SION
Sionna Therapeutics, Inc.Company Information
- Company Name
- Sionna Therapeutics, Inc.
- CIK
- CIK0002036042
- Category
- <br>Emerging growth company
- Ticker: Exchange
- SION: Nasdaq
- Fiscal Year End
- December 31
- Owner Organization
- 03 Life Sciences
- SIC
- 2834
- SIC Description
- Pharmaceutical Preparations
- Ticker
- SION
SEC filing data through
Insider Sentiment
- Last purchase
- 2025-06-27
- Last sale
- 2026-09-17
- Shares purchased (TTM)
- 0
- Shares sold (TTM)
- 5,628,323
Institutional Sentiment
- As of
- 2026-06-30
- Institutional shares owned
- 47,699,400
- Shares outstanding
- 45,148,971
- Ownership
- 105.65%
Earnings Market Reaction
- Filing date
- 2026-08-06
- Price on filing date
- —
- 1-month reaction
- -88.17%
- 3-month reaction
- …
Balance Sheet
Values in millions ($)| Line item | 2026-06-30 | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 | Subscriber-only column | Subscriber-only column | Subscriber-only column | Subscriber-only column | Subscriber-only column | Trend |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Assets Current | ||||||||||||
| Cash And Cash Equivalents At Carrying Value | 63 | 63 | 58 | 51 | 41 | 83 | ||||||
| Debt Securities Available For Sale Excluding Accrued Interest Current | 148 | 153 | 177 | 197 | 222 | 187 | ||||||
| Prepaid Expense And Other Assets Current | 5 | 5 | 6 | 4 | 4 | 4 | ||||||
| Assets Current | 216 | 221 | 241 | 252 | 267 | 274 | ||||||
| Property Plant And Equipment Net | 2 | 2 | 2 | 2 | 2 | 2 | ||||||
| Debt Securities Available For Sale Excluding Accrued Interest Noncurrent | 57 | 74 | 74 | 77 | 75 | 85 | ||||||
| Restricted Cash Noncurrent | 1 | 1 | 1 | 1 | 1 | 1 | ||||||
| Operating Lease Right Of Use Asset | 6 | 7 | 7 | 7 | 7 | 8 | ||||||
| Other Assets Noncurrent | 1 | 1 | 0 | 0 | 0 | 0 | ||||||
| Assets | 283 | 305 | 326 | 339 | 352 | 370 | ||||||
Liabilities Current | ||||||||||||
| Accounts Payable Current And Noncurrent | 1 | 2 | 1 | 1 | 1 | 5 | ||||||
| Accrued Liabilities Current | 9 | 6 | 10 | 7 | 5 | 3 | ||||||
| Operating Lease Liability Current | 1 | 1 | 1 | 1 | 1 | 1 | ||||||
| Other Liabilities Current | 0 | 0 | 0 | 0 | - | - | ||||||
| Liabilities Current | 11 | 10 | 12 | 10 | 8 | 10 | ||||||
| Operating Lease Liability Noncurrent | 7 | 7 | 7 | 8 | 8 | 8 | ||||||
| Liabilities | 17 | 17 | 19 | 18 | 16 | 18 | ||||||
| Temporary Equity Carrying Amount Attributable To Parent | - | - | 0 | 0 | 0 | 0 | ||||||
Equity | ||||||||||||
| Preferred Stock Value | 0 | 0 | 0 | 0 | 0 | 0 | ||||||
| Common Stock Value | 0 | 0 | 0 | 0 | 0 | 0 | ||||||
| Additional Paid In Capital | 579 | 571 | 563 | 557 | 552 | 549 | ||||||
| Accumulated Other Comprehensive Income Loss Net Of Tax | -0 | -0 | 1 | 0 | 0 | 0 | ||||||
| Retained Earnings Accumulated Deficit | -313 | -283 | -256 | -236 | -216 | -198 | ||||||
| Stockholders Equity | 266 | 288 | 307 | 322 | 336 | 352 | ||||||
| Liabilities And Stockholders Equity | 283 | 305 | 326 | 339 | 352 | 370 | ||||||
| Series Seed Convertible Preferred Stock | - | - | 0 | 0 | 0 | 0 | ||||||
| Series A Convertible Preferred Stock | - | - | 0 | 0 | 0 | 0 | ||||||
| Series B Convertible Preferred Stock | - | - | 0 | 0 | 0 | 0 | ||||||
| Series C Convertible Preferred Stock | - | - | 0 | 0 | 0 | 0 | ||||||
| Temporary Equity Shares Outstanding | - | - | 0 | - | - | - | ||||||
