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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/Open-market purchaseVerified data

Moriyama Leslie A bought DMLP

Chief Financial Officer · DORCHESTER MINERALS, L.P. · Common Units

Side
BUY
Value
$65K
Shares
3,041
Price
$21.5
Executed
Nov 25, 2025
Disclosed
Nov 28, 2025
Disclosure timeline3 days from execution to publication · legal deadline 2 business days
Nov 25 executedNov 28, 2025 disclosed

DMLP · 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
43/ 100 · ELEVATED
Methodology →
  • Transaction type+20 / 20

    Open-market purchase

  • Relative size+4 / 25

    $65K reported value · 3.8% 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 & clustering+5 / 15

    1 other actor traded the same direction within 14 days

  • 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 · DMLP

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    32
    August PflugerRSelf
    DMLPDORCHESTER MINERALS, L.P.
    Purchase
    		BUY$15K – $50KMar 13, 2026Apr 15, 2026
    traded Mar 13, 2026
    		+33dHOUSE PTR

    Evidence

    40
    VC
    Vaughn Robert CDirector
    DMLPDORCHESTER MINERALS, L.P.
    Open-market purchase
    		BUY$7,529
    352 sh
    		Nov 25, 2025Nov 28, 2025
    traded Nov 25, 2025
    		+3dSEC FORM 4

    Evidence

    51
    VC
    Vaughn Robert CDirector
    DMLPDORCHESTER MINERALS, L.P.
    Open-market purchase
    		BUY$91K
    4,263 sh
    		Nov 25, 2025Nov 28, 2025
    traded Nov 25, 2025
    		+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
    0001437749-25-036479
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Nov 25, 2025
    Published
    Nov 28, 2025
    Ingested by INSIDER
    Nov 5, 04:30 UTC
    Last re-read
    Nov 5, 04:30 UTC

    Extracted facts

    Filer
    Moriyama Leslie A
    Role
    Chief Financial Officer
    Transaction
    Open-market purchaseAs filed: “P”
    Asset
    DORCHESTER MINERALS, L.P.
    Ticker
    DMLP
    Shares
    3,041
    Price per share
    $21.5
    Value
    $65,382
    Execution date (reported)
    Nov 25, 2025
    Owned after transaction
    83.7K shares
    Days from execution to publication
    3

    Calculation

    Value = shares × reported price per share

    • Shares: 3,041
    • Price: $21.5

    = $65,382

    What this establishes

    Moriyama Leslie A filed this Form 4 reporting a open-market purchase of DMLP on Nov 25, 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
    Chief Financial Officer
    Moriyama Leslie Acik:0001642865
    Issuer
    DORCHESTER MINERALS, L.P.cik:0001172358

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.