SION - CIK 0002036042
Sionna Therapeutics, Inc. has filed 200 documents with the SEC between 2024 and 2026. The most frequent type is insider sale notice (65 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| SCHEDULE 13D | - | 2025-02-18 | - |
| SCHEDULE 13G | - | 2025-02-14 | - |
| SCHEDULE 13D | - | 2025-02-13 | - |
| Insider trade | 4 | 2025-02-12 | 2025-02-10 |
| Insider trade | 4 | 2025-02-10 | 2025-02-10 |
| Major company event | 8-K | 2025-02-10 | 2025-02-06 |
| Insider trade | 4 | 2025-02-10 | 2025-02-06 |
| Insider trade | 4 | 2025-02-10 | 2025-02-06 |
| Insider trade | 4 | 2025-02-10 | 2025-02-06 |
| Insider trade | 4 | 2025-02-10 | 2025-02-06 |
| Insider trade | 4 | 2025-02-10 | 2025-02-10 |
| Insider trade | 4 | 2025-02-10 | 2025-02-10 |
| Insider trade | 4 | 2025-02-10 | 2025-02-10 |
| Insider trade | 4 | 2025-02-10 | 2025-02-06 |
| Insider trade | 4 | 2025-02-10 | 2025-02-10 |
| Employee stock plan | S-8 | 2025-02-07 | - |
| 424B4 | - | 2025-02-07 | - |
| SEC STAFF LETTER | - | 2025-02-06 | - |
| EFFECT | - | 2025-02-06 | - |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| Exchange certification | CERT | 2025-02-06 | - |
| S-1MEF | - | 2025-02-06 | - |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| New insider ownership | 3 | 2025-02-06 | 2025-02-06 |
| 8-A12B | - | 2025-02-04 | - |
| Company correspondence | CORRESP | 2025-02-04 | - |
| Company correspondence | CORRESP | 2025-02-04 | - |
| S-1/A | - | 2025-02-03 | - |
| Company correspondence | CORRESP | 2025-01-24 | - |
| Company correspondence | CORRESP | 2025-01-17 | - |
| IPO registration | S-1 | 2025-01-17 | - |
| SEC correspondence | UPLOAD | 2024-12-10 | - |
| DRSLTR | - | 2024-11-26 | - |
| DRS/A | - | 2024-11-26 | - |
| SEC STAFF LETTER | - | 2024-10-10 | - |
| SEC correspondence | UPLOAD | 2024-10-10 | - |
| DRS | - | 2024-09-12 | - |