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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
Data sources
SEC FORM 48m ago
HOUSE PTR7m ago
SEC 13F7m ago
ROBINHOOD CHAIN7m ago
Public company

Sionna Therapeutics, Inc.

SIONCIK 0002036042

EDGAR filingsOpen in network
Price$3.28
1 year-90.6%
Disclosed transactions32
Buys / sells0 / 4
Max Insider Score33
Connections with evidence12

SION · disclosed activity on price

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
5
FJ
Fitzpatrick JenniferCLO and Head of Program Mgmt.
SIONSionna Therapeutics, Inc.
Disposition to issuer
D—
103.1K sh
Sep 17, 2026

Verified connections

  • In industryevidence
    Pharmaceuticals, devices & health servicesSEC SIC 2834 · Pharmaceutical Preparations · Nov 4, 2026
  • ← Insider ofevidence
    Ridloff ElenaCFO and CBO · Sep 18, 2026
  • ← Insider ofevidence
    Cloonan MichaelDirector, President & CEO · Sep 18, 2026
  • ← Insider ofevidence
    Ruddy Marcella K.Director · Jun 18, 2026
  • ← Insider ofevidence
Sep 18, 2026
traded Sep 17, 2026
+1d
SEC FORM 4

Evidence

17
FJ
Fitzpatrick JenniferCLO and Head of Program Mgmt.
SIONSionna Therapeutics, Inc.
Grant or award
A—
28.1K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

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

9
RE
Ridloff ElenaCFO and CBO
SIONSionna Therapeutics, Inc.
Disposition to issuer
D—
165.4K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

5
FJ
Fitzpatrick JenniferCLO and Head of Program Mgmt.
SIONSionna Therapeutics, Inc.
Grant or award
A—
103.1K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

21
MC
McKee CharlotteCMO and Head of R&D
SIONSionna Therapeutics, Inc.
Grant or award
A—
50.0K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

21
MC
McKee CharlotteCMO and Head of R&D
SIONSionna Therapeutics, Inc.
Grant or award
A—
50.0K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

9
MC
McKee CharlotteCMO and Head of R&D
SIONSionna Therapeutics, Inc.
Grant or award
A—
155.7K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

9
MC
McKee CharlotteCMO and Head of R&D
SIONSionna Therapeutics, Inc.
Disposition to issuer
D—
155.7K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

21
RE
Ridloff ElenaCFO and CBO
SIONSionna Therapeutics, Inc.
Grant or award
A—
47.3K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

21
RE
Ridloff ElenaCFO and CBO
SIONSionna Therapeutics, Inc.
Grant or award
A—
47.3K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

9
RE
Ridloff ElenaCFO and CBO
SIONSionna Therapeutics, Inc.
Grant or award
A—
165.4K 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

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

5
FJ
Fitzpatrick JenniferCLO and Head of Program Mgmt.
SIONSionna Therapeutics, Inc.
Grant or award
A—
28.1K sh
Sep 17, 2026Sep 18, 2026
traded Sep 17, 2026
+1dSEC FORM 4

Evidence

3
FJ
Fitzpatrick JenniferChief Legal Officer
SIONSionna Therapeutics, Inc.
Option exercise · 10b5-1 plan
M—
10.3K sh
Jul 6, 2026Jul 7, 2026
traded Jul 6, 2026
+1dSEC FORM 4

Evidence

19
FJ
Fitzpatrick JenniferChief Legal Officer
SIONSionna Therapeutics, Inc.
Open-market sale · 10b5-1 plan
SELL$447K
10.3K sh
Jul 6, 2026Jul 7, 2026
traded Jul 6, 2026
+1dSEC FORM 4

Evidence

0
FJ
Fitzpatrick JenniferChief Legal Officer
SIONSionna Therapeutics, Inc.
Option exercise · 10b5-1 plan
M$63K
10.3K sh
Jul 6, 2026Jul 7, 2026
traded Jul 6, 2026
+1dSEC FORM 4

Evidence

9
FE
Fleming Harold EdwardDirector
SIONSionna Therapeutics, Inc.
Grant or award
A—
17.3K sh
Jun 17, 2026Jun 18, 2026
traded Jun 17, 2026
+1dSEC FORM 4

