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Atossa Therapeutics Inc Stock Price, News & Analysis

ATOS Nasdaq

Welcome to our dedicated page for Atossa Therapeutics news (Ticker: ATOS), a resource for investors and traders seeking the latest updates and insights on Atossa Therapeutics stock.

Atossa Therapeutics Inc (NASDAQ: ATOS) is a clinical-stage biopharmaceutical company pioneering novel therapies for breast cancer and breast health conditions. This page provides investors and healthcare stakeholders with comprehensive access to official press releases, clinical trial developments, and regulatory updates directly from the company.

Track progress on key initiatives including (Z)-endoxifen clinical trials, innovative drug delivery systems like intraductal microcatheter technology, and strategic partnerships. Our curated news collection ensures timely updates on FDA communications, research milestones, and intellectual property developments relevant to oncology therapeutics.

Discover updates across three primary categories: clinical research advancements in estrogen receptor-targeted treatments, regulatory filings for breast cancer therapies, and scientific collaborations enhancing drug delivery platforms. Each update is sourced from verified company communications to maintain accuracy and compliance.

Bookmark this page for streamlined access to Atossa's latest developments in selective estrogen receptor modulation and precision medicine. Regularly updated to serve as your primary resource for understanding the company's progress in addressing unmet needs in oncology care.

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Rhea-AI Summary

Atossa Therapeutics (Nasdaq: ATOS) reported its financial results for the year ended December 31, 2022, highlighting significant clinical advancements. The company initiated its Phase 2 EVANGELINE study for neoadjuvant treatment in premenopausal women with ER+ breast cancer and continues enrollment in the Karisma-Endoxifen study. Notably, Atossa added a new arm to the ongoing I-SPY 2 trial, evaluating (Z)-endoxifen. Financially, the company reported an operating loss of $27.7 million, a 35% increase from 2021, driven mostly by rising R&D costs. Cash reserves stood at approximately $111 million, supporting ongoing clinical endeavors.

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Rhea-AI Summary

Atossa Therapeutics (Nasdaq: ATOS) announces its proprietary Selective Estrogen Receptor Modulator, (Z)-endoxifen, will be assessed in a new arm of the I-SPY 2 clinical trial targeting locally advanced breast cancer. This trial, involving approximately 20 patients, aims to evaluate treatment effectiveness prior to surgery. The study focuses on estrogen receptor-positive invasive breast cancer patients, who have high recurrence risks and require more effective treatments. Dr. Steven Quay highlighted the urgency of new alternatives for these patients. Atossa is also conducting two Phase 2 studies for (Z)-endoxifen with promising implications for breast cancer management.

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FAQ

What is the current stock price of Atossa Therapeutics (ATOS)?

The current stock price of Atossa Therapeutics (ATOS) is $0.7775 as of November 28, 2025.

What is the market cap of Atossa Therapeutics (ATOS)?

The market cap of Atossa Therapeutics (ATOS) is approximately 100.7M.
Atossa Therapeutics Inc

Nasdaq:ATOS

ATOS Rankings

ATOS Stock Data

100.73M
129.08M
0.07%
21.17%
2.77%
Biotechnology
Pharmaceutical Preparations
Link
United States
SEATTLE