Atara Biotherapeutics (ATRA) Stock Chart & Stock Price History $7.11 +0.21 (+3.04%) Closing price 05/22/2025 04:00 PM EasternExtended Trading$7.15 +0.04 (+0.55%) As of 04:34 AM 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 InterestSustainabilityTrendsBuy This Stock Atara Biotherapeutics Stock Price Performance The Atara Biotherapeutics (ATRA) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 56.25%, with a year-to-date return of -46.58%. In the past month, the stock has increased 3.04%, reflecting recent market activity. As of the latest close, Atara Biotherapeutics traded at $7.11 with a market cap of $42.38 million and volume of 81,506 shares. Five years ago, the stock traded at a split-adjusted price of $370.25, representing a 98.08% decrease over that period. At the time, it had a market cap of $841.25 million and a volume of 310,471 shares. 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 5 Day Performance+3.95%1 Month Performance+3.04%3 Month Performance0.00%Year-To-Date Performance-46.58%1 Year Performance-56.25%5 Year Performance-98.08% ATRA Stock Chart for Friday, May, 23, 2025 ATRA Chart by TradingView Atara Biotherapeutics 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 Capitalization05/22/2025$6.90$7.11+3.04%$7.33$6.8081,506 shs$42.38 million05/21/2025$7.00$6.90-1.43%$7.32$6.8267,446 shs$41.13 million05/20/2025$6.73$7.00+4.01%$7.20$6.6275,613 shs$41.73 million05/19/2025$6.84$6.73-1.61%$7.07$6.50132,351 shs$40.12 million05/16/2025$7.61$6.84-10.12%$7.50$6.76114,071 shs$40.77 million05/15/2025$6.61$7.61+15.13%$7.99$7.01191,058 shs$45.36 million05/14/2025$6.68$6.61-1.05%$6.72$6.5130,203 shs$39.40 million05/13/2025$6.47$6.68+3.25%$6.94$6.4594,181 shs$39.82 million05/12/2025$7.27$6.47-11.00%$7.76$6.39103,529 shs$38.57 million05/09/2025$7.42$7.27-2.02%$7.80$7.2726,417 shs$43.34 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. 05/08/2025$7.26$7.42+2.20%$7.62$6.9055,246 shs$44.23 million05/07/2025$7.67$7.26-5.35%$7.64$7.1938,080 shs$43.28 million05/06/2025$7.25$7.67+5.79%$8.65$7.43138,109 shs$45.72 million05/05/2025$7.82$7.25-7.29%$7.72$7.2537,665 shs$43.22 million05/02/2025$7.56$7.82+3.44%$8.30$7.6460,731 shs$46.62 million05/01/2025$7.99$7.56-5.38%$8.03$7.5516,309 shs$44.29 million04/30/2025$7.51$7.99+6.39%$8.01$7.1940,739 shs$46.81 million04/29/2025$7.42$7.51+1.21%$7.60$7.1020,729 shs$44.00 million04/28/2025$7.32$7.42+1.37%$7.50$7.1330,550 shs$43.47 million04/25/2025$7.60$7.32-3.68%$7.67$7.1068,941 shs$42.89 million04/24/2025$6.90$7.60+10.14%$7.76$6.9456,687 shs$44.53 million04/23/2025$6.74$6.90+2.37%$7.14$6.7245,398 shs$40.43 million04/22/2025$6.14$6.74+9.77%$6.89$6.1649,902 shs$39.49 million Related Companies FDMT Stock Price Chart ENGN Stock Price Chart PBYI Stock Price Chart KRRO Stock Price Chart LFVN Stock Price Chart SLS Stock Price Chart FTLF Stock Price Chart NKTX Stock Price Chart CYBN Stock Price Chart TNGX 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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