Evidence

9
RK
Ruddy Marcella K.Director
SIONSionna Therapeutics, Inc.
Grant or award
A—
17.3K sh
Jun 17, 2026Jun 18, 2026
traded Jun 17, 2026
+1dSEC FORM 4

Evidence

9
VL
Viney Joanne L.Director
SIONSionna Therapeutics, Inc.
Grant or award
A—
17.3K sh
Jun 17, 2026Jun 18, 2026
traded Jun 17, 2026
+1dSEC FORM 4

Evidence

19
FJ
Fitzpatrick JenniferChief Legal Officer
SIONSionna Therapeutics, Inc.
Open-market sale · 10b5-1 plan
SELL$347K
10.3K sh
Mar 5, 2026Mar 6, 2026
traded Mar 5, 2026
+1dSEC FORM 4

Evidence

3
FJ
Fitzpatrick JenniferChief Legal Officer
SIONSionna Therapeutics, Inc.
Option exercise · 10b5-1 plan
M—
10.3K sh
Mar 5, 2026Mar 6, 2026
traded Mar 5, 2026
+1dSEC FORM 4

Evidence

0
FJ
Fitzpatrick JenniferChief Legal Officer
SIONSionna Therapeutics, Inc.
Option exercise · 10b5-1 plan
M$63K
10.3K sh
Mar 5, 2026Mar 6, 2026
traded Mar 5, 2026
+1dSEC FORM 4

Evidence

33
TA
Tpg Gp A, Llc10% Owner
SIONSionna Therapeutics, Inc.
Open-market sale
SELL$10.00M
250.0K sh
Jan 22, 2026Jan 26, 2026
traded Jan 22, 2026
+4dSEC FORM 4

Evidence

9
BS
Beer Caroline StarkChief Business Officer
SIONSionna Therapeutics, Inc.
Grant or award
A—
139.3K sh
Jan 2, 2026Jan 6, 2026
traded Jan 2, 2026
+4dSEC FORM 4

Evidence

5
FJ
Fitzpatrick JenniferChief Legal Officer
SIONSionna Therapeutics, Inc.
Grant or award
A—
103.1K sh
Jan 2, 2026Jan 6, 2026
traded Jan 2, 2026
+4dSEC FORM 4

Evidence

9
MC
McKee CharlotteChief Medical Officer
SIONSionna Therapeutics, Inc.
Grant or award
A—
155.7K sh
Jan 2, 2026Jan 6, 2026
traded Jan 2, 2026
+4dSEC FORM 4

Evidence

23
FJ
Fitzpatrick JenniferChief Legal Officer
SIONSionna Therapeutics, Inc.
Open-market sale · 10b5-1 plan
SELL$415K
10.3K sh
Dec 5, 2025Dec 9, 2025
traded Dec 5, 2025
+4dSEC FORM 4

Evidence

2
FJ
Fitzpatrick JenniferChief Legal Officer
SIONSionna Therapeutics, Inc.
Option exercise · 10b5-1 plan
M$63K
10.3K sh
Dec 5, 2025Dec 9, 2025
traded Dec 5, 2025
+4dSEC FORM 4

Evidence

7
FJ
Fitzpatrick JenniferChief Legal Officer
SIONSionna Therapeutics, Inc.
Option exercise · 10b5-1 plan
M—
10.3K sh
Dec 5, 2025Dec 9, 2025
traded Dec 5, 2025
+4dSEC FORM 4

Evidence

Viney Joanne L.
Director · Jun 18, 2026
  • ← Insider ofevidence
    Fleming Harold EdwardDirector · Jun 18, 2026
  • ← Insider ofevidence
    Tpg Gp A, Llc10% Owner · Jan 26, 2026
  • ← Insider ofevidence
    Coulter James G10% Owner · Jan 26, 2026
  • ← Insider ofevidence
    Winkelried Jon10% Owner · Jan 26, 2026
  • ← Insider ofevidence
    McKee CharlotteChief Medical Officer · Jan 6, 2026
  • ← Insider ofevidence
    Beer Caroline StarkChief Business Officer · Jan 6, 2026
  • ← Insider ofevidence
    Fitzpatrick JenniferChief Legal Officer · Dec 9, 2025