Atossa Therapeutics, Inc. (FRA:YAG)

Germany flag Germany · Delayed Price · Currency is EUR
2.280
-1.580 (-40.93%)
Last updated: Jun 12, 2026, 8:04 AM CET
Market Cap18.30M -78.8%
Revenue (ttm)n/a
Net Income-32.65M
EPS-3.79
Shares Out n/a
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volumen/a
Open2.280
Previous Close3.860
Day's Range2.280 - 2.280
52-Week Range2.280 - 16.230
Betan/a
Analystsn/a
Price Targetn/a
Earnings DateAug 13, 2026

About Atossa Therapeutics

Atossa Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops medicines in areas of significant unmet medical need in oncology in the United States. Its lead drug candidate is oral (Z)-endoxifen, a selective estrogen receptor modulator and selective estrogen receptor degrader currently in Phase 2 clinical development for the treatment and reduction of risk of breast cancer, as well as in other therapeutic areas. The company was formerly known as Atossa Genetics Inc. and changed its name to Atossa Therapeutics, Inc. in January ... [Read more]

Industry Biological Products, Except Diagnostic Substances
Founded 2008
Employees 16
Stock Exchange Frankfurt Stock Exchange
Ticker Symbol YAG

Financial Performance

Financial numbers in USD Financial Statements

News

Atossa Therapeutics Announces Closing of Registered Direct Offering of up to $16.5 Million in Gross Proceeds

$4.5 million upfront with up to an additional $12 million of potential aggregate gross proceeds upon exercise in full of warrants SEATTLE, June 12, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasd...

1 day ago - PRNewsWire

Atossa Therapeutics Announces Registered Direct Offering of up to $16.5 Million in Gross Proceeds

$4.5 million upfront with up to an additional $12 million of potential aggregate gross proceeds upon exercise in full of warrants SEATTLE, June 11, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasd...

2 days ago - PRNewsWire

Atossa Therapeutics Announces ASCO 2026 Abstracts Highlighting (Z)-Endoxifen Activity Across ESR1 Mutations and Ongoing EVANGELINE Phase 2 Trial

Preclinical Data Abstract Demonstrates Robust Estrogen Receptor (ER) Inhibition in ESR1-Mutant Breast Cancer Models at Clinically Relevant Concentrations Trial-in-Progress Abstract Details Ongoing Pha...

17 days ago - PRNewsWire

Atossa Therapeutics Announces Acceptance of Manuscript Highlighting Utrophin-Modulation Potential of (Z)-Endoxifen in Duchenne Muscular Dystrophy

Review article accepted for publication in Degenerative Neurological and Neuromuscular Disease and builds on Atossa's previously published Duchenne Muscular Dystrophy (DMD) research SEATTLE, May 20, 2...

24 days ago - PRNewsWire

Atossa Therapeutics Transcript: Status update

Adaptive platform trials like I-SPY are accelerating breast cancer drug development, focusing on early endpoints and individualized therapies. Endoxifen demonstrates strong efficacy and tolerability, with ongoing trials exploring its use in combination regimens. Regulatory engagement and personalized prevention strategies are driving faster, more patient-centered progress.

25 days ago - Transcripts

Atossa Therapeutics to Host Virtual KOL Event Featuring Dr. Laura Esserman to Discuss Development of (Z)-Endoxifen in ER-Positive Breast Cancer

Event to feature Dr. Laura Esserman, internationally recognized surgical oncologist, breast cancer expert, and founder and principal investigator of the I-SPY Trials SEATTLE, May 14, 2026 /PRNewswire/...

4 weeks ago - PRNewsWire

Atossa Therapeutics Reports First Quarter 2026 Financial Results and Provides a Corporate Update

SEATTLE, May 8, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) (Atossa or the Company), a clinical-stage biopharmaceutical company developing novel therapies in oncology and other areas...

5 weeks ago - PRNewsWire

Atossa Therapeutics Quarterly report: Q1 2026

Atossa Therapeutics has published its Q1 2026 quarterly earnings report on May 8, 2026.

5 weeks ago - Filings

Atossa Therapeutics Earnings release: Q1 2026

Atossa Therapeutics released its Q1 2026 earnings on May 8, 2026, summarizing the period's financial results.

