INSIDER
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ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
Data sources

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

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 45h ago
HOUSE PTR5h ago
SEC 13F5h ago
ROBINHOOD CHAIN5h ago
Public company

AMPHAmphastar Pharmaceuticals, Inc.

CIK 0001297184

EDGAR filingsOpen in network
Disclosed transactions2
Buys / sells0 / 0
Max Insider Score21
Connections2with evidence

AMPH · disclosed activity on price

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
21
GR
Gaugh David RussellDirector
AMPHAmphastar Pharmaceuticals, Inc.
Grant or award
A—
8,143 sh
Jun 1, 2026Jun 3, 2026
traded Jun 1, 2026
+2dSEC FORM 4

Evidence

Verified connections

  • In industryevidence
    Pharmaceuticals, devices & health servicesSEC SIC 2834 · Pharmaceutical Preparations · Nov 4, 2026
  • ← Insider ofevidence
    Gaugh David RussellDirector · Jun 3, 2026
9
GR
Gaugh David RussellDirector
AMPHAmphastar Pharmaceuticals, Inc.
Grant or award
A
—
17.4K sh
Jun 1, 2026
Jun 3, 2026
traded Jun 1, 2026
+2d
SEC FORM 4

Evidence