Atossa Therapeutics (ATOS) Stock Chart & Stock Price History $0.70 0.00 (-0.34%) Closing price 04:00 PM EasternExtended Trading$0.70 +0.01 (+1.26%) As of 07:16 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Atossa Therapeutics Stock Price Performance 5 Day Performance-7.64%1 Month Performance-9.08%3 Month Performance-29.04%6 Month Performance-53.89%Year-To-Date Performance-26.26%1 Year Performance-61.32% 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 Friday, March, 28, 2025 ATOS Chart by TradingViewRemove Ads 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 Capitalization03/28/2025$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 million03/25/2025$0.75$0.72-3.49%$0.77$0.72421,413 shs$91.06 million03/24/2025$0.75$0.75-0.50%$0.77$0.72531,780 shs$94.35 million03/21/2025$0.72$0.75+5.35%$0.75$0.711.06 million shs$94.83 million03/20/2025$0.74$0.72-3.74%$0.74$0.71459,417 shs$90.01 million03/19/2025$0.72$0.74+2.54%$0.76$0.71366,012 shs$93.51 million03/18/2025$0.73$0.72-0.73%$0.77$0.71598,272 shs$91.19 million03/17/2025$0.72$0.73+1.46%$0.74$0.70357,410 shs$91.86 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. 03/14/2025$0.69$0.72+5.00%$0.73$0.69394,683 shs$90.54 million03/13/2025$0.72$0.69-4.37%$0.74$0.661.08 million shs$86.22 million03/12/2025$0.74$0.72-3.25%$0.75$0.70607,729 shs$90.16 million03/11/2025$0.74$0.74-0.03%$0.76$0.71465,276 shs$93.19 million03/10/2025$0.74$0.74+0.46%$0.75$0.71605,756 shs$93.22 million03/07/2025$0.75$0.74-1.72%$0.77$0.72274,134 shs$92.79 million03/06/2025$0.74$0.75+0.97%$0.77$0.73402,674 shs$94.41 million03/05/2025$0.73$0.74+1.49%$0.76$0.72232,405 shs$93.51 million03/04/2025$0.74$0.73-1.16%$0.75$0.71410,811 shs$92.14 million03/03/2025$0.77$0.74-3.23%$0.77$0.73716,882 shs$93.22 million02/28/2025$0.75$0.77+2.78%$0.77$0.73501,734 shs$96.33 million02/27/2025$0.77$0.75-3.13%$0.79$0.74423,336 shs$93.72 million Related Companies RAPP Stock Price Chart SLDB Stock Price Chart HRTX Stock Price Chart ALLO Stock Price Chart ATXS Stock Price Chart ARCT Stock Price Chart GLUE Stock Price Chart CYRX Stock Price Chart AURA Stock Price Chart ESPR 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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