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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

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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 saleVerified data

Whitehead James sold BSM

Director · Black Stone Minerals, L.P. · Common units representing limited partner interests

Side
SELL
Value
$6.58M
Shares
498.3K
Price
$13.21
Executed
Aug 6, 2026
Disclosed
Aug 10, 2026
Disclosure timeline4 days from execution to publication · legal deadline 2 business days
Aug 6 executedAug 10, 2026 disclosed

BSM · 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
42/ 100 · ELEVATED
Methodology →
  • Transaction type+12 / 20

    Open-market sale

  • Relative size+22 / 25

    $6.6M reported value · 100.0% 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 · BSM

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    13
    HL
    Hamman Anne LenoirDirector
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A$19K
    1,309 sh
    		Oct 2, 2026Oct 5, 2026
    traded Oct 2, 2026
    		+3dSEC FORM 4

    Evidence

    45
    WJ
    Whitehead JamesDirector
    BSMBlack Stone Minerals, L.P.
    Open-market sale
    		SELL$21.52M
    1.63M sh
    		Aug 6, 2026Aug 10, 2026
    traded Aug 6, 2026
    		+4dSEC FORM 4

    Evidence

    13
    HL
    Hamman Anne LenoirDirector
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A$19K
    1,342 sh
    		Jul 2, 2026Jul 2, 2026
    traded Jul 2, 2026
    		+0dSEC FORM 4

    Evidence

    28
    LJ
    Longmaid Ashley JDirector
    BSMBlack Stone Minerals, L.P.
    Open-market sale
    		SELL$150K
    11.1K sh
    		May 12, 2026May 13, 2026
    traded May 12, 2026
    		+1dSEC FORM 4

    Evidence

    13
    HL
    Hamman Anne LenoirDirector
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A$7,152
    473 sh
    		Apr 2, 2026Apr 6, 2026
    traded Apr 2, 2026
    		+4dSEC FORM 4

    Evidence

    9
    RE
    Randall William E.Director
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A$22K
    1,488 sh
    		Apr 2, 2026Apr 6, 2026
    traded Apr 2, 2026
    		+4dSEC FORM 4

    Evidence

    9
    BC
    Bonner ChrisSVP, CFO, and Treasurer
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A—
    1,447 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    9
    CF
    Carter FowlerDirector, Co-CEO and President
    BSMBlack Stone Minerals, L.P.
    Tax withholding
    		F$4,950
    325 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    9
    CF
    Carter FowlerDirector, Co-CEO and President
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A—
    1,330 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    9
    DT
    DeWalch TaylorDirector, Co-CEO and President
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A—
    1,958 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    9
    DT
    DeWalch TaylorDirector, Co-CEO and President
    BSMBlack Stone Minerals, L.P.
    Tax withholding
    		F$7,280
    478 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    9
    BC
    Bonner ChrisSVP, CFO, and Treasurer
    BSMBlack Stone Minerals, L.P.
    Tax withholding
    		F$6,549
    430 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    21
    PL
    Phillips Erin LeahController (PAO)
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A—
    2,002 sh
    		Feb 4, 2026Feb 6, 2026
    traded Feb 4, 2026
    		+2dSEC FORM 4

    Evidence

    21
    CF
    Carter FowlerDirector, Co-CEO and President
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A—
    80.1K sh
    		Feb 4, 2026Feb 6, 2026
    traded Feb 4, 2026
    		+2dSEC FORM 4

    Evidence

    21
    BC
    Bonner ChrisSVP, CFO, and Treasurer
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A—
    42.7K sh
    		Feb 4, 2026Feb 6, 2026
    traded Feb 4, 2026
    		+2dSEC FORM 4

    Evidence

    21
    DT
    DeWalch TaylorDirector, Co-CEO and President
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A—
    80.1K sh
    		Feb 4, 2026Feb 6, 2026
    traded Feb 4, 2026
    		+2dSEC FORM 4

    Evidence

    13
    RE
    Randall William E.Director
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A—
    14.3K sh
    		Jan 13, 2026Jan 15, 2026
    traded Jan 13, 2026
    		+2dSEC FORM 4

    Evidence

    17
    WJ
    Whitehead JamesDirector
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A—
    14.3K sh
    		Jan 13, 2026Jan 15, 2026
    traded Jan 13, 2026
    		+2dSEC FORM 4

    Evidence

    13
    LJ
    Longmaid Ashley JDirector
    BSMBlack Stone Minerals, L.P.
    Grant or award
    		A—
    14.3K sh
    		Jan 13, 2026Jan 15, 2026
    traded Jan 13, 2026
    		+2dSEC FORM 4

    Evidence

    23
    PL
    Phillips Erin LeahController (PAO)
    BSMBlack Stone Minerals, L.P.
    Tax withholding
    		F$2,823
    211 sh
    		Jan 7, 2026Jan 15, 2026
    traded Jan 7, 2026
    		+8dSEC 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
    0001987724-26-000004
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Aug 6, 2026
    Published
    Aug 10, 2026
    Ingested by INSIDER
    Nov 5, 02:24 UTC
    Last re-read
    Nov 5, 02:24 UTC

    Extracted facts

    Filer
    Whitehead James
    Role
    Director
    Transaction
    Open-market saleAs filed: “S”
    Asset
    Black Stone Minerals, L.P.
    Ticker
    BSM
    Shares
    498.3K
    Price per share
    $13.21
    Value
    $6,583,111
    Execution date (reported)
    Aug 6, 2026
    Owned after transaction
    0 shares
    Days from execution to publication
    4

    Calculation

    Value = shares × reported price per share

    • Shares: 498.3K
    • Price: $13.21

    = $6,583,111

    What this establishes

    Whitehead James filed this Form 4 reporting a open-market sale of BSM on Aug 6, 2026. It became public on Aug 10, 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
    Whitehead Jamescik:0001987724
    Issuer
    Black Stone Minerals, L.P.cik:0001621434

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.