2.28
price up icon7.55%   0.16
after-market After Hours: 2.28
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Atossa Therapeutics Inc stock is traded at $2.28, with a volume of 227.99K. It is up +7.55% in the last 24 hours and down -48.99% over the past month. Atossa Therapeutics Inc is a clinical-stage biopharmaceutical company engaged in the development of proprietary medicines for oncology, with a focus on breast cancer and related conditions. The company's lead product candidate, oral (Z)-endoxifen, is a selective estrogen receptor modulator and degrader (SERM/SERD) in Phase 2 clinical development, being evaluated for the treatment and prevention of breast cancer and other indications.
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Previous Close:
$2.12
Open:
$2.14
24h Volume:
227.99K
Relative Volume:
1.73
Market Cap:
$22.74M
Revenue:
-
Net Income/Loss:
$-34.77M
P/E Ratio:
-0.6889
EPS:
-3.3097
Net Cash Flow:
$-29.79M
1W Performance:
+15.15%
1M Performance:
-48.99%
6M Performance:
-76.98%
1Y Performance:
-82.10%
1-Day Range:
Value
$2.14
$2.41
1-Week Range:
Value
$1.9201
$2.41
52-Week Range:
Value
$1.70
$19.35

Atossa Therapeutics Inc Stock (ATOS) Company Profile

Name
Name
Atossa Therapeutics Inc
Name
Phone
206.588.0256
Name
Address
1448 NW MARKET STREET, SEATTLE, WA
Name
Employee
14
Name
Twitter
@atossainc
Name
Next Earnings Date
2026-08-11
Name
Latest SEC Filings
Name
ATOS's Discussions on Twitter

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

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
ATOS icon
ATOS
Atossa Therapeutics Inc
2.28 19.25M 0 -34.77M -29.79M -3.3097
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
529.59 126.07B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
649.81 65.37B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
916.80 57.70B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
313.04 40.19B 4.29B 577.22M 641.34M 4.2086
RVMD icon
RVMD
Revolution Medicines Inc
189.99 39.82B 742.00K -1.37B -1.07B -7.0731

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

pulisher
Jun 29, 2026

Atossa Therapeutics, Inc.(NasdaqCM:ATOS) added to Russell Microcap Value Benchmark Index - marketscreener.com

Jun 29, 2026
pulisher
Jun 29, 2026

Atossa Therapeutics, Inc.(NasdaqCM: ATOS) added to Russell 3000E Index - marketscreener.com

Jun 29, 2026
pulisher
Jun 29, 2026

Price to book forward of Atossa Therapeutics, Inc. – NASDAQ:ATOS - TradingView

Jun 29, 2026
pulisher
Jun 29, 2026

Atossa Therapeutics, Inc.(NasdaqCM: ATOS) added to Russell Microcap Index - marketscreener.com

Jun 29, 2026
pulisher
Jun 29, 2026

Atossa Therapeutics, Inc.(NasdaqCM: ATOS) added to Russell 3000E Growth Benchmark - marketscreener.com

Jun 29, 2026
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Jun 28, 2026

Atossa Therapeutics, Inc.(NasdaqCM: ATOS) added to Russell 3000E Value Benchmark - marketscreener.com

Jun 28, 2026
pulisher
Jun 26, 2026

ATOS Stock Drops After Hours On Earnings Miss — CEO Now Bets On New Uses For Its Experimental Cancer Drug - Stocktwits

Jun 26, 2026
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Jun 26, 2026

Atossa Therapeutics, Inc. adopts integrated biologic signals to advance breast cancer research - Traders Union

Jun 26, 2026
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Jun 26, 2026

Price to sales forward of Atossa Therapeutics, Inc. – MUN:YAG - TradingView

Jun 26, 2026
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Jun 26, 2026

Price to book forward of Atossa Therapeutics, Inc. – MUN:YAG - TradingView

Jun 26, 2026
pulisher
Jun 26, 2026

Price to earnings forward of Atossa Therapeutics, Inc. – MUN:YAG - TradingView

Jun 26, 2026
pulisher
Jun 26, 2026

Enterprise value to EBITDA forward of Atossa Therapeutics, Inc. – MUN:YAG - TradingView

Jun 26, 2026
pulisher
Jun 26, 2026

ATOS Should I Buy - Intellectia AI

Jun 26, 2026
pulisher
Jun 25, 2026

Atossa Therapeutics, Inc. (NASDAQ:ATOS): Are Analysts Optimistic? - simplywall.st

Jun 25, 2026
pulisher
Jun 22, 2026

Atossa Therapeutics Inc (ATOS) Technical Analysis: Support, Resistance, Indicators & Moving Averages - TradingKey

Jun 22, 2026
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Jun 19, 2026

Atossa Therapeutics raises $4.5M in registered direct offering By Investing.com - Investing.com Nigeria

Jun 19, 2026
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Jun 18, 2026

Atossa Therapeutics Inc (ATOS) Revenue Breakdown: Business Segments, Regional Revenue & Profit Contribution - TradingKey

Jun 18, 2026
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Jun 18, 2026

Atossa Therapeutics Inc (ATOS) Shareholder Structure: Major Shareholders & Institutional Holdings - TradingKey

Jun 18, 2026
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Jun 18, 2026

Atossa Therapeutics Inc (ATOS) Dividends & Stock Splits: Historical Payouts and Event Timeline - TradingKey

