SEC Form 4 research
| Issuer | Sionna Therapeutics, Inc. |
|---|---|
| Tickers | SION |
| Reporting owners | 31 |
| Officers and directors | 7 |
| Last public filing | 2026-09-21 |
| Available | Trade date | Reporting owners | Code | Shares | Price | Reported value |
|---|---|---|---|---|---|---|
| 2026-09-21 | 2026-09-17 | Kolchinsky Peter, RA CAPITAL MANAGEMENT, L.P., RA Capital Healthcare Fund LP, RA Capital Nexus Fund III, L.P., RA Capital Nexus Fund, L.P., Shah Rajeev M. | S | 33,800 | $7.46 | Not reported |
| 2026-09-21 | 2026-09-17 | Kolchinsky Peter, RA CAPITAL MANAGEMENT, L.P., RA Capital Healthcare Fund LP, RA Capital Nexus Fund III, L.P., RA Capital Nexus Fund, L.P., Shah Rajeev M. | S | 3,415,011 | $6.32 | Not reported |
| 2026-09-18 | 2026-09-17 | Ridloff Elena | A | 47,268 | $0 | Not reported |
| 2026-09-18 | 2026-09-17 | Ridloff Elena | A | 47,269 | $0 | Not reported |
| 2026-09-18 | 2026-09-17 | Ridloff Elena | A | 165,440 | $0 | Not reported |
| 2026-09-18 | 2026-09-17 | McKee Charlotte | A | 50,000 | $0 | Not reported |
| 2026-09-18 | 2026-09-17 | McKee Charlotte | A | 50,000 | $0 | Not reported |
| 2026-09-18 | 2026-09-17 | McKee Charlotte | A | 155,700 | $0 | Not reported |
| 2026-09-18 | 2026-09-17 | Fitzpatrick Jennifer | A | 28,132 | $0 | Not reported |
| 2026-09-18 | 2026-09-17 | Fitzpatrick Jennifer | A | 28,133 | $0 | Not reported |
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