INSIDER
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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 ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
Corporate insider
HD

Hammer Joseph D

Director, Former Chief Executive OfficerCIK 0001576484

EDGAR filingsOpen in network
Disclosed transactions2
Buys / sells2 / 0
Max Insider Score63
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
63
HD
Hammer Joseph DDirector, Former Chief Executive Officer
XPONExpion Energy, Inc.
Open-market purchase
BUY$20.25B
4,500 sh
Aug 21, 2026Aug 25, 2026
traded Aug 21, 2026
+4dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    Expion Energy, Inc.Director, Former Chief Executive Officer · Aug 25, 2026
51
HD
Hammer Joseph DDirector, Former Chief Executive Officer
XPONExpion Energy, Inc.
Open-market purchase
BUY
—
1.06M sh
Aug 21, 2026
Aug 25, 2026
traded Aug 21, 2026
+4d
SEC FORM 4

Evidence

Data sources
SEC FORM 423s ago
HOUSE PTR2s ago
SEC 13F1s ago
ROBINHOOD CHAIN21m ago