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Tecogen (TGEN) Stock Chart & Stock Price History

Tecogen logo
$4.01 -0.05 (-1.23%)
As of 04:10 PM Eastern
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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 decreased 54.54%, with a year-to-date return of -18.83%. In the past month, the stock has decreased 2.67%, reflecting recent market activity.

As of the latest close, Tecogen traded at $4.01 with a market cap of $121.47 million and volume of 169,083 shares. Five years ago, the stock traded at $1.80, representing a 122.78% increase over that period. At the time, it had a market cap of $44.73 million and a volume of 16,682 shares.

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5 Day
Performance
+3.08%
1 Month
Performance
-2.67%
3 Month
Performance
-5.20%
Year-To-Date
Performance
-18.83%
1 Year
Performance
-54.54%
5 Year
Performance
+122.78%

TGEN Stock Chart for Wednesday, August, 12, 2026

TGEN Chart by TradingView

Tecogen Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
08/11/2026$3.88$4.06
+4.64%		$4.06$3.9071,924 shs$121.47 million
08/10/2026$3.89$3.88
-0.26%		$4.00$3.8392,778 shs$116.08 million
08/07/2026$3.73$3.89
+4.29%		$4.00$3.77102,291 shs$116.38 million
08/06/2026$3.76$3.73
-0.80%		$3.86$3.70164,568 shs$111.59 million
08/05/2026$3.74$3.76
+0.53%		$3.97$3.61155,842 shs$112.49 million
08/04/2026$3.65$3.74
+2.47%		$3.88$3.71179,361 shs$111.89 million
08/03/2026$3.32$3.65
+9.94%		$3.67$3.36195,696 shs$109.20 million
07/31/2026$3.20$3.32
+3.75%		$3.37$3.2274,400 shs$99.33 million
07/30/2026$3.00$3.20
+6.67%		$3.23$3.07182,156 shs$95.74 million
07/29/2026$3.10$3.00
-3.23%		$3.30$2.91528,028 shs$89.75 million
07/28/2026$3.34$3.10
-7.19%		$3.39$3.07397,069 shs$92.75 million
07/27/2026$3.22$3.34
+3.73%		$3.44$3.16295,763 shs$99.93 million
07/24/2026$3.40$3.22
-5.29%		$3.38$3.15363,344 shs$96.34 million
07/23/2026$3.54$3.40
-3.95%		$3.64$3.34274,540 shs$101.72 million
07/22/2026$3.59$3.54
-1.39%		$3.74$3.48226,589 shs$105.91 million
07/21/2026$3.45$3.59
+4.06%		$3.59$3.32323,295 shs$107.41 million
07/20/2026$3.55$3.45
-2.82%		$3.70$3.41143,523 shs$103.22 million
07/17/2026$3.73$3.55
-4.83%		$3.68$3.49373,250 shs$106.21 million
07/16/2026$3.95$3.73
-5.57%		$4.07$3.63246,953 shs$111.59 million
07/15/2026$4.01$3.95
-1.50%		$4.22$3.86189,376 shs$118.18 million
07/14/2026$3.98$4.01
+0.75%		$4.16$3.97207,522 shs$119.97 million
07/13/2026$4.12$3.98
-3.40%		$4.10$3.92172,476 shs$119.07 million
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This page (OTCMKTS:TGEN) was last updated on 8/12/2026 by MarketBeat.com Staff.
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