5 weeks ago - Filings

Atossa Therapeutics Announces Publication of KARISMA Endoxifen Trial Demonstrating Significant Reduction in Mammographic Breast Density in Healthy Premenopausal Women

Peer-reviewed data support (Z)-endoxifen's (Endoxifen) potential as a differentiated breast cancer risk prevention candidate by marked reduction of mammographic breast density (MBD) Doses of both 1 mg...

5 weeks ago - PRNewsWire

Atossa Therapeutics Receives FDA Rare Pediatric Disease Designation for (Z)-Endoxifen for McCune-Albright Syndrome

Designation expands (Z)-endoxifen program into rare pediatric endocrine disorder and qualifies Atossa for a Priority Review Voucher award upon approval SEATTLE, May 4, 2026 /PRNewswire/ -- Atossa Ther...

5 weeks ago - PRNewsWire

Atossa Therapeutics Proxy statement: Proxy filing

Atossa Therapeutics filed a proxy statement on March 30, 2026, providing details for shareholder voting and corporate governance matters.

2 months ago - Filings

Atossa Therapeutics Reports Fourth Quarter and Year-End 2025 Financial Results and Provides a Corporate Update

SEATTLE, March 25, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) (Atossa or the Company), a clinical-stage biopharmaceutical company developing novel therapies in oncology and other ar...

2 months ago - PRNewsWire

Atossa Therapeutics Earnings release: Q4 2025

Atossa Therapeutics released its Q4 2025 earnings on March 25, 2026, summarizing the period's financial results.

2 months ago - Filings

Atossa Therapeutics Annual report: Q4 2025

Atossa Therapeutics has published its Q4 2025 annual report on March 25, 2026.

2 months ago - Filings

Atossa Therapeutics Proxy statement: Proxy filing

Atossa Therapeutics filed a proxy statement on March 20, 2026, providing details for shareholder voting and corporate governance matters.

3 months ago - Filings

Atossa Therapeutics Presents Clinical Trial Update Highlighting (Z)-Endoxifen Research at the 2026 MDA Clinical & Scientific Conference

Study Highlights Findings that (Z)-endoxifen Restores Muscle Performance and Lowers Damage Biomarkers in mdx5Cv Dystrophic Mice SEATTLE, March 12, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasda...

3 months ago - PRNewsWire

Atossa Therapeutics Issues Letter to Shareholders Highlighting 2025 Accomplishments and 2026 Outlook

SEATTLE, Feb. 11, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) ("Atossa" or the "Company"), a clinical-stage biopharmaceutical company developing novel therapies in oncology and other...

4 months ago - PRNewsWire

Atossa Therapeutics Slides: Corporate presentation

Atossa Therapeutics has posted slides in relation to its latest quarterly earnings report, which was published on February 11, 2026.

4 months ago - Filings

Atossa Therapeutics Maintains Strong Market Position for (Z)-Endoxifen for Duchenne Muscular Dystrophy as Congress Reauthorizes Priority Review Voucher Program

Atossa's Rare Pediatric Disease Designation for (Z)-endoxifen in neuromuscular diseases qualifies for a future PRV upon FDA approval SEATTLE, Feb. 5, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (Na...

4 months ago - PRNewsWire

Atossa Therapeutics' Founder and CEO Steven Quay, M.D., Ph.D. Named One of The Top 50 Healthcare Technology CEOs of 2025

Recognized for Visionary Leadership and Advancing Innovative Therapies in Oncology and Healthcare Technology SEATTLE, Jan. 21, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) ("Atossa" o...

5 months ago - PRNewsWire

Atossa Therapeutics Receives FDA Orphan Drug Designation for (Z)-Endoxifen for the Treatment of Duchenne Muscular Dystrophy

Designation further supports (Z)-Endoxifen program into rare pediatric neuromuscular disease along with previously received Rare Pediatric Disease Designation SEATTLE, Jan. 16, 2026 /PRNewswire/ -- At...

5 months ago - PRNewsWire

Atossa Therapeutics Receives FDA "Study May Proceed" Letter for (Z)-Endoxifen Investigational New Drug Application for Metastatic Breast Cancer

SEATTLE, Jan. 6, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS), a clinical-stage biopharmaceutical company developing innovative medicines for unmet medical needs, today announced that...

5 months ago - PRNewsWire

Atossa Therapeutics Proxy statement: Proxy Filing

Atossa Therapeutics filed a proxy statement on December 22, 2025, providing details for shareholder voting and corporate governance matters.

6 months ago - Filings