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Atossa Therapeutics Inc stock is traded at $4.64, with a volume of 64,128. It is down -5.39% in the last 24 hours and down -12.66% over the past month. Atossa Therapeutics Inc is a clinical stage biopharmaceutical company developing proprietary medicines in areas of unmet medical need in oncology. It focuses on the development of novel therapeutics and delivery methods for the treatment of breast cancer, other breast conditions and COVID-19. The company's drug under development for breast cancer and other breast conditions is Endoxifen. Its two COVID-19 drugs under development are AT-H201, to improve lung function of moderate to severely ill, hospitalized COVID-19 patients by inhalation; and AT-301, a nasal spray for COVID-19 patients for at-home use.
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Previous Close:
$4.92
Open:
$4.92
24h Volume:
64,128
Relative Volume:
0.48
Market Cap:
$39.96M
Revenue:
-
Net Income/Loss:
$-26.91M
P/E Ratio:
-21.09
EPS:
-0.22
Net Cash Flow:
$-19.57M
1W Performance:
+4.14%
1M Performance:
-12.66%
6M Performance:
-60.62%
1Y Performance:
-58.25%
1-Day Range:
Value
$4.52
$5.0099
1-Week Range:
Value
$4.23
$5.12
52-Week Range:
Value
$3.76
$19.35

Atossa Therapeutics Inc Stock (ATOS) Company Profile

Name
Name
Atossa Therapeutics Inc
Name
Phone
206.588.0256
Name
Address
10202 5TH AVENUE NE, SEATTLE, WA
Name
Employee
13
Name
Twitter
@atossainc
Name
Next Earnings Date
2025-03-25
Name
Latest SEC Filings
Name
ATOS's Discussions on Twitter

Compare ATOS vs VRTX, REGN, ARGX, ALNY, ONC

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
ATOS
Atossa Therapeutics Inc
4.64 42.37M 0 -26.91M -19.57M -0.22
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
460.31 121.40B 12.07B 3.95B 3.19B 15.33
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
763.61 83.25B 14.34B 4.50B 3.77B 41.56
Biotechnology icon
ARGX
Argen X Se Adr
722.13 46.39B 4.16B 1.29B 734.26M 19.59
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
320.36 43.41B 3.71B 313.75M 465.38M 2.2571
Biotechnology icon
ONC
Beone Medicines Ltd Adr
291.71 33.09B 5.36B 287.73M 924.18M 2.5229

Atossa Therapeutics Inc Stock (ATOS) Upgrades & Downgrades

Date Action Analyst Rating Change
Jan-26-18 Initiated Maxim Group Buy

Atossa Therapeutics Inc Stock (ATOS) Latest News

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Mar 03, 2026

Cash from financing activities of Atossa Therapeutics, Inc. – MUN:YAG - TradingView

Mar 03, 2026
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Mar 03, 2026

Free cash flow of Atossa Therapeutics, Inc. – MUN:YAG - TradingView

Mar 03, 2026
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Mar 03, 2026

Aug Fed Impact: Is Atossa Therapeutics Inc stock undervalued right nowQuarterly Profit Summary & Daily Growth Stock Investment Tips - baoquankhu1.vn

Mar 03, 2026
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Mar 03, 2026

Total liabilities & shareholders' equities of Atossa Therapeutics, Inc. – MUN:YAG - TradingView

Mar 03, 2026
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Mar 03, 2026

Atossa Therapeutics advances Z-endoxifen platform in oncology and DMD targeting molecular precision - Traders Union

Mar 03, 2026
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Feb 28, 2026

ATOS PE Ratio & Valuation, Is ATOS Overvalued - Intellectia AI

Feb 28, 2026
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Feb 26, 2026

Is Atossa Therapeutics Inc. stock influenced by commodity pricesJuly 2025 Recap & Daily Profit Focused Screening - mfd.ru

