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Sionna Therapeutics, Inc.

All insiders

17 insiders

InsiderRole% of sharesShares heldLast trade
TPG GP A, LLC10% owner14.37%6,494,962Jan 22, 2026
ORBIMED ADVISORS LLCFormerDirector11.82%5,343,543May 27, 2026
Thompson Peter A.Director11.82%5,343,543Jun 17, 2026
Fitzpatrick JenniferFormerChief Legal Officer0.00%0Mar 5, 2026
Beer Caroline StarkChief Business OfficerJan 2, 2026
Cloonan MichaelPresident & CEO · DirectorJan 2, 2026
COULTER JAMES G10% owner
Kolchinsky PeterFormerDirector · 10% owner
McKee CharlotteFormerChief Medical OfficerJan 2, 2026
OrbiMed Capital GP VIII LLCFormerDirector
RA Capital Healthcare Fund LPFormerDirector · 10% owner
RA Capital Management, L.P.FormerDirector · 10% ownerJun 17, 2026
RA Capital Nexus Fund III, L.P.FormerDirector
RA Capital Nexus Fund, L.P.FormerDirector
Ridloff ElenaCFOJan 2, 2026
Shah Rajeev M.FormerDirector · 10% owner
WINKELRIED JON10% owner
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