02/18/2025
7:56 PM | Sionna Therapeutics (Subject)
TPG GP A, LLC (Filed by)
| Form SCHEDULE 13D | |
02/13/2025
3:47 PM | ORBIMED ADVISORS LLC (Filed by)
Sionna Therapeutics (Subject)
| Form SCHEDULE 13D | |
02/12/2025
4:21 PM | COULTER JAMES G (Reporting)
Sionna Therapeutics (Issuer)
TPG GP A, LLC (Reporting)
WINKELRIED JON (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/07/2025
3:46 PM | Sionna Therapeutics (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
02/06/2025
11:15 PM | Sionna Therapeutics (Filer)
| Form EFFECT | |
02/06/2025
8:36 PM | COULTER JAMES G (Reporting)
Sionna Therapeutics (Issuer)
TPG GP A, LLC (Reporting)
WINKELRIED JON (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:18 PM | McKee Charlotte (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:18 PM | ORBIMED ADVISORS LLC (Reporting)
OrbiMed Capital GP VIII LLC (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:22 PM | Sionna Therapeutics (Issuer)
Stelzer Laurie (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:06 PM | Sionna Therapeutics (Issuer)
Thompson Peter A. (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:07 PM | Kolchinsky Peter (Reporting)
RA Capital Healthcare Fund LP (Reporting)
RA CAPITAL MANAGEMENT, L.P. (Reporting)
RA Capital Nexus Fund III, L.P. (Reporting)
RA Capital Nexus Fund, L.P. (Reporting)
Shah Rajeev M. (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
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02/06/2025
8:09 PM | Cloonan Michael (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:12 PM | Atlas Venture Associates Opportunity II, LLC (Reporting)
Atlas Venture Associates Opportunity II, LP (Reporting)
Atlas Venture Associates XI, L.P. (Reporting)
Atlas Venture Associates XI, LLC (Reporting)
Atlas Venture Fund XI, L.P. (Reporting)
Atlas Venture Opportunity Fund II, L.P. (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:15 PM | Ruddy Marcella K. (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:15 PM | Iancovici Lucian (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
7:58 PM | Booth Bruce (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:00 PM | Ridloff Elena (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:02 PM | Clancy Paul J (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:02 PM | Fleming Harold Edward (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:05 PM | Resnick Joshua (Reporting)
Sionna Therapeutics (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
8:05 PM | Sionna Therapeutics (Issuer)
Viney Joanne L. (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
02/06/2025
6:00 PM | Sionna Therapeutics (Filer)
| Form S-1MEF | |
02/06/2025
10:56 AM | Sionna Therapeutics (Filer)
| Form CERT | |
02/04/2025
3:07 PM | Sionna Therapeutics (Filer)
| Form 8-A12B | |
02/03/2025
5:06 AM | Sionna Therapeutics (Filer)
| Form S-1/A | |
01/17/2025
4:00 PM | Sionna Therapeutics (Filer)
| Form S-1
Registration statement under Securities Act of 1933 | |
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