INSIDER
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
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 ChainProofTradingTokenProAccountMethodology
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources
SEC FORM 45m ago
HOUSE PTR5m ago
SEC 13F5m ago
ROBINHOOD CHAIN4m ago
Corporate insider
MS

Marmurek Eric S

EVP, Chief Financial OfficerCIK 0001720721

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

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
13
MS
Marmurek Eric SEVP, Chief Financial Officer
RBBNRibbon Communications Inc.
Option exercise
M—
37.5K sh
Oct 15, 2026Oct 19, 2026
traded Oct 15, 2026
+4dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    Ribbon Communications Inc.EVP, Chief Financial Officer · Oct 19, 2026
9
MS
Marmurek Eric SEVP, Chief Financial Officer
RBBNRibbon Communications Inc.
Tax withholding
F
$22K
14.8K sh
Oct 15, 2026
Oct 19, 2026
traded Oct 15, 2026
+4d
SEC FORM 4

Evidence

9
MS
Marmurek Eric SEVP, Chief Financial Officer
RBBNRibbon Communications Inc.
Option exercise
M—
37.5K sh
Oct 15, 2026Oct 19, 2026
traded Oct 15, 2026
+4dSEC FORM 4

Evidence