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Data sources

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

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 45h ago
HOUSE PTR5h ago
SEC 13F5h ago
ROBINHOOD CHAIN5h ago
SEC FORM 4/Tax withholdingVerified data

Henschen Michael A II reported MPC

Ex VP, Refining · Marathon Petroleum Corp · Common Stock

Side
F
Value
$39K
Shares
191
Price
$206.3
Executed
Mar 2, 2026
Disclosed
Mar 3, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Mar 2 executedMar 3, 2026 disclosed

MPC · 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

$39K reported value · 1.1% of prior position

  • Filing timing0 / 15

    Disclosed 1 business day 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 · MPC

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    13
    David J. TaylorRSelf
    MPCMarathon Petroleum Corp
    Sale
    		SELL$1,001 – $15KOct 15, 2026Oct 29, 2026
    traded Oct 15, 2026
    		+14dHOUSE PTR

    Evidence

    13
    David J. TaylorRSelf
    MPCMarathon Petroleum Corp
    Sale
    		SELL$1,001 – $15KOct 15, 2026Oct 29, 2026
    traded Oct 15, 2026
    		+14dHOUSE PTR

    Evidence

    16
    David J. TaylorRSelf
    MPCMarathon Petroleum Corp
    Sale
    		SELL$1,001 – $15KSep 22, 2026Oct 1, 2026
    traded Sep 22, 2026
    		+9dHOUSE PTR

    Evidence

    16
    David J. TaylorRSelf
    MPCMarathon Petroleum Corp
    Sale
    		SELL$1,001 – $15KSep 22, 2026Oct 1, 2026
    traded Sep 22, 2026
    		+9dHOUSE PTR

    Evidence

    21
    David J. TaylorRSelf
    MPCMarathon Petroleum Corp
    Sale
    		SELL$1,001 – $15KJul 24, 2026Aug 6, 2026
    traded Jul 24, 2026
    		+13dHOUSE PTR

    Evidence

    21
    David J. TaylorRSelf
    MPCMarathon Petroleum Corp
    Sale
    		SELL$1,001 – $15KJul 24, 2026Aug 6, 2026
    traded Jul 24, 2026
    		+13dHOUSE PTR

    Evidence

    25
    Dan NewhouseRSpouse
    MPCMarathon Petroleum Corp
    Partial sale
    		SELL$1,001 – $15KJul 10, 2026Jul 17, 2026
    traded Jul 10, 2026
    		+7dHOUSE PTR

    Evidence

    31
    HD
    Hessling Ricky D.Chief Commercial Officer
    MPCMarathon Petroleum Corp
    Open-market sale
    		SELL$250K
    1,000 sh
    		May 13, 2026May 15, 2026
    traded May 13, 2026
    		+2dSEC FORM 4

    Evidence

    16
    David J. TaylorRSelf
    MPCMarathon Petroleum Corp
    Sale
    		SELL$1,001 – $15KMar 11, 2026Mar 20, 2026
    traded Mar 11, 2026
    		+9dHOUSE PTR

    Evidence

    16
    David J. TaylorRSelf
    MPCMarathon Petroleum Corp
    Sale
    		SELL$1,001 – $15KMar 11, 2026Mar 20, 2026
    traded Mar 11, 2026
    		+9dHOUSE PTR

    Evidence

    20
    David J. TaylorRSelf
    MPCMarathon Petroleum Corp
    Sale
    		SELL$1,001 – $15KFeb 26, 2026Mar 6, 2026
    traded Feb 26, 2026
    		+8dHOUSE PTR

    Evidence

    13
    HA
    Henschen Michael A IIEx VP, Refining
    MPCMarathon Petroleum Corp
    Grant or award
    		A—
    2,290 sh
    		Mar 1, 2026Mar 3, 2026
    traded Mar 1, 2026
    		+2dSEC FORM 4

    Evidence

    21
    KA
    Khoury Maria AExec VP & Chief Fin Ofc
    MPCMarathon Petroleum Corp
    Grant or award
    		A—
    2,443 sh
    		Mar 1, 2026Mar 3, 2026
    traded Mar 1, 2026
    		+2dSEC FORM 4

    Evidence

    9
    HA
    Henschen Michael A IIEx VP, Refining
    MPCMarathon Petroleum Corp
    Tax withholding
    		F$34K
    167 sh
    		Mar 2, 2026Mar 3, 2026
    traded Mar 2, 2026
    		+1dSEC FORM 4

    Evidence

    9
    HA
    Henschen Michael A IIEx VP, Refining
    MPCMarathon Petroleum Corp
    Tax withholding
    		F$25K
    123 sh
    		Mar 2, 2026Mar 3, 2026
    traded Mar 2, 2026
    		+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
    0002069536-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Mar 2, 2026
    Published
    Mar 3, 2026
    Ingested by INSIDER
    Nov 5, 04:14 UTC
    Last re-read
    Nov 5, 04:14 UTC

    Extracted facts

    Filer
    Henschen Michael A II
    Role
    Ex VP, Refining
    Transaction
    Tax withholdingAs filed: “F”
    Asset
    Marathon Petroleum Corp
    Ticker
    MPC
    Shares
    191
    Price per share
    $206.3
    Value
    $39,403
    Execution date (reported)
    Mar 2, 2026
    Owned after transaction
    18.3K shares
    Days from execution to publication
    1

    Calculation

    Value = shares × reported price per share

    • Shares: 191
    • Price: $206.3

    = $39,403

    What this establishes

    Henschen Michael A II filed this Form 4 reporting a tax withholding of MPC on Mar 2, 2026. It became public on Mar 3, 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
    Ex VP, Refining
    Henschen Michael A IIcik:0002069536
    Issuer
    Marathon Petroleum Corpcik:0001510295

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.