Feb 26, 2026
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Feb 26, 2026

ATOS Should I Buy - Intellectia AI

Feb 26, 2026
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Feb 24, 2026

ETF Watch: Is Chatham Lodging Trust a turnaround story2025 Market Trends & Weekly Chart Analysis and Guides - baoquankhu1.vn

Feb 24, 2026
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Feb 24, 2026

ATOS Financials: Income Statement, Balance Sheet & Cash Flow - Stock Titan

Feb 24, 2026
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Feb 23, 2026

Atossa Therapeutics outlines Z-Endoxifen strategy for breast cancer prevention - Traders Union

Feb 23, 2026
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Feb 21, 2026

Atossa Therapeutics Launches New $50 Million ATM Program - The Globe and Mail

Feb 21, 2026
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Feb 20, 2026

Atos (ATOS) cuts $100M Jefferies ATM to $0, effective Feb 20, 2026 - Stock Titan

Feb 20, 2026
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Feb 20, 2026

Atossa Therapeutics (NASDAQ: ATOS) launches $50M at-the-market stock offering - Stock Titan

Feb 20, 2026
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Feb 20, 2026

Atossa Genetics Inc. (NASDAQ:ATOS) Receives $95.00 Consensus PT from Analysts - Defense World

Feb 20, 2026
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Feb 18, 2026

Atossa Therapeutics Regains Nasdaq Compliance, Avoids Delisting Risk - The Globe and Mail

Feb 18, 2026
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Feb 18, 2026

Net debt of Atossa Therapeutics, Inc. – MUN:YAG - TradingView

Feb 18, 2026
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Feb 17, 2026

Patterns Watch: What is Atossa Therapeutics Incs TAM Total Addressable Market2025 Breakouts & Breakdowns & High Accuracy Trade Signal Alerts - baoquankhu1.vn

Feb 17, 2026
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Feb 17, 2026

Atossa Therapeutics, Inc. Balance Sheet – MUN:YAG - TradingView

Feb 17, 2026
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Feb 17, 2026

Atossa Therapeutics Disclosed Failure to Satisfy a Continued Listing Rule or Standard - TradingView

Feb 17, 2026
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Feb 17, 2026

Atossa Therapeutics to Participate in UCSF women health event - Traders Union

Feb 17, 2026
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Feb 17, 2026

Basic earnings per share (basic EPS) of Atossa Therapeutics, Inc. – MUN:YAG - TradingView

Feb 17, 2026
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Feb 16, 2026

Atossa Therapeutics: Key Developments and Upcoming Catalysts - AD HOC NEWS

Feb 16, 2026
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Feb 16, 2026

Atossa Genetics Inc. (NASDAQ:ATOS) Short Interest Up 29.7% in January - Defense World

Feb 16, 2026
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Feb 15, 2026

Is Atossa Therapeutics Inc. likely to announce a buybackJuly 2025 Rallies & Weekly Breakout Watchlists - mfd.ru

Feb 15, 2026
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Feb 13, 2026

Is Atossa Therapeutics Inc. a speculative investmentWeekly Market Report & Free Technical Pattern Based Buy Signals - mfd.ru

Feb 13, 2026
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Feb 12, 2026

Jobs Data: Is Atossa Therapeutics Incs growth already priced inJuly 2025 Price Swings & Stepwise Swing Trade Plans - baoquankhu1.vn

Feb 12, 2026
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Feb 11, 2026

Atossa Therapeutics Issues Letter to Shareholders Highlighting 2025 Accomplishments and 2026 Outlook - The Malaysian Reserve

Feb 11, 2026
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Feb 11, 2026

Atossa Therapeutics issues letter to shareholders highlighting 2025 accomplishments and 2026 outlook - marketscreener.com

Feb 11, 2026
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Feb 11, 2026

Atossa Therapeutics Issues 2026 Outlook and Strategic Update - TipRanks

Feb 11, 2026
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Feb 11, 2026

Atossa Therapeutics Issues Letter To Shareholders Highlighting 2025 Accomplishments And 2026 Outlook - TradingView

