COSCIENS Biopharma (CSCI) Stock Chart & Stock Price History $3.59 +0.11 (+3.13%) Closing price 05/21/2025 03:53 PM EasternExtended Trading$3.17 -0.42 (-11.65%) As of 05/21/2025 04:08 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 AnalysisChartCompetitorsEarningsHeadlinesSEC FilingsTrendsBuy This Stock COSCIENS Biopharma Stock Price Performance The COSCIENS Biopharma (CSCI) stock chart highlights key performance trends across multiple timeframes. Since the beginning of the year, the stock increased 29.57%. In the past month, the stock has increased 16.34%, reflecting recent market activity. As of the latest close, COSCIENS Biopharma traded at $3.59 with a market cap of $11.30 million and volume of 2,585 shares. 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Email Address 5 Day Performance-0.31%1 Month Performance+16.34%3 Month Performance+29.80%Year-To-Date Performance+29.57% CSCI Stock Chart for Thursday, May, 22, 2025 CSCI Chart by TradingView COSCIENS Biopharma Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/21/2025$3.60$3.59-0.17%$3.55$3.452,585 shs$11.30 million05/20/2025$3.48$3.60+3.33%$3.55$3.252,211 shs$11.31 million05/19/2025$3.60$3.48-3.36%$3.60$3.332,961 shs$10.95 million05/16/2025$3.34$3.60+7.78%$3.60$3.332,961 shs$11.33 million05/15/2025$3.42$3.34-2.34%$3.50$3.155,697 shs$10.51 million05/14/2025$3.50$3.42-2.29%$3.60$3.298,945 shs$10.76 million05/13/2025$3.32$3.50+5.45%$3.50$3.273,926 shs$11.01 million05/12/2025$3.55$3.32-6.51%$3.61$3.178,930 shs$10.44 million05/09/2025$3.38$3.55+5.03%$3.60$3.203,375 shs$11.17 million05/08/2025$3.54$3.38-4.52%$3.74$3.215,481 shs$10.63 million Get the Latest News and Ratings for CSCI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for COSCIENS Biopharma and its competitors with MarketBeat's FREE daily newsletter. 05/07/2025$3.65$3.54-2.91%$3.50$3.50636 shs$11.14 million05/06/2025$3.70$3.65-1.46%$3.78$3.781,480 shs$11.47 million05/05/2025$3.66$3.70+1.09%$3.80$3.319,716 shs$11.64 million05/02/2025$3.75$3.66-2.40%$3.78$3.632,404 shs$11.51 million05/01/2025$3.45$3.75+8.70%$3.75$3.502,611 shs$11.80 million04/30/2025$3.55$3.45-2.82%$3.56$3.332,807 shs$10.84 million04/29/2025$3.24$3.55+9.74%$3.56$3.129,633 shs$11.15 million04/28/2025$3.22$3.24+0.47%$3.16$3.141,013 shs$10.16 million04/25/2025$3.15$3.22+2.22%$3.22$3.202,509 shs$10.12 million04/24/2025$3.11$3.15+1.29%$3.15$3.151,080 shs$9.90 million04/23/2025$3.09$3.11+0.81%$3.15$3.108,839 shs$9.77 million04/22/2025$3.05$3.09+1.15%$3.09$2.843,608 shs$9.69 million04/21/2025$2.94$3.05+3.78%$3.06$2.921,977 shs$9.58 million Related Companies FBRX Stock Chart PLUR Stock Chart RNTX Stock Chart ATHE Stock Chart RNXT Stock Chart ATRA Stock Chart PRLD Stock Chart XLO Stock Chart SCYX Stock Chart ACRV Stock Chart Receive CSCI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for COSCIENS Biopharma and its competitors with MarketBeat's FREE daily newsletter. 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