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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 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
SEC FORM 4/Open-market purchaseVerified data

Stahl Murray bought HKHC

Director, CEO and CIO, 10% Owner · Horizon Kinetics Holding Corp · Common Stock

Side
BUY
Value
$327
Shares
12
Price
$27.23
Executed
Nov 26, 2025
Disclosed
Nov 28, 2025
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Nov 26 executedNov 28, 2025 disclosed

HKHC · 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

    $327 reported value · 0.0% 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 · HKHC

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    33
    SM
    Stahl MurrayDirector, CEO and CIO, 10% Owner
    HKHCHorizon Kinetics Holding Corp
    Open-market purchase
    		BUY$109
    4 sh
    		Nov 26, 2025Nov 28, 2025
    traded Nov 26, 2025
    		+2dSEC FORM 4

    Evidence

    29
    SM
    Stahl MurrayDirector, CEO and CIO, 10% Owner
    HKHCHorizon Kinetics Holding Corp
    Open-market purchase
    		BUY$218
    8 sh
    		Nov 26, 2025Nov 28, 2025
    traded Nov 26, 2025
    		+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
    0001437749-25-036487
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Nov 26, 2025
    Published
    Nov 28, 2025
    Ingested by INSIDER
    Nov 5, 04:30 UTC
    Last re-read
    Nov 5, 04:30 UTC

    Extracted facts

    Filer
    Stahl Murray
    Role
    Director, CEO and CIO, 10% Owner
    Transaction
    Open-market purchaseAs filed: “P”
    Asset
    Horizon Kinetics Holding Corp
    Ticker
    HKHC
    Shares
    12
    Price per share
    $27.23
    Value
    $327
    Execution date (reported)
    Nov 26, 2025
    Owned after transaction
    249.0K shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 12
    • Price: $27.23

    = $327

    What this establishes

    Stahl Murray filed this Form 4 reporting a open-market purchase of HKHC on Nov 26, 2025. It became public on Nov 28, 2025. 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, CEO and CIO, 10% Owner
    Stahl Murraycik:0001207097
    Issuer
    Horizon Kinetics Holding Corpcik:0000088000

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.