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…
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 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
Corporate insider
WC

Winmill Mark Campbell

Director, President and CEOCIK 0001019264

EDGAR filingsOpen in network
Disclosed transactions4
Buys / sells4 / 0
Max Insider Score34
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
25
WC
Winmill Mark CampbellDirector, President and CEO
SELFGlobal Self Storage, Inc.
Open-market purchase
BUY$258
50 sh
Sep 10, 2026Sep 11, 2026
traded Sep 10, 2026
+1dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    Global Self Storage, Inc.Director, President and CEO · Sep 11, 2026
34
WC
Winmill Mark CampbellDirector, President and CEO
SELFGlobal Self Storage, Inc.
Open-market purchase
BUY
$8,256
1,600 sh
Sep 9, 2026
Sep 11, 2026
traded Sep 9, 2026
+2d
SEC FORM 4

Evidence

25
WC
Winmill Mark CampbellDirector, President and CEO
SELFGlobal Self Storage, Inc.
Open-market purchase
BUY$1,507
292 sh
Sep 10, 2026Sep 11, 2026
traded Sep 10, 2026
+1dSEC FORM 4

Evidence

34
WC
Winmill Mark CampbellDirector, President and CEO
SELFGlobal Self Storage, Inc.
Open-market purchase
BUY$11K
2,058 sh
Sep 9, 2026Sep 11, 2026
traded Sep 9, 2026
+2dSEC FORM 4

Evidence