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Sionna Therapeutics, Inc. (SION)  
$0.00 0.00 (0.00%) as of 4:30 Tue 11/30


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  Company Roster

Total Insiders  : 10  
Total Direct Shares :
3,500,583
Total Indirect Shares :
18,081,180
 
% Held by Insiders:
7.94%
 
2 other people own 
 $0 Cloonan Michael
 $0 Atlas Venture Associates ...
 $0  
 
Filer's Name Relation Direct Date   Direct Shares Indirect Date Indirect Shares
   Cloonan Michael President & CEO, Director 2025-09-29 547,343 0
   Fitzpatrick Jennifer Chief Legal Officer 2025-09-04 0 2025-09-04 0
   Ridloff Elena CFO & Head of Corp. Dev. 2025-09-02 38,532 0
   Booth Bruce 2025-02-10 0 2025-10-01 794,075
   Thompson Peter A 2025-02-10 0 2025-02-10 3,704,959
   Atlas Venture Associates Opportunity Ii, Llc 2025-02-10 2,886,293 2025-02-10 807,727
   Orbimed Capital Gp Viii Llc Director 2025-02-10 0 2025-02-10 3,704,959
   Mckee Charlotte 2025-02-06 28,415 0
   Shah Rajeev M. Director, 10% Owner 0 2025-02-10 2,324,498
   Winkelried Jon 10% Owner 0 2025-06-27 6,744,962
10 Records found