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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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Atossa Therapeutics, Inc. (Nasdaq: ATOS) has announced its participation in the Sidoti Small-Cap Virtual Conference, scheduled for March 22-23, 2023. Dr. Steven Quay, the Company’s President and CEO, along with Kyle Guse, General Counsel and CFO, will present on March 23 at 1:00 PM Eastern Time. Investors can register for the live webcast through the event's website. A recording will also be made available post-conference on Atossa's investor relations page. Atossa focuses on developing innovative medicines for unmet medical needs in oncology, particularly breast cancer.

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Atossa Therapeutics (Nasdaq: ATOS) has initiated the Phase 2 EVANGELINE study, dosing its first patient for a trial evaluating the efficacy of (Z)-endoxifen versus exemestane plus goserelin in treating ER+/HER2- breast cancer in premenopausal women. This randomized study aims to assess the endocrine sensitive disease rate after four weeks of treatment with approximately 175 participants across 25 sites in the U.S. The previous study showed (Z)-endoxifen reduced Ki-67 by 65.1%, indicating potential efficacy. Atossa is also exploring (Z)-endoxifen's application in reducing mammographic breast density, an important breast cancer risk factor.

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Atossa Therapeutics (Nasdaq: ATOS) announced the granting of a new patent (No. 11,572,334) by the USPTO for (Z)-endoxifen encapsulated in an enteric capsule, enhancing its intellectual property related to this compound. This patent positions Atossa as the sole provider of orally delivered (Z)-endoxifen with an enteric capsule in the U.S., aimed at optimizing drug delivery. The company is advancing Phase 2 trials, including the EVANGELINE study with approximately 175 participants and the Karisma-Endoxifen study with 240 participants, targeting unmet needs in breast cancer treatment. The new patent is expected to create long-term value for shareholders.

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Atossa Therapeutics (Nasdaq: ATOS) announced significant progress in 2022, focusing on its breast cancer program with the patented (Z)-endoxifen. Currently, Phase 2 studies are underway to prevent and treat breast cancer, particularly targeting ER+/HER2- patients. The FDA authorized the EVANGELINE study for neoadjuvant treatment, expecting to enroll 175 patients across 25 sites. The company reported a 65.1% reduction in Ki-67 levels from a prior study, suggesting improved outcomes. Atossa also invested $4.7 million in Dynamic Cell Therapies, enhancing its oncology portfolio. As of September 30, 2022, Atossa holds approximately $117 million in cash and equivalents, with no debt.

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Atossa Therapeutics, Inc. (Nasdaq: ATOS) has appointed Eric Van Zanten as Vice President of Investor and Public Relations. With over 25 years in corporate communications, particularly in biopharmaceuticals, Van Zanten will enhance the company's investor and public messaging. His previous roles include leadership positions at Faron Pharmaceuticals and Bristol-Myers Squibb. CEO Steven Quay expressed confidence in Van Zanten's ability to articulate Atossa's mission in oncology. Atossa focuses on innovative cancer treatments, specifically targeting breast cancer and lung injury from therapies.

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Atossa Therapeutics (Nasdaq: ATOS) reported its financial results for Q3 2022, showing no revenue but a notable increase in operating expenses of 59% year-over-year, totaling $8,205, driven mainly by a 134% rise in R&D expenses. The company received FDA authorization for a Phase 2 study of (Z)-endoxifen for premenopausal women with ER+/HER2- breast cancer and is pursuing new immuno-oncology opportunities. As of September 30, 2022, Atossa had approximately $117,477 in cash. The total operating expenses for the first nine months of 2022 were $19,553, a 25% increase compared to 2021.

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Atossa Therapeutics (Nasdaq: ATOS) announced its investment of $2 million in Dynamic Cell Therapies, acquiring a 19.99% stake. This move aligns with Atossa's strategy to explore CAR-T therapies in the immuno-oncology space, particularly for difficult-to-treat cancers. Previously, $3 million was invested in DCT, making a total of $5 million. The transaction is set to close in Q4 2022. DCT, based in Boston, is focused on developing controllable CAR-T therapies to enhance safety and efficacy in cancer treatments.

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Atossa Therapeutics, Inc. (Nasdaq: ATOS) announced the appointment of Dr. Richard Graydon as interim chief medical officer. Dr. Graydon, previously with Johnson & Johnson, brings extensive experience in CAR-T cell therapy and oncology drug development. He aims to enhance Atossa's clinical programs, including the Phase 2 oral Endoxifen program for breast cancer. Atossa focuses on innovative treatments for oncology, highlighting the need for effective cancer therapies.

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Atossa Therapeutics has announced the initiation of a Phase 2 neoadjuvant study for its proprietary drug, (Z)-endoxifen, in premenopausal women with early-stage ER+/HER2- breast cancer. The U.S. FDA has lifted the clinical hold, allowing this key trial to move forward, which will involve about 175 patients across 25 sites. The study aims to determine whether (Z)-endoxifen is non-inferior to the standard treatment of exemestane + goserelin. Atossa has also decided to discontinue its COVID-19 program to focus on this significant research.

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Atossa Therapeutics, Inc. (Nasdaq: ATOS) is set to participate in the 24th Annual H.C. Wainwright Global Investment Conference from September 12-14, 2022, at the Lotte New York Palace. Kyle Guse, General Counsel and CFO, will represent the company and is available for one-on-one meetings.

Atossa focuses on developing innovative therapies for unmet medical needs in oncology and infectious diseases, particularly in breast cancer and COVID-19.

For meeting requests and conference registration, visit here.

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FAQ

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

The current stock price of Atossa Therapeutics (ATOS) is $0.7802 as of November 21, 2025.

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

The market cap of Atossa Therapeutics (ATOS) is approximately 97.1M.
Atossa Therapeutics Inc

Nasdaq:ATOS

ATOS Rankings

ATOS Stock Data

97.14M
129.08M
0.07%
21.17%
2.77%
Biotechnology
Pharmaceutical Preparations
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United States
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