Armata Pharmaceuticals (ARMP) Stock Chart & Stock Price History $3.14 -0.06 (-1.88%) Closing price 04:10 PM EasternExtended Trading$3.16 +0.02 (+0.80%) As of 04:10 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 ForecastsChartHeadlinesOwnershipSEC FilingsShort InterestBuy This Stock Armata Pharmaceuticals Stock Price Performance The Armata Pharmaceuticals (ARMP) stock chart highlights key performance trends across multiple timeframes. In the past month, the stock has increased 10.18%, reflecting recent market activity. As of the latest close, Armata Pharmaceuticals traded at $3.20 with a market cap of $115.94 million and volume of 13,696 shares. Five years ago, the stock traded at $3.25, representing a 3.38% decrease over that period. At the time, it had a market cap of $60.67 million and a volume of 1,280 shares. Receive ARMP Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Armata 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+2.28%1 Month Performance+10.18%3 Month Performance+53.92%5 Year Performance-3.38% ARMP Stock Chart for Tuesday, October, 7, 2025 ARMP Chart by TradingView Armata 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 Capitalization10/07/2025$3.20$3.14-1.88%$3.24$3.1416,965 shs$113.76 million10/06/2025$3.12$3.20+2.56%$3.20$3.0813,696 shs$115.94 million10/03/2025$3.07$3.12+1.63%$3.13$3.095,666 shs$113.04 million10/02/2025$2.96$3.07+3.72%$3.07$2.9414,039 shs$111.23 million10/01/2025$2.98$2.96-0.67%$3.07$2.963,400 shs$107.24 million09/30/2025$2.95$2.98+1.02%$3.07$2.9812,583 shs$107.97 million09/29/2025$3.01$2.95-1.99%$3.03$2.947,617 shs$106.88 million09/26/2025$2.98$3.01+1.01%$3.02$2.976,843 shs$109.05 million09/25/2025$3.07$2.98-2.93%$3.05$2.9710,473 shs$107.97 million09/24/2025$3.05$3.07+0.66%$3.07$2.965,189 shs$111.23 million Get the Latest News and Ratings for ARMP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Armata Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 09/23/2025$3.02$3.05+0.99%$3.05$2.968,307 shs$110.50 million09/22/2025$3.07$3.02-1.63%$3.02$2.976,724 shs$109.42 million09/19/2025$2.98$3.07+3.02%$3.07$2.9712,650 shs$111.23 million09/18/2025$2.96$2.98+0.68%$3.00$2.924,606 shs$107.97 million09/17/2025$2.88$2.96+2.78%$2.99$2.9213,796 shs$107.24 million09/16/2025$2.99$2.88-3.68%$2.95$2.883,582 shs$104.34 million09/15/2025$2.94$2.99+1.70%$3.02$2.862,293 shs$108.33 million09/12/2025$2.96$2.94-0.68%$2.96$2.866,009 shs$106.52 million09/11/2025$2.98$2.96-0.67%$3.03$2.9510,257 shs$107.24 million09/10/2025$2.95$2.98+1.02%$2.98$2.835,328 shs$107.97 million09/09/2025$2.82$2.95+4.61%$2.98$2.794,368 shs$106.88 million09/08/2025$2.85$2.82-1.05%$2.96$2.8110,950 shs$102.17 million Related Companies Astria Therapeutics Stock Chart Alumis Stock Chart Korro Bio Stock Chart Bright Minds Biosciences Stock Chart 4D Molecular Therapeutics Stock Chart Evolus Stock Chart Kamada Stock Chart Flag Ship Acquisition Stock Chart Y-mAbs Therapeutics Stock Chart enGene Stock Chart Receive ARMP Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Armata Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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