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 InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
CM
Corporate insider

Cloonan Michael

Director, President & CEOCIK 0001704336

EDGAR filingsOpen in network
Disclosed transactions4
Buys / sells0 / 0
Max Insider Score13
Connections with evidence1

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
9
CM
Cloonan MichaelDirector, President & CEO
SIONSionna Therapeutics, Inc.
Disposition to issuer
D—
436.1K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    Sionna Therapeutics, Inc.Director, President & CEO · Sep 18, 2026
13
CM
Cloonan MichaelDirector, President & CEO
SIONSionna Therapeutics, Inc.
Grant or award
A
—
109.0K sh
Sep 17, 2026
Sep 18, 2026
traded Sep 17, 2026
+1d
SEC FORM 4

Evidence

9
CM
Cloonan MichaelDirector, President & CEO
SIONSionna Therapeutics, Inc.
Grant or award
A—
436.1K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

13
CM
Cloonan MichaelDirector, President & CEO
SIONSionna Therapeutics, Inc.
Grant or award
A—
109.0K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

Data sources
SEC FORM 421m ago
HOUSE PTR21m ago
SEC 13F21m ago
ROBINHOOD CHAIN21m ago