Jun 18, 2026
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Jun 17, 2026

Atossa Therapeutics Inc (ATOS) Valuation: PE, PB & Fair Value Analysis - TradingKey

Jun 17, 2026
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Jun 17, 2026

Atossa Therapeutics Inc (ATOS) Financial Health: Profitability & Balance Sheet Analysis - TradingKey

Jun 17, 2026
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Jun 17, 2026

Atossa Therapeutics Inc (ATOS) Earnings Forecast: Future EPS & Revenue Growth Estimates - TradingKey

Jun 17, 2026
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Jun 17, 2026

Atossa Therapeutics Inc (ATOS) Institutional Confidence - TradingKey

Jun 17, 2026
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Jun 17, 2026

Atossa Therapeutics Inc (ATOS) Risk Assessment: Volatility, Financial Risk & Investment Risk - TradingKey

Jun 17, 2026
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Jun 15, 2026

Atossa Therapeutics brings medical innovation to Hudson Institute strategic discussions - Traders Union

Jun 15, 2026
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Jun 13, 2026

Atossa Therapeutics (ATOS) Q1 2026 Earnings: Narrowing Losses with Positive EPS SurpriseRevenue Warning Signal - newsline.com

Jun 13, 2026
pulisher
Jun 13, 2026

Atossa Therapeutics closes $4.5M registered direct offering By Investing.com - Investing.com Australia

Jun 13, 2026
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Jun 12, 2026

Atossa Therapeutics closes $4.5M registered direct offering - Investing.com

Jun 12, 2026
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Jun 12, 2026

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

Jun 12, 2026
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Jun 12, 2026

Atossa Therapeutics Announces Up To $16.5 Million Registered Direct Offering - Pulse 2.0

Jun 12, 2026
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Jun 12, 2026

Atossa Therapeutics examines biosecurity and scientific innovation after COVID 19 lessons - Traders Union

Jun 12, 2026
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Jun 12, 2026

Atossa Therapeutics (NASDAQ: ATOS) sells 1.36M shares with warrants in $4.5M deal - Stock Titan

Jun 12, 2026
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Jun 11, 2026

Market Movers | Winners: XXII, PPCB, CCHH | Losers: BCPC, ATOS, BATL - Trefis

Jun 11, 2026
pulisher
Jun 11, 2026

Atossa Therapeutics, Inc. (ATOS) Latest Stock News & Headlines - Yahoo Finance

Jun 11, 2026
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Jun 11, 2026

Top Midday Decliners - Moomoo

Jun 11, 2026
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Jun 11, 2026

12 Health Care Stocks Moving In Thursday's Intraday Session - Benzinga

Jun 11, 2026
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Jun 11, 2026

Crude Oil Edges Higher; Driven Brands Posts Upbeat Earnings - Benzinga

Jun 11, 2026
pulisher
Jun 11, 2026

Dow Jumps Over 250 Points; US Initial Jobless Claims RiseAtossa Therapeutics (NASDAQ:ATOS), Big Tree C - Benzinga

Jun 11, 2026
pulisher
Jun 11, 2026

Atossa Therapeutics Launches $16.5 Million Registered Direct Offering - marketscreener.com

Jun 11, 2026
pulisher
Jun 11, 2026

Atossa Therapeutics stock tumbles on $4.5M stock offering - Investing.com UK

Jun 11, 2026
pulisher
Jun 11, 2026

Atossa Therapeutics Announces Registered Direct Offering and Warrants - TipRanks

Jun 11, 2026
pulisher
Jun 11, 2026

Atossa Therapeutics stock tumbles on $4.5M stock offering By Investing.com - Investing.com Nigeria

Jun 11, 2026
pulisher
Jun 11, 2026

Atossa Therapeutics raises $4.5M in registered direct offering - Investing.com

Jun 11, 2026
pulisher
Jun 11, 2026

12 Health Care Stocks Moving In Thursday's Pre-Market SessionAditxt (NASDAQ:ADTX), Atossa Therapeutics - Benzinga

Jun 11, 2026
pulisher
Jun 11, 2026

Atossa Therapeutics Prices Registered Direct Offering at $3.30, Netting About $4.1 Million - TradingView

Jun 11, 2026
pulisher
Jun 11, 2026

Atossa Therapeutics (ATOS) prices $3.30 registered direct stock and warrant sale - Stock Titan

Jun 11, 2026
pulisher
Jun 11, 2026

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

Jun 11, 2026
pulisher
Jun 10, 2026

Atossa Therapeutics highlights Endoxifen progress as potential Breast Cancer treatment - Proactive financial news

Jun 10, 2026
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Jun 08, 2026

Atossa Therapeutics (ATOS) Climbs 1.79% as Shares Approach Key Resistance at $4.78Wedge Breakout - newsline.com

Jun 08, 2026
pulisher
Jun 08, 2026

Lowering mammographic breast density could cut future cancer risk, ATOSSA THERAPEUTICS, INC. asserts - Traders Union

Jun 08, 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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$111.54
price down icon 0.05%
$56.92
price down icon 1.47%
$35.39
price up icon 0.74%
ONC ONC
$309.46
price up icon 3.97%
$81.80
price up icon 2.56%
$189.99
price up icon 0.40%
Cap:     |  Volume (24h):