Atossa Therapeutics, Inc. (ATOS)
NASDAQ: ATOS · Real-Time Price · USD
0.9322
+0.0168 (1.84%)
Oct 24, 2025, 4:00 PM EDT - Market closed
Company Description
Atossa Therapeutics, Inc. operates as a clinical-stage biopharmaceutical company that develops medicines in the areas of unmet medical need in oncology for women breast cancer and other conditions in the United States.
The company’s lead drug candidate is oral (Z)-endoxifen, an active metabolite of tamoxifen, which is in Phase II clinical trials to treat and prevent breast cancer.
It also develops immunotherapy/chimeric antigen receptor therapy programs. The company was formerly known as Atossa Genetics Inc. and changed its name to Atossa Therapeutics, Inc. in January 2020.
Atossa Therapeutics, Inc. was founded in 2008 and is based in Seattle, Washington.
Atossa Therapeutics, Inc.
| Country | United States |
| Founded | 2009 |
| IPO Date | Nov 8, 2012 |
| Industry | Biotechnology |
| Sector | Healthcare |
| Employees | 15 |
| CEO | Steven Quay |
Contact Details
Address: 107 Spring Street Seattle, Washington 98104 United States | |
| Phone | 206 588 0256 |
| Website | atossatherapeutics.com |
Stock Details
| Ticker Symbol | ATOS |
| Exchange | NASDAQ |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001488039 |
| CUSIP Number | 04962H506 |
| ISIN Number | US04962H5063 |
| Employer ID | 26-4753208 |
| SIC Code | 2834 |
Key Executives
| Name | Position |
|---|---|
| Dr. Steven C. Quay FCAP, M.D., Ph.D. | Chairman, Chief Executive Officer and President |
| Janet Rose Rea MSPH, RAC | SVice President of Research & Development |
| Delly Behen P.H.R. | Senior Vice President of Business Operations |
| Dr. Richard Graydon M.D., Ph.D. | Interim Chief Medical Officer |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Oct 14, 2025 | 8-K | Current Report |
| Sep 26, 2025 | 8-K | Current Report |
| Sep 8, 2025 | 8-K | Current Report |
| Aug 21, 2025 | 8-K | Current Report |
| Aug 12, 2025 | 10-Q | Quarterly Report |
| Aug 12, 2025 | 8-K | Current Report |
| Jul 29, 2025 | SCHEDULE 13G/A | Filing |
| Jul 16, 2025 | SCHEDULE 13G/A | Filing |
| May 13, 2025 | 10-Q | Quarterly Report |
| May 13, 2025 | 8-K | Current Report |