ATOS · NASDAQ
Atossa Therapeutics (ATOS) Stock Price & Fundamentals
Atossa Therapeutics (ATOS) closed at $710.48 on Oct 9, 2026, down 0.62% from the previous close of $714.88.
Share price, past year
1Y +1.07%Monthly closing prices
| Date | Close |
|---|---|
| Oct 9, 2026 | $710.48 |
| Sep 30, 2026 | $709.45 |
| Aug 31, 2026 | $761.99 |
| Jul 31, 2026 | $755.92 |
| Jun 30, 2026 | $728.37 |
| May 29, 2026 | $718.10 |
| Apr 30, 2026 | $716.30 |
| Mar 31, 2026 | $723.31 |
| Feb 27, 2026 | $663.97 |
| Jan 30, 2026 | $678.76 |
| Dec 31, 2025 | $705.18 |
| Nov 28, 2025 | $717.34 |
| Oct 31, 2025 | $718.91 |
Key statistics
- Market cap
- $7.09B
- P/E (TTM)
- —
- EPS (TTM)
- −$4.34
- Revenue (TTM)
- —
- Net income (TTM)
- −$37.71M
- Shares outstanding
- 10M
- Dividend yield
- —
- 52-week range
- $654.16 – $771.04
Atossa Therapeutics's market cap is $7.09B, based on a share price of $710.48 and 10M shares outstanding as of Jun 30, 2026.
Financials
Atossa Therapeutics reported revenue of $1.76K for fiscal 2015, down 95.62% from fiscal 2014.
Atossa Therapeutics reported a net loss of $34.77M in fiscal 2025.
Annual revenue
| Fiscal year | Revenue | Growth | Net income | Net margin | EPS (diluted) | Free cash flow |
|---|---|---|---|---|---|---|
| FY2015ended Dec 31, 2015 | $1.76K | −95.6% | — | — | — | — |
| FY2014ended Dec 31, 2014 | $40.14K | −93.7% | — | — | — | — |
| FY2013ended Dec 31, 2013 | $632.56K | +31.3% | — | — | — | — |
| FY2012ended Dec 31, 2012 | $481.84K | +32,022.8% | — | — | — | — |
| FY2011ended Dec 31, 2011 | $1.50K | — | — | — | — | — |
| Quarter | Revenue | Net income | EPS (diluted) |
|---|---|---|---|
| Q3 FY2016ended Sep 30, 2016 | $0.00 | — | — |
| Q2 FY2016ended Jun 30, 2016 | $0.00 | — | — |
| Q1 FY2016ended Mar 31, 2016 | $0.00 | — | — |
| Q4 FY2015ended Dec 31, 2015 | $1.76K | — | — |
| Q3 FY2015ended Sep 30, 2015 | $0.00 | — | — |
| Q2 FY2015ended Jun 30, 2015 | $0.00 | — | — |
| Q1 FY2015ended Mar 31, 2015 | $0.00 | — | — |
| Q4 FY2014ended Dec 31, 2014 | $2.71K | — | — |
Company profile
- Name
- Atossa Therapeutics, Inc.
- Ticker
- ATOS
- Exchange
- NASDAQ
- Industry (SEC SIC)
- Pharmaceutical Preparations
- Headquarters
- 1448 Nw Market Street, Suite 500, Seattle, WA 98107
- Incorporated in
- DE
- Fiscal year ends
- December
- SEC CIK
- 0001488039
Recent SEC filings
- Sep 29, 2026
- Sep 18, 2026
- Aug 7, 2026
- Aug 7, 2026
- Jun 11, 2026
- May 8, 2026
- May 8, 2026
- May 8, 2026
Frequently asked questions
What is Atossa Therapeutics's stock price?
Atossa Therapeutics (ATOS) closed at $710.48 on Oct 9, 2026, down 0.62% from the previous close of $714.88.
What is Atossa Therapeutics's market cap?
Atossa Therapeutics's market cap is $7.09B, based on a share price of $710.48 and 10M shares outstanding as of Jun 30, 2026.
How much revenue does Atossa Therapeutics make?
Atossa Therapeutics reported revenue of $1.76K for fiscal 2015, down 95.62% from fiscal 2014.
Does Atossa Therapeutics pay a dividend?
Atossa Therapeutics's recent filings report no dividends declared over the last four quarters.
Sources and methodology
Fundamentals come from Atossa Therapeutics, Inc.'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures