INSIDER
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ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources

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

Robinhood Chain…
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources
SEC FORM 428m ago
HOUSE PTR28m ago
SEC 13F27m ago
ROBINHOOD CHAIN27m ago
ZG
Corporate insider

Zikos Grigorios

Director, Chief Executive OfficerCIK 0001983417

EDGAR filingsOpen in network
Disclosed transactions1
Buys / sells0 / 1
Max Insider Score39
Connections with evidence1

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
39
ZG
Zikos GrigoriosDirector, Chief Executive Officer
CMDBCostamare Bulkers Holdings Ltd
Open-market sale
SELL$443K
24.2K sh
Aug 6, 2026Aug 7, 2026
traded Aug 6, 2026
+1dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    Costamare Bulkers Holdings LtdDirector, Chief Executive Officer · Aug 7, 2026