Acumen Pharmaceuticals (ABOS) Stock Chart & Stock Price History $1.31 -0.08 (-5.76%) Closing price 04:00 PM EasternExtended Trading$1.35 +0.04 (+3.05%) As of 06:50 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Acumen Pharmaceuticals Stock Price Performance The Acumen Pharmaceuticals (ABOS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 52.71%, with a year-to-date return of -23.84%. In the past month, the stock has decreased 10.27%, reflecting recent market activity. As of the latest close, Acumen Pharmaceuticals traded at $1.39 with a market cap of $84.19 million and volume of 343,599 shares. Receive ABOS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Acumen Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 5 Day Performance-14.38%1 Month Performance-10.27%3 Month Performance+28.43%Year-To-Date Performance-23.84%1 Year Performance-52.71% ABOS Stock Chart for Thursday, August, 28, 2025 ABOS Chart by TradingView Acumen Pharmaceuticals 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 Capitalization08/28/2025$1.39$1.31-5.76%$1.42$1.31273,980 shs$79.35 million08/27/2025$1.46$1.39-4.79%$1.43$1.39343,599 shs$84.19 million08/26/2025$1.51$1.46-3.31%$1.54$1.46154,766 shs$91.47 million08/25/2025$1.53$1.51-1.31%$1.55$1.47166,094 shs$91.46 million08/22/2025$1.36$1.53+12.50%$1.60$1.36919,417 shs$92.67 million08/21/2025$1.41$1.36-3.55%$1.40$1.3574,438 shs$82.38 million08/20/2025$1.38$1.41+2.17%$1.43$1.36154,972 shs$85.41 million08/19/2025$1.43$1.38-3.50%$1.46$1.37138,897 shs$83.59 million08/18/2025$1.42$1.43+0.70%$1.45$1.4179,433 shs$86.62 million08/15/2025$1.40$1.42+1.43%$1.46$1.38183,901 shs$86.01 million Get the Latest News and Ratings for ABOS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Acumen Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 08/14/2025$1.27$1.40+10.24%$1.40$1.24257,139 shs$84.80 million08/13/2025$1.26$1.27+0.79%$1.31$1.24223,536 shs$76.92 million08/12/2025$1.42$1.26-11.27%$1.44$1.19460,499 shs$76.32 million08/11/2025$1.36$1.42+4.41%$1.50$1.36418,239 shs$86.01 million08/08/2025$1.42$1.36-4.23%$1.42$1.36140,856 shs$82.38 million08/07/2025$1.40$1.42+1.43%$1.47$1.37318,620 shs$86.01 million08/06/2025$1.36$1.40+2.94%$1.40$1.34146,341 shs$84.80 million08/05/2025$1.33$1.36+2.26%$1.41$1.31312,250 shs$82.38 million08/04/2025$1.35$1.33-1.48%$1.39$1.29176,163 shs$81.77 million08/01/2025$1.40$1.35-3.57%$1.39$1.3589,035 shs$81.77 million07/31/2025$1.46$1.40-4.11%$1.49$1.39154,755 shs$84.80 million07/30/2025$1.38$1.46+5.80%$1.60$1.41624,149 shs$88.43 million07/29/2025$1.46$1.38-5.48%$1.47$1.35242,157 shs$83.59 million07/28/2025$1.57$1.46-7.01%$1.62$1.44268,144 shs$88.43 million Related Companies INBX Stock Chart ADCT Stock Chart CTMX Stock Chart ALDX Stock Chart BNTC Stock Chart TNXP Stock Chart FDMT Stock Chart AMRN Stock Chart ZYBT Stock Chart CADL Stock Chart Receive ABOS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Acumen Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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