Tecogen (TGEN) Stock Chart & Stock Price History $4.60 -0.05 (-1.08%) As of 05/23/2025 04:10 PM Eastern Add Compare Share Share Chart Stock AnalysisChartEarningsHeadlinesSEC FilingsShort InterestBuy This Stock Tecogen Stock Price Performance The Tecogen (TGEN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 475.00%, with a year-to-date return of 213.99%. In the past month, the stock has increased 128.63%, reflecting recent market activity. As of the latest close, Tecogen traded at $4.60 with a market cap of $116.19 million and volume of 558,921 shares. Five years ago, the stock traded at $0.91, representing a 404.83% increase over that period. At the time, it had a market cap of $22.61 million and a volume of 33,200 shares. Receive TGEN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Tecogen and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+2.22%1 Month Performance+128.63%3 Month Performance+137.11%Year-To-Date Performance+213.99%1 Year Performance+475.00%5 Year Performance+404.83% TGEN Stock Chart for Saturday, May, 24, 2025 TGEN Chart by TradingView Tecogen 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 Capitalization05/23/2025$4.65$4.60-1.08%$4.66$4.01558,921 shs$116.19 million05/22/2025$4.36$4.65+6.65%$4.77$4.00395,064 shs$117.45 million05/21/2025$4.34$4.36+0.46%$4.90$4.16555,895 shs$110.13 million05/20/2025$4.50$4.34-3.56%$4.65$4.11382,036 shs$109.62 million05/19/2025$4.35$4.50+3.45%$5.61$4.001.36 million shs$112.43 million05/16/2025$3.51$4.35+23.93%$4.35$3.52847,457 shs$108.69 million05/15/2025$3.53$3.51-0.57%$3.60$3.26168,314 shs$87.70 million05/14/2025$3.95$3.53-10.63%$4.00$3.43492,297 shs$88.20 million05/13/2025$3.40$3.95+16.18%$4.20$3.37820,430 shs$98.69 million05/12/2025$3.17$3.40+7.26%$3.40$3.12527,721 shs$84.95 million Get the Latest News and Ratings for TGEN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Tecogen and its competitors with MarketBeat's FREE daily newsletter. 05/09/2025$3.40$3.17-6.76%$3.40$3.03267,123 shs$79.20 million05/08/2025$3.23$3.40+5.26%$3.40$3.02148,689 shs$84.95 million05/07/2025$3.25$3.23-0.50%$3.35$3.20287,102 shs$80.70 million05/06/2025$3.10$3.25+4.72%$3.50$3.00399,957 shs$81.11 million05/05/2025$2.68$3.10+15.67%$3.18$2.60233,355 shs$77.45 million05/02/2025$2.73$2.68-1.83%$2.78$2.68207,743 shs$66.96 million05/01/2025$2.47$2.73+10.53%$2.80$2.50785,431 shs$68.21 million04/30/2025$2.47$2.47$2.47$2.35250,962 shs$61.71 million04/29/2025$2.30$2.47+7.39%$2.47$2.34215,330 shs$61.71 million04/28/2025$2.15$2.30+7.18%$2.43$2.15333,813 shs$57.47 million04/25/2025$2.01$2.15+6.66%$2.20$2.0299,621 shs$53.62 million04/24/2025$1.99$2.01+1.11%$2.03$1.9567,439 shs$50.27 million04/23/2025$1.95$1.99+2.05%$2.03$1.9246,916 shs$49.72 million Related Companies Mestek Stock Price Chart A2Z Smart Technologies Stock Price Chart Richtech Robotics Stock Price Chart Palladyne AI Stock Price Chart Montana Technologies Stock Price Chart Gencor Industries Stock Price Chart Desktop Metal Stock Price Chart Taylor Devices Stock Price Chart Perma-Pipe International Stock Price Chart QS Energy Stock Price Chart Receive TGEN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Tecogen and its competitors with MarketBeat's FREE daily newsletter. 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