Atossa Therapeutics (ATOS) Stock Chart & Stock Price History $0.76 +0.02 (+3.22%) Closing price 04/25/2025 04:00 PM EasternExtended Trading$0.76 +0.00 (+0.11%) As of 04/25/2025 07:46 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Atossa Therapeutics Stock Price Performance 5 Day Performance+13.99%1 Month Performance+8.25%3 Month Performance-13.31%6 Month Performance-46.75%Year-To-Date Performance-19.90%1 Year Performance-50.58% Receive ATOS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atossa Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address ATOS Stock Chart for Sunday, April, 27, 2025 ATOS Chart by TradingView Atossa Therapeutics Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/25/2025$0.73$0.76+3.22%$0.77$0.73371,547 shs$97.68 million04/24/2025$0.74$0.73-0.73%$0.76$0.71609,428 shs$94.63 million04/23/2025$0.66$0.74+11.25%$0.76$0.681.30 million shs$95.33 million04/22/2025$0.64$0.66+4.21%$0.68$0.64584,412 shs$85.69 million04/21/2025$0.62$0.64+2.17%$0.66$0.61468,139 shs$82.23 million04/18/2025$0.62$0.62$0.63$0.59415,144 shs$80.49 million04/17/2025$0.61$0.62+2.99%$0.63$0.59415,144 shs$80.49 million04/16/2025$0.62$0.61-2.94%$0.64$0.60599,942 shs$78.15 million04/15/2025$0.63$0.62-1.06%$0.65$0.61714,258 shs$80.51 million04/14/2025$0.65$0.63-2.49%$0.67$0.62523,587 shs$81.38 million Get the Latest News and Ratings for ATOS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atossa Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 04/11/2025$0.59$0.65+9.56%$0.65$0.59629,677 shs$83.46 million04/10/2025$0.62$0.59-4.90%$0.64$0.57593,791 shs$76.17 million04/09/2025$0.59$0.62+4.91%$0.64$0.56989,933 shs$80.10 million04/09/2025$0.59$0.62+4.91%$0.64$0.56989,933 shs$80.10 million04/08/2025$0.65$0.59-8.74%$0.68$0.58892,483 shs$76.35 million04/08/2025$0.65$0.59-8.74%$0.68$0.58892,483 shs$76.35 million04/07/2025$0.60$0.65+7.75%$0.66$0.551.04 million shs$83.66 million04/04/2025$0.64$0.60-6.44%$0.64$0.601.50 million shs$77.64 million04/03/2025$0.69$0.64-6.56%$0.69$0.63836,048 shs$82.99 million04/02/2025$0.65$0.69+5.62%$0.70$0.65530,557 shs$88.82 million04/01/2025$0.67$0.65-3.25%$0.70$0.65504,112 shs$84.09 million03/31/2025$0.70$0.67-3.35%$0.71$0.67709,339 shs$86.92 million03/28/2025$0.70$0.70-0.34%$0.70$0.68434,447 shs$89.93 million03/27/2025$0.70$0.70+0.33%$0.73$0.69427,654 shs$87.89 million03/26/2025$0.72$0.70-3.80%$0.73$0.69575,939 shs$87.60 million Related Companies TECX Stock Price Chart PHAT Stock Price Chart RGNX Stock Price Chart ALLO Stock Price Chart BNTC Stock Price Chart TKNO Stock Price Chart ORKA Stock Price Chart TRDA Stock Price Chart HRTX Stock Price Chart MREO Stock Price Chart Receive ATOS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atossa Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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