Tecogen (TGEN) Stock Chart & Stock Price History $6.18 +0.08 (+1.31%) As of 06/12/2025 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 762.50%, with a year-to-date return of 321.84%. In the past month, the stock has increased 56.46%, reflecting recent market activity. As of the latest close, Tecogen traded at $6.18 with a market cap of $156.16 million and volume of 240,030 shares. Five years ago, the stock traded at $0.73, representing a 746.58% increase over that period. At the time, it had a market cap of $19.38 million and a volume of 94,545 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+3.00%1 Month Performance+56.46%3 Month Performance+188.79%Year-To-Date Performance+321.84%1 Year Performance+762.50%5 Year Performance+746.58% TGEN Stock Chart for Friday, June, 13, 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 Capitalization06/12/2025$6.10$6.18+1.31%$6.29$5.88240,030 shs$156.16 million06/11/2025$6.15$6.10-0.81%$6.35$5.80347,715 shs$154.14 million06/10/2025$5.78$6.15+6.40%$6.15$5.55278,935 shs$155.40 million06/09/2025$6.00$5.78-3.67%$6.42$5.45590,298 shs$146.06 million06/06/2025$5.32$6.00+12.78%$6.16$5.01706,380 shs$151.61 million06/05/2025$5.29$5.32+0.57%$5.43$4.95237,893 shs$134.43 million06/04/2025$4.87$5.29+8.62%$5.32$4.72469,672 shs$133.67 million06/03/2025$4.69$4.87+3.84%$5.31$4.65508,836 shs$123.06 million06/02/2025$4.72$4.69-0.64%$4.82$4.52176,773 shs$118.51 million05/30/2025$4.79$4.72-1.46%$4.80$4.33299,773 shs$119.22 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. 05/29/2025$4.99$4.79-4.01%$5.17$4.65328,760 shs$120.99 million05/28/2025$4.84$4.99+3.10%$5.09$4.81294,744 shs$126.04 million05/27/2025$4.60$4.84+5.22%$5.29$4.67605,030 shs$122.25 million05/26/2025$4.60$4.60$4.66$4.01558,921 shs$116.19 million05/23/2025$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 Related Companies Palladyne AI Stock Price Chart OMS Energy Technologies Stock Price Chart Mestek Stock Price Chart Richtech Robotics Stock Price Chart A2Z Smart Technologies Stock Price Chart Montana Technologies Stock Price Chart Gencor Industries Stock Price Chart Desktop Metal Stock Price Chart Perma-Pipe International Stock Price Chart Taylor Devices 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. This page (OTCMKTS:TGEN) was last updated on 6/13/2025 by MarketBeat.com Staff From Our PartnersYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what ...Priority Gold | SponsoredUtah’s New Oil FindThe Real Reason 218,000 Acres Just Vanished The government just quietly leased 218,000 acres in the middle ...Stansberry Research | SponsoredWhy July 22nd Could Mean Big Changes for Social SecurityIn a stunning move, President Trump has authorized an AI-led transformation of federal agencies, including Soc...Altimetry | SponsoredElon’s NEXT Big IPO?Cancel your internet TODAY!? Take your latest internet bill and light it on fire… then count the seconds it...Banyan Hill Publishing | SponsoredTrump’s treachery Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to ...Porter & Company | SponsoredJuly 2025 Rule Change to Impact Retirement InvestorsThere's a massive change from a new rule going into effect this July. And it's one the Big Banks are alread...Premier Gold Co | SponsoredBanks aren’t ready for this altcoin—are you?Donald Trump just fast-tracked TWO major crypto bills with an August deadline! Your window of opportunity i...Crypto 101 Media | SponsoredREVEALED FREE: Our top 3 stocks to own in 2025 and beyondEvery time Weiss Ratings flashed green like this, the average gain on each and every stock has been 303% (incl...Weiss Ratings | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Tecogen Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Tecogen With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