| Preferred Stock Par Or Stated Value Per Share | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||||||
| Preferred Stock Shares Authorized | 10 | 10 | 10 | 10 | 10 | 10 | ||||||
| Preferred Stock Shares Issued | 0 | 0 | 0 | 0 | 0 | 0 | ||||||
| Preferred Stock Shares Outstanding | 0 | 0 | 0 | 0 | 0 | 0 | ||||||
| Common Stock Par Or Stated Value Per Share | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||||||
| Common Stock Shares Authorized | 500 | 500 | 500 | 500 | 500 | 500 | ||||||
| Common Stock Shares Issued | 45 | 45 | 45 | 44 | 44 | 44 | ||||||
| Shares Outstanding | 45 | 45 | 45 | 44 | 44 | 44 | ||||||
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Recent filings
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Start 7-day free trialSionna Therapeutics, Inc. (SION) — SEC Financial Statements & Analysis
Sionna Therapeutics, Inc. (SION) is a pharmaceutical preparations company, incorporated in DE. Sionna Therapeutics, Inc. trades on Nasdaq as: SION. Sionna Therapeutics, Inc. (SION)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-06. Based on that filing, Sionna Therapeutics, Inc. carries a market cap of $1.99B, a P/E ratio of -20.39x, a P/B ratio of 7.47x, an enterprise value of $1.92B, and an EV/EBITDA multiple of -17.68x. On profitability, it posts a Return on Equity (ROE) of -32.34%, a Return on Assets (ROA) of -30.66%, and a Return on Invested Capital (ROIC) of -44.06%. Per share, it reports EPS of $-2.16, diluted EPS of $-2.16, free cash flow per share of $-1.69, and a dividend per share of $0.00. On the balance sheet, it maintains a current ratio of 20.05x, a quick ratio of 19.57x, working capital of $205.35M, a debt-to-equity ratio of 0.07x, a debt ratio of 0.06, free cash flow of $-76.21M (TTM), and net debt of $-63.32M. Figures sourced from SEC EDGAR.
- Market Cap
- $1.99B
- P/E TTM
- -20.39x
- EPS TTM
- $-2.16
- P/B TTM
- 7.47x
- ROE TTM
- -32.34%
- ROA TTM
- -30.66%
- Debt To Equity
- 0.07x
- Free Cash Flow TTM
- $-76.21M
Data as of 2026-06-30 · Source: SEC EDGAR
Frequently Asked Questions
What industry is Sionna Therapeutics, Inc. in?
Sionna Therapeutics, Inc. (SION) operates in the Pharmaceutical Preparations industry.
What exchange does SION trade on?
Sionna Therapeutics, Inc. (SION) trades on the Nasdaq.
Where is Sionna Therapeutics, Inc. incorporated?
Sionna Therapeutics, Inc. is incorporated in DE.
When was Sionna Therapeutics, Inc. (SION)'s most recent SEC filing?
Sionna Therapeutics, Inc. (SION)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-06.
What is SION's market cap?
Sionna Therapeutics, Inc. (SION) has a market capitalization of $1.99B as of 2026-06-30.
What is SION's EPS (earnings per share)?
Sionna Therapeutics, Inc. (SION)'s trailing twelve month EPS is $-2.16 as of 2026-06-30.
What is SION's ROE (return on equity)?
Sionna Therapeutics, Inc. (SION)'s trailing twelve month Return on Equity (ROE) is -32.34% as of 2026-06-30.
What is SION's ROA (return on assets)?
Sionna Therapeutics, Inc. (SION)'s trailing twelve month Return on Assets (ROA) is -30.66% as of 2026-06-30.
What is SION's ROIC (return on invested capital)?
Sionna Therapeutics, Inc. (SION)'s trailing twelve month Return on Invested Capital (ROIC) is -44.06% as of 2026-06-30.
What is SION's EV/EBITDA?
Sionna Therapeutics, Inc. (SION)'s trailing twelve month EV/EBITDA is -17.68x as of 2026-06-30.

