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 45h ago
HOUSE PTR5h ago
SEC 13F5h ago
ROBINHOOD CHAIN5h ago
Corporate insider
AA

Arnette Stephen A

Chief Operating OfficerCIK 0001919492

EDGAR filingsOpen in network
Disclosed transactions3
Buys / sells0 / 0
Max Insider Score13
Connections1with evidence

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