Stocks Health care SION
NASDAQ · Health careSionna Therapeutics, Inc. (SION)
It posted a net loss of $97.4M. In fiscal 2025 capital spending exceeded operating cash flow by $66.7M. At June 30, 2026 it held $63.3M in cash. Its latest periodic report to the SEC is the quarterly report (10-Q) filed on August 6, 2026.
What Sionna Therapeutics, Inc. does
Sionna Therapeutics, Inc. is registered with the SEC under industry code SIC 2834 (Pharmaceutical Preparations). Its shares trade on NASDAQ under the ticker SION.
Revenue and profit by year
Key figures
| Fiscal year | Revenue | Net income | Diluted EPS | Free cash flow |
|---|---|---|---|---|
| 2025 | n/a | -$75.3M | -$1.88 | -$66.7M |
| 2025 | n/a | -$61.7M | -$15.99 | -$52.8M |
Latest SEC filings
What Sionna Therapeutics, Inc. has filed recently, newest first. Each links to the original document on SEC EDGAR.
- September 21, 2026Activist stake changed SCHEDULE 13D/A
- September 14, 2026
- August 10, 2026Other event 8-K
- August 6, 2026Quarterly report 10-Q · period to June 30, 2026
- August 6, 2026
- June 18, 2026
- May 15, 2026Passive stake changed SCHEDULE 13G/A
- May 12, 2026Passive stake changed SCHEDULE 13G/A
- May 12, 2026Quarterly report 10-Q · period to March 31, 2026
- May 12, 2026
Questions about SION
What does Sionna Therapeutics, Inc. do?
Sionna Therapeutics, Inc. is registered with the SEC under industry code SIC 2834 (Pharmaceutical Preparations). Its shares trade on NASDAQ under the ticker SION.
Is Sionna Therapeutics, Inc. profitable?
No. Over the twelve months to June 30, 2026 it reported a net loss of $97.4M.
When did Sionna Therapeutics, Inc. last report?
Its most recent periodic report is the quarterly report (10-Q) filed on August 6, 2026. It covers the period to June 30, 2026. Its newest filing of any kind is the activist stake changed from September 21, 2026.
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Follow SION: get an email when it filesWhere the numbers come from
Financial figures are the values Sionna Therapeutics, Inc. tagged in its own SEC filings (XBRL), taken from the latest filing for each period, so restatements replace older figures. Revenue, profit and cash flow are for full fiscal years unless marked as the last twelve months, which is the sum of the four most recent quarters. Where a company reports only the full year, the fourth quarter is the year minus the first three.
Prices are delayed end-of-day market data in the listing currency, and market cap moves with the price. P/E is shown only when earnings per share are positive. Nothing here is investment advice.