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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 43h ago
HOUSE PTR3h ago
SEC 13F3h ago
ROBINHOOD CHAIN3h ago
SEC FORM 4/Open-market saleVerified data

Mason Stephen M sold CAH

CEO, GMPD Segment · CARDINAL HEALTH INC · Common Shares

Side
SELL
Value
$2.57M
Shares
10.9K
Price
$236.5
Executed
Aug 18, 2026
Disclosed
Aug 20, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Aug 18 executedAug 20, 2026 disclosed

CAH · 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
53/ 100 · NOTABLE
Methodology →
  • Transaction type+12 / 20

    Open-market sale

  • Relative size+18 / 25

    $2.6M reported value · 26.0% 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 & clustering+15 / 15

    6 other actors 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 · CAH

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    49
    MM
    Mason Stephen MCEO, GMPD Segment
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$1.93M
    8,195 sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    53
    MM
    Mason Stephen MCEO, GMPD Segment
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$3.04M
    12.8K sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    53
    ML
    Mayer Jessica LChief Legal/Compliance Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$2.58M
    10.9K sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    42
    AE
    Alt Aaron EChief Financial Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$731K
    3,115 sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    53
    AE
    Alt Aaron EChief Financial Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$2.88M
    12.2K sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    53
    AE
    Alt Aaron EChief Financial Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$3.24M
    13.7K sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    53
    AE
    Alt Aaron EChief Financial Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$3.08M
    13.0K sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    49
    HM
    Hollar Jason M.Chief Executive Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$7.05M
    29.9K sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    49
    HM
    Hollar Jason M.Chief Executive Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$3.83M
    16.2K sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    49
    HM
    Hollar Jason M.Chief Executive Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$2.96M
    12.5K sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    38
    HM
    Hollar Jason M.Chief Executive Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$810K
    3,457 sh
    		Aug 19, 2026Aug 20, 2026
    traded Aug 19, 2026
    		+1dSEC FORM 4

    Evidence

    41
    HM
    Hollar Jason M.Chief Executive Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$1.34M
    5,704 sh
    		Aug 19, 2026Aug 20, 2026
    traded Aug 19, 2026
    		+1dSEC FORM 4

    Evidence

    41
    HM
    Hollar Jason M.Chief Executive Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$1.59M
    6,731 sh
    		Aug 19, 2026Aug 20, 2026
    traded Aug 19, 2026
    		+1dSEC FORM 4

    Evidence

    45
    HM
    Hollar Jason M.Chief Executive Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$3.84M
    16.2K sh
    		Aug 19, 2026Aug 20, 2026
    traded Aug 19, 2026
    		+1dSEC FORM 4

    Evidence

    41
    HM
    Hollar Jason M.Chief Executive Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$1.49M
    6,244 sh
    		Aug 19, 2026Aug 20, 2026
    traded Aug 19, 2026
    		+1dSEC FORM 4

    Evidence

    39
    WD
    Weitzman DeborahCEO, PSS Segment
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$97K
    408 sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    49
    HM
    Hollar Jason M.Chief Executive Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$5.02M
    21.4K sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+2dSEC FORM 4

    Evidence

    36
    SC
    Scherer Mary C.Chief Accounting Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$24K
    100 sh
    		Aug 19, 2026Aug 20, 2026
    traded Aug 19, 2026
    		+1dSEC FORM 4

    Evidence

    50
    SC
    Scherer Mary C.Chief Accounting Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$523K
    2,202 sh
    		Aug 19, 2026Aug 20, 2026
    traded Aug 19, 2026
    		+1dSEC FORM 4

    Evidence

    46
    GD
    Greene Michelle D.Chief Information Officer
    CAHCARDINAL HEALTH INC
    Open-market sale
    		SELL$586K
    2,500 sh
    		Aug 18, 2026Aug 20, 2026
    traded Aug 18, 2026
    		+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
    0001786065-26-000003
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Aug 18, 2026
    Published
    Aug 20, 2026
    Ingested by INSIDER
    Nov 5, 02:21 UTC
    Last re-read
    Nov 5, 02:21 UTC

    Extracted facts

    Filer
    Mason Stephen M
    Role
    CEO, GMPD Segment
    Transaction
    Open-market saleAs filed: “S”
    Asset
    CARDINAL HEALTH INC
    Ticker
    CAH
    Shares
    10.9K
    Price per share
    $236.5
    Value
    $2,572,174
    Execution date (reported)
    Aug 18, 2026
    Owned after transaction
    30.9K shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 10.9K
    • Price: $236.5

    = $2,572,174

    What this establishes

    Mason Stephen M filed this Form 4 reporting a open-market sale of CAH on Aug 18, 2026. It became public on Aug 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
    CEO, GMPD Segment
    Mason Stephen Mcik:0001786065
    Issuer
    CARDINAL HEALTH INCcik:0000721371

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.