Feb 11, 2026
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Feb 11, 2026

Atossa Therapeutics Issues 2026 Shareholder Letter Highlighting Key Developments - TradingView

Feb 11, 2026
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Feb 11, 2026

Can Atossa Therapeutics Inc. be recession proofJuly 2025 Momentum & Community Consensus Trade Signals - mfd.ru

Feb 11, 2026
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Feb 10, 2026

Atossa Therapeutics launches research program for oral therapy in DMD - Traders Union

Feb 10, 2026
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Feb 09, 2026

We Think Atossa Therapeutics (NASDAQ:ATOS) Needs To Drive Business Growth Carefully - Yahoo Finance

Feb 09, 2026
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Feb 09, 2026

Market Outlook: Is Atossa Therapeutics Inc part of any ETFWeekly Trading Summary & Weekly Momentum Picks - baoquankhu1.vn

Feb 09, 2026
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Feb 07, 2026

Cash from financing activities of Atossa Therapeutics, Inc. – GETTEX:YAG - TradingView

Feb 07, 2026
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Feb 07, 2026

Cost of goods sold of Atossa Therapeutics, Inc. – GETTEX:YAG - TradingView

Feb 07, 2026
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Feb 05, 2026

Mammoth Energy sets March 6 call to review full-year 2025 results - Stock Titan

Feb 05, 2026
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Feb 05, 2026

Atossa Therapeutics Maintains Strong Market Position for (Z)-End - GuruFocus

Feb 05, 2026
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Feb 05, 2026

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

Feb 05, 2026
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Feb 04, 2026

ATOS stock tumbles 32% — here’s what retail investors think of the reverse stock split - MSN

Feb 04, 2026
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Feb 03, 2026

Atossa Genetics (NASDAQ:ATOS) Sees Large Volume IncreaseWhat's Next? - MarketBeat

Feb 03, 2026
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Feb 03, 2026

Atossa Therapeutics Inc Share Price USD0.18 - Hargreaves Lansdown

Feb 03, 2026
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Feb 02, 2026

ATOS Stock Tumbles 32% — Here’s What Retail Investors Think Of The Reverse Stock Split - Asianet Newsable

Feb 02, 2026
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Feb 02, 2026

Atossa Genetics (NASDAQ:ATOS) Sets New 1-Year LowWhat's Next? - MarketBeat

Feb 02, 2026
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Feb 02, 2026

Atossa Therapeutics (ATOS) enters reverse-split Monday as Nasdaq compliance clock tightens - TechStock²

Feb 02, 2026
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Jan 31, 2026

Atossa Genetics Inc. (NASDAQ:ATOS) Short Interest Up 56.4% in January - MarketBeat

Jan 31, 2026
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Jan 30, 2026

Aug PreEarnings: How volatile is SKYQ stockWeekly Market Summary & Weekly Market Pulse Updates - baoquankhu1.vn

Jan 30, 2026
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Jan 29, 2026

Atossa Genetics (NASDAQ:ATOS) Shares Set to Reverse Split on Monday, February 2nd - MarketBeat

Jan 29, 2026
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Jan 28, 2026

Can Atossa Therapeutics Inc. lead its sector in growthGap Up & Verified Swing Trading Watchlist - mfd.ru

Jan 28, 2026

Atossa Therapeutics Inc Stock (ATOS) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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Atossa Therapeutics Inc Stock (ATOS) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
Remmel H. Lawrence
Director
Mar 26 '25
Buy
0.70
10,000
7,000
10,257
$45.53
price down icon 4.07%
$53.28
price down icon 7.69%
$29.74
price up icon 0.71%
$103.05
price down icon 0.96%
$143.26
price down icon 4.74%
biotechnology ONC
$290.72
price down icon 2.57%
Cap:     |  Volume (24h):