jan 23, 2026
    traded Jan 22, 2026
    		+1dSEC FORM 4

    Evidence

    9
    VJ
    Vold JeanneVP - Technology
    NWENorthWestern Energy Group, Inc.
    Tax withholding
    		F$14K
    223 sh
    		Jan 22, 2026Jan 23, 2026
    traded Jan 22, 2026
    		+1dSEC FORM 4

    Evidence

    9
    LB
    LaFave BleauVP - Bus Dvlpmt & Asset Mgmt
    NWENorthWestern Energy Group, Inc.
    Tax withholding
    		F$5,744
    89 sh
    		Jan 22, 2026Jan 23, 2026
    traded Jan 22, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MJ
    Merkel JasonVP - Distribution
    NWENorthWestern Energy Group, Inc.
    Tax withholding
    		F$13K
    206 sh
    		Jan 22, 2026Jan 23, 2026
    traded Jan 22, 2026
    		+1dSEC FORM 4

    Evidence

    9
    YW
    Yingling Jeffrey W.Director
    NWENorthWestern Energy Group, Inc.
    Grant or award
    		A$38K
    640 sh
    		Nov 4, 2025Nov 5, 2025
    traded Nov 4, 2025
    		+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
    0001960374-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Jan 15, 2026
    Published
    Jan 20, 2026
    Ingested by INSIDER
    Nov 5, 04:22 UTC
    Last re-read
    Nov 5, 04:22 UTC

    Extracted facts

    Filer
    Heim Shannon
    Role
    VP and General Counsel
    Transaction
    Tax withholdingAs filed: “F”
    Asset
    NorthWestern Energy Group, Inc.
    Ticker
    NWE
    Shares
    442
    Price per share
    $64.54
    Value
    $28,527
    Execution date (reported)
    Jan 15, 2026
    Owned after transaction
    7,195 shares
    Days from execution to publication
    5

    Calculation

    Value = shares × reported price per share

    • Shares: 442
    • Price: $64.54

    = $28,527

    What this establishes

    Heim Shannon filed this Form 4 reporting a tax withholding of NWE on Jan 15, 2026. It became public on Jan 20, 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 and General Counsel
    Heim Shannoncik:0001960374
    Issuer
    NorthWestern Energy Group, Inc.cik:0001993004

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.