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 41h ago
HOUSE PTR1h ago
SEC 13F1h ago
ROBINHOOD CHAIN1h ago
AA
Corporate insider

Arnette Stephen A

Chief Operating OfficerCIK 0001919492

EDGAR filingsOpen in network
Disclosed transactions3
Buys / sells0 / 0
Max Insider Score13
Connections with evidence1

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
13
AA
Arnette Stephen AChief Operating Officer
AMTMAmentum Holdings, Inc.
Option exercise
M—
13.6K sh
May 6, 2026May 7, 2026
traded May 6, 2026
+1dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    Amentum Holdings, Inc.Chief Operating Officer · May 7, 2026
12
AA
Arnette Stephen AChief Operating Officer
AMTMAmentum Holdings, Inc.
Tax withholding
F
$82K
3,314 sh
May 6, 2026
May 7, 2026
traded May 6, 2026
+1d
SEC FORM 4

Evidence

9
AA
Arnette Stephen AChief Operating Officer
AMTMAmentum Holdings, Inc.
Option exercise
M—
13.6K sh
May 6, 2026May 7, 2026
traded May 6, 2026
+1dSEC FORM 4

Evidence