ATOSSA THERAPEUTICS, INC.

Atossa Therapeutics, Inc.

Biotechnology • Healthcare • Seattle, WA, United States • ATOS (NCM)

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.

206 588 0256 107 Spring Street, Seattle, WA 98104, United States

Stock Performance (90 Days)

Data through Dec 29, 2025
Price updates on page refresh. Intraday quotes available during market hours (9:30 AM - 4:00 PM EST).

Layoff History

No layoff events recorded for this company.

Recent News

NioCorp and Atossa Therapeutics Interviews to Air on the RedChip Small Stocks, Big Money(TM) Show on Bloomberg TV - Norwich Bulletin
Norwich Bulletin • Dec 25
Seattle Inno - Diagrid emerges from stealth I Atossa troubles - The Business Journals
The Business Journals • Dec 29
Atossa Therapeutics Reports Third Quarter 2025 Financial Results and Provides a Corporate Update - Yahoo Finance
Yahoo Finance • Nov 12
Atossa Genetics (NASDAQ:ATOS) Share Price Passes Below 200 Day Moving Average - Should You Sell? - MarketBeat
MarketBeat • Dec 27
Atossa Therapeutics Selects PSI as Contract Research Organization for Pivotal Dose-Ranging Study of (Z)-Endoxifen in Metastatic Breast Cancer - PR Newswire
PR Newswire • Aug 20

Other Biotechnology Companies

View All →
CODEXIS, INC. logo Codexis, Inc.
1 layoff tracked
$144.5M market cap
VERTEX PHARMACEUTICALS INC / MA logo Vertex Pharmaceuticals Inc. / MA
$118.68B market cap
REGENERON PHARMACEUTICALS, INC. logo Regeneron Pharmaceuticals, Inc.
$82.72B market cap
ALNYLAM PHARMACEUTICALS, INC. logo Alnylam Pharmaceuticals, Inc.
$52.92B market cap
ARGENX SE logo Argenx SE
$52.62B market cap
INSMED Inc logo Insmed Inc.
$37.61B market cap

Frequently Asked Questions

Has ATOSSA THERAPEUTICS, INC. had layoffs?
No layoff events have been recorded for ATOSSA THERAPEUTICS, INC. in our database. This could mean the company has not conducted significant layoffs, or any layoffs have not been publicly reported.
How many employees does ATOSSA THERAPEUTICS, INC. have?
ATOSSA THERAPEUTICS, INC. has approximately 15 employees.
What industry is ATOSSA THERAPEUTICS, INC. in?
ATOSSA THERAPEUTICS, INC. operates in the Biotechnology industry, within the Healthcare sector.
Is ATOSSA THERAPEUTICS, INC. a publicly traded company?
Yes, ATOSSA THERAPEUTICS, INC. is publicly traded under the ticker symbol ATOS on the NCM. The company has a market capitalization of approximately $0.09 billion.
Where is ATOSSA THERAPEUTICS, INC. headquartered?
ATOSSA THERAPEUTICS, INC. is headquartered in Seattle, WA, United States at 107 Spring Street, Seattle, WA 98104, United States.

Disclaimer

Data aggregated from public sources including WARN notices, SEC filings, press releases, and market data. While we strive for accuracy, information is provided "as-is" for informational purposes only. Always verify critical information with official company sources.

This information does not constitute investment, financial, legal, or career advice. See our Terms of Service, Privacy Policy, and About page for more information.

Found an error? Report it here.