Atara Biotherapeutics (ATRA) Stock Chart & Stock Price History $7.11 -0.41 (-5.45%) Closing price 02/21/2025 04:00 PM EasternExtended Trading$7.42 +0.31 (+4.36%) As of 02/21/2025 07:08 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Atara Biotherapeutics Stock Price Performance 5 Day Performance-17.23%1 Month Performance+3.19%3 Month Performance-38.01%6 Month Performance-0.14%Year-To-Date Performance-46.58%1 Year Performance-63.87% Receive ATRA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atara Biotherapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address ATRA Stock Chart for Saturday, February, 22, 2025 ATRA Chart by TradingView Atara Biotherapeutics 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$7.52$7.11-5.45%$7.85$7.02102,277 shs$40.95 million02/20/2025$7.77$7.52-3.22%$7.82$7.3577,487 shs$43.32 million02/19/2025$8.19$7.77-5.16%$8.42$7.62132,571 shs$44.76 million02/18/2025$8.59$8.19-4.62%$9.05$8.0881,102 shs$47.19 million02/17/2025$8.59$8.59$8.98$8.2957,576 shs$49.48 million02/14/2025$8.72$8.59-1.49%$8.98$8.2957,576 shs$49.48 million02/13/2025$8.60$8.72+1.40%$8.85$8.3063,017 shs$50.23 million02/12/2025$8.42$8.60+2.14%$8.76$8.0542,613 shs$49.54 million02/11/2025$9.26$8.42-9.07%$9.16$8.31112,605 shs$48.50 million02/10/2025$10.06$9.26-7.95%$10.07$9.14103,639 shs$53.34 million Get the Latest News and Ratings for ATRA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atara Biotherapeutics and its competitors with MarketBeat's FREE daily newsletter. 02/07/2025$10.51$10.06-4.28%$11.06$9.69141,480 shs$57.95 million02/06/2025$9.34$10.51+12.53%$10.70$9.35179,482 shs$60.54 million02/05/2025$9.30$9.34+0.43%$10.00$9.30168,453 shs$53.80 million02/04/2025$8.52$9.30+9.15%$9.50$8.55180,402 shs$53.57 million02/03/2025$8.88$8.52-4.05%$8.86$8.02193,418 shs$49.08 million01/31/2025$8.49$8.88+4.59%$9.10$8.39201,891 shs$51.15 million01/30/2025$8.09$8.49+4.94%$8.64$7.85260,452 shs$48.90 million01/29/2025$8.36$8.09-3.23%$8.51$7.74180,628 shs$46.60 million01/28/2025$7.37$8.36+13.43%$8.50$7.50292,371 shs$48.15 million01/27/2025$8.22$7.37-10.34%$8.35$7.31267,177 shs$42.45 million01/24/2025$6.93$8.22+18.61%$8.40$6.92720,769 shs$47.35 million01/23/2025$6.89$6.93+0.58%$7.56$6.67480,181 shs$39.92 million01/22/2025$6.05$6.89+13.88%$6.94$5.98498,933 shs$39.69 million01/21/2025$6.57$6.05-7.91%$6.55$5.40886,535 shs$34.85 million Related Companies PRQR Stock Price Chart INBX Stock Price Chart CYBN Stock Price Chart IVVD Stock Price Chart NBTX Stock Price Chart DRUG Stock Price Chart PLRX Stock Price Chart GNLX Stock Price Chart SCPH Stock Price Chart LYEL Stock Price Chart Receive ATRA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atara Biotherapeutics and its competitors with MarketBeat's FREE daily newsletter. 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