INSIDER
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ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
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 418m ago
HOUSE PTR18m ago
SEC 13F18m ago
ROBINHOOD CHAIN18m ago
Corporate insider
MM

Mason Stephen M

CEO, GMPD SegmentCIK 0001786065

EDGAR filingsOpen in network
Disclosed transactions5
Buys / sells0 / 4
Max Insider Score53
Connections1with evidence

Disclosed transactions

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

Verified connections

  • Insider ofevidence
    CARDINAL HEALTH INCCEO, GMPD Segment · Dec 2, 2025
53
MM
Mason Stephen MCEO, GMPD Segment
CAHCARDINAL HEALTH INC
Open-market sale
SELL
$3.04M
12.8K sh
Aug 18, 2026
Aug 20, 2026
traded Aug 18, 2026
+2d
SEC FORM 4

Evidence

53
MM
Mason Stephen MCEO, GMPD Segment
CAHCARDINAL HEALTH INC
Open-market sale
SELL$2.57M
10.9K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

46
MM
Mason Stephen MCEO, GMPD Segment
CAHCARDINAL HEALTH INC
Open-market sale
SELL$727K
3,100 sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

12
MM
Mason Stephen MCEO, GMPD Segment
CAHCARDINAL HEALTH INC
Tax withholding
F$126K
595 sh
Dec 1, 2025Dec 2, 2025
traded Dec 1, 2025
+1dSEC FORM 4

Evidence