INSIDER
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ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
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 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
Corporate insider
BM

Blumenstock Gerald M

EVP, Research, Dev. & Eng.CIK 0001979418

EDGAR filingsOpen in network
Disclosed transactions4
Buys / sells0 / 3
Max Insider Score39
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
8
BM
Blumenstock Gerald MEVP, Research, Dev. & Eng.
ACLSAXCELIS TECHNOLOGIES INC
Tax withholding
F$97K
506 sh
Jun 15, 2026Jun 16, 2026
traded Jun 15, 2026
+1dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    AXCELIS TECHNOLOGIES INCEVP, Research, Dev. & Eng. · Dec 12, 2025
39
BM
Blumenstock Gerald MEVP, Research, Dev. & Eng.
ACLSAXCELIS TECHNOLOGIES INC
Open-market sale
SELL
$177K
1,161 sh
May 21, 2026
May 22, 2026
traded May 21, 2026
+1d
SEC FORM 4

Evidence

39
BM
Blumenstock Gerald MEVP, Research, Dev. & Eng.
ACLSAXCELIS TECHNOLOGIES INC
Open-market sale
SELL$165K
1,015 sh
May 14, 2026May 15, 2026
traded May 14, 2026
+1dSEC FORM 4

Evidence

31
BM
Blumenstock Gerald MEVP, Research, Dev. & Eng.
ACLSAXCELIS TECHNOLOGIES INC
Open-market sale
SELL$271K
3,034 sh
Dec 11, 2025Dec 12, 2025
traded Dec 11, 2025
+1dSEC FORM 4

Evidence