AmpliTech Group (AMPG) Stock Chart & Stock Price History $3.97 -0.10 (-2.46%) Closing price 09/3/2025 04:00 PM EasternExtended Trading$3.94 -0.03 (-0.76%) As of 04:03 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 TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock AmpliTech Group Stock Price Performance The AmpliTech Group (AMPG) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 384.80%, with a year-to-date return of -22.76%. In the past month, the stock has increased 29.32%, reflecting recent market activity. As of the latest close, AmpliTech Group traded at $3.97 with a market cap of $81.68 million and volume of 1.59 million shares. Five years ago, the stock traded at $0.06, representing a 6,538.80% increase over that period. At the time, it had a market cap of $0.00 and a volume of 1.36 million shares. Receive AMPG Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AmpliTech Group 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. 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Read our full terms of service and privacy policy. 5 Day Performance+4.47%1 Month Performance+29.32%3 Month Performance+71.86%Year-To-Date Performance-22.76%1 Year Performance+384.80%5 Year Performance+6,538.80% AMPG Stock Chart for Thursday, September, 4, 2025 AMPG Chart by TradingView AmpliTech Group 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 Capitalization09/03/2025$4.07$3.97-2.46%$4.29$3.941.59 million shs$81.68 million09/02/2025$3.80$4.07+7.11%$4.09$3.611.34 million shs$83.72 million09/01/2025$3.80$3.80$3.90$3.423.03 million shs$78.17 million08/29/2025$3.42$3.80+11.11%$3.90$3.423.03 million shs$78.17 million08/28/2025$3.06$3.42+11.76%$3.55$3.071.53 million shs$70.36 million08/27/2025$3.18$3.06-3.77%$3.18$3.05274,905 shs$62.94 million08/26/2025$3.16$3.18+0.63%$3.33$3.12429,489 shs$65.41 million08/25/2025$3.21$3.16-1.56%$3.30$3.08432,543 shs$65.01 million08/22/2025$3.08$3.21+4.22%$3.30$3.01622,188 shs$66.04 million08/21/2025$3.01$3.08+2.33%$3.14$2.96241,282 shs$63.36 million Get the Latest News and Ratings for AMPG and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AmpliTech Group and its competitors with MarketBeat's FREE daily newsletter. 08/20/2025$2.96$3.01+1.69%$3.05$2.84392,164 shs$61.92 million08/19/2025$3.15$2.96-6.03%$3.30$2.96609,928 shs$60.90 million08/18/2025$3.10$3.15+1.61%$3.19$2.94779,396 shs$64.80 million08/15/2025$3.55$3.10-12.68%$3.60$3.002.13 million shs$63.77 million08/14/2025$3.66$3.55-3.01%$3.60$3.392.68 million shs$73.02 million08/13/2025$3.40$3.66+7.65%$3.72$3.421.36 million shs$75.30 million08/12/2025$3.29$3.40+3.34%$3.66$3.191.26 million shs$69.94 million08/11/2025$2.91$3.29+13.06%$3.29$2.89562,419 shs$67.68 million08/08/2025$2.82$2.91+3.19%$3.00$2.79174,090 shs$59.86 million08/07/2025$2.92$2.82-3.42%$2.90$2.78262,839 shs$58.02 million08/06/2025$2.96$2.92-1.35%$2.98$2.83295,854 shs$60.06 million08/05/2025$3.07$2.96-3.58%$3.19$2.91310,550 shs$60.89 million08/04/2025$2.85$3.07+7.72%$3.13$2.80553,721 shs$63.16 million Related Companies AudioCodes Stock Chart Valens Semiconductor Stock Chart Wolfspeed Stock Chart LightPath Technologies Stock Chart Ceragon Networks Stock Chart Inseego Stock Chart Vuzix Stock Chart Rekor Systems Stock Chart Nano Labs Stock Chart Everspin Tech Stock Chart Receive AMPG Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AmpliTech Group and its competitors with MarketBeat's FREE daily newsletter. 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