Quick Answer
Sionna Therapeutics, Inc. reported Shares Outstanding of 44.72 million shares for fiscal year 2025.
Sionna Therapeutics, Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 44.72M | +847.0% |
| 2024 | 4.72M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 44.46M | — | +0.8% |
| June 30, 2025 | 44.13M | — | +0.1% |
| March 31, 2025 | 44.09M | — | +833.6% |
| December 31, 2024 | 4.72M | — | — |
- Sionna Therapeutics, Inc. showed an increase of +847.0% in Shares Outstanding compared to the prior fiscal year.
- Over the 2024–2025 period, Sionna Therapeutics, Inc.’s shares outstanding has grown by 847.0% (from 4.72 million shares to 44.72 million shares).
- The most recent figure is from Sionna Therapeutics, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 2, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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