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 411m ago
HOUSE PTR11m ago
SEC 13F10m ago
ROBINHOOD CHAIN10m ago
Public company

Costamare Bulkers Holdings Ltd

CMDBCIK 0002033535

EDGAR filingsOpen in network
Price$18.48
1 year+40.2%
Disclosed transactions2
Buys / sells1 / 1
Max Insider Score39
Connections with evidence3

CMDB · disclosed activity on price

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
39
ZG
Zikos GrigoriosDirector, Chief Executive Officer
CMDBCostamare Bulkers Holdings Ltd
Open-market sale
SELL$443K
24.2K sh
Aug 6, 2026

Verified connections

  • In industryevidence
    Transportation & automotiveSEC SIC 4400 · Water Transportation · Nov 4, 2026
  • ← Insider ofevidence
    Zikos GrigoriosDirector, Chief Executive Officer · Aug 7, 2026
  • ← Insider ofevidence
    Eleftheriou KaterinaDirector · Mar 31, 2026
Aug 7, 2026
traded Aug 6, 2026
+1d
SEC FORM 4

Evidence

33
EK
Eleftheriou KaterinaDirector
CMDBCostamare Bulkers Holdings Ltd
Open-market purchase
BUY$982
65 sh
Mar 27, 2026Mar 31, 2026
traded Mar 27, 2026
+4dSEC FORM 4

Evidence