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 44m ago
HOUSE PTR4m ago
SEC 13F4m ago
ROBINHOOD CHAIN4m ago
ND
Corporate insider

Niedzwiecki Daniel

See RemarksCIK 0001861113

EDGAR filingsOpen in network
Disclosed transactions5
Buys / sells0 / 0
Max Insider Score19
Connections with evidence1

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
12
ND
Niedzwiecki DanielSee Remarks
LNTHLantheus Holdings, Inc.
Tax withholding
F$160K
1,911 sh
Apr 17, 2026Apr 21, 2026
traded Apr 17, 2026
+4dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    Lantheus Holdings, Inc.See Remarks · Mar 4, 2026
17
ND
Niedzwiecki DanielSee Remarks
LNTHLantheus Holdings, Inc.
Grant or award
A
—
36.7K sh
Mar 5, 2026
Mar 9, 2026
traded Mar 5, 2026
+4d
SEC FORM 4

Evidence

12
ND
Niedzwiecki DanielSee Remarks
LNTHLantheus Holdings, Inc.
Tax withholding
F$98K
1,283 sh
Mar 5, 2026Mar 9, 2026
traded Mar 5, 2026
+4dSEC FORM 4

Evidence

13
ND
Niedzwiecki DanielSee Remarks
LNTHLantheus Holdings, Inc.
Grant or award
A—
5,169 sh
Mar 2, 2026Mar 4, 2026
traded Mar 2, 2026
+2dSEC FORM 4

Evidence

19
ND
Niedzwiecki DanielSee Remarks
LNTHLantheus Holdings, Inc.
Tax withholding
F$630K
8,259 sh
Mar 2, 2026Mar 4, 2026
traded Mar 2, 2026
+2dSEC FORM 4

Evidence