Atossa Therapeutics (ATOS) Stock Chart & Stock Price History $0.80 -0.04 (-5.32%) Closing price 02/21/2025 04:00 PM EasternExtended Trading$0.81 +0.02 (+2.11%) As of 02/21/2025 07:36 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 InterestTrends Atossa Therapeutics Stock Price Performance 5 Day Performance-4.22%1 Month Performance-16.93%3 Month Performance-34.82%6 Month Performance-41.96%Year-To-Date Performance-15.77%1 Year Performance-22.04% 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 Saturday, February, 22, 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 Capitalization02/21/2025$0.84$0.80-5.33%$0.85$0.79565,861 shs$100.04 million02/20/2025$0.88$0.84-4.22%$0.88$0.84427,504 shs$105.67 million02/19/2025$0.84$0.88+4.67%$0.89$0.85626,773 shs$110.33 million02/18/2025$0.83$0.84+0.93%$0.86$0.82593,877 shs$105.41 million02/17/2025$0.83$0.83$0.85$0.80633,452 shs$104.44 million02/14/2025$0.82$0.83+1.87%$0.85$0.80633,452 shs$104.44 million02/13/2025$0.77$0.82+6.04%$0.82$0.77631,188 shs$102.53 million02/12/2025$0.78$0.77-1.08%$0.80$0.77662,970 shs$96.69 million02/11/2025$0.82$0.78-5.26%$0.82$0.77661,138 shs$97.75 million02/10/2025$0.77$0.82+7.15%$0.82$0.76572,873 shs$103.17 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. 02/07/2025$0.81$0.77-4.92%$0.82$0.76779,824 shs$96.29 million02/06/2025$0.85$0.81-5.26%$0.87$0.80754,180 shs$101.27 million02/05/2025$0.85$0.85+0.34%$0.89$0.83474,011 shs$106.89 million02/04/2025$0.85$0.85-0.05%$0.90$0.83579,717 shs$106.53 million02/03/2025$0.84$0.85+0.63%$0.87$0.79749,499 shs$106.58 million01/31/2025$0.87$0.84-2.70%$0.92$0.83721,103 shs$105.91 million01/30/2025$0.85$0.87+1.49%$0.90$0.721.65 million shs$108.86 million01/29/2025$0.87$0.85-2.54%$0.88$0.85554,720 shs$107.26 million01/28/2025$0.87$0.87+0.29%$0.89$0.85462,028 shs$110.05 million01/27/2025$0.93$0.87-6.34%$0.93$0.86822,142 shs$109.74 million01/24/2025$0.94$0.93-0.81%$0.97$0.91519,609 shs$117.16 million01/23/2025$0.96$0.94-1.92%$0.97$0.93723,182 shs$118.11 million01/22/2025$0.87$0.96+10.05%$0.98$0.871.04 million shs$120.43 million01/21/2025$0.83$0.87+5.35%$0.88$0.81786,150 shs$109.43 million Related Companies GLUE Stock Price Chart UPB Stock Price Chart ATXS Stock Price Chart AURA Stock Price Chart PHAT Stock Price Chart CMRX Stock Price Chart ORKA Stock Price Chart ATAI Stock Price Chart RVNC Stock Price Chart PRME 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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