Tecogen Inc. (TGEN)
NYSEAMERICAN: TGEN · Real-Time Price · USD
9.09
+0.60 (7.07%)
At close: Aug 22, 2025, 4:00 PM
9.09
0.00 (0.00%)
After-hours: Aug 22, 2025, 8:00 PM EDT
Tecogen Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 22, 2025 | 8.57 | 9.23 | 8.34 | 9.09 | 9.09 | 7.07% | 582,805 |
| Aug 21, 2025 | 8.19 | 8.77 | 8.03 | 8.49 | 8.49 | 3.66% | 327,686 |
| Aug 20, 2025 | 8.35 | 8.45 | 7.60 | 8.19 | 8.19 | -4.32% | 1,097,740 |
| Aug 19, 2025 | 9.48 | 9.55 | 8.27 | 8.56 | 8.56 | -10.08% | 979,004 |
| Aug 18, 2025 | 8.82 | 9.66 | 8.56 | 9.52 | 9.52 | 14.84% | 1,112,369 |
| Aug 15, 2025 | 8.92 | 9.01 | 8.19 | 8.29 | 8.29 | -7.17% | 775,339 |
| Aug 14, 2025 | 8.42 | 8.94 | 7.74 | 8.93 | 8.93 | 3.72% | 1,513,735 |
| Aug 13, 2025 | 10.94 | 11.55 | 8.42 | 8.61 | 8.61 | -2.38% | 2,544,992 |
| Aug 12, 2025 | 9.14 | 9.49 | 8.41 | 8.82 | 8.82 | -2.22% | 1,130,404 |
| Aug 11, 2025 | 9.49 | 9.50 | 8.50 | 9.02 | 9.02 | -4.35% | 779,475 |
| Aug 8, 2025 | 8.51 | 9.73 | 8.51 | 9.43 | 9.43 | 12.80% | 1,293,246 |
| Aug 7, 2025 | 9.27 | 9.75 | 8.25 | 8.36 | 8.36 | -9.03% | 959,807 |
| Aug 6, 2025 | 8.73 | 10.02 | 8.22 | 9.19 | 9.19 | 8.37% | 1,172,539 |
| Aug 5, 2025 | 9.13 | 9.87 | 8.42 | 8.48 | 8.48 | -6.81% | 613,060 |
| Aug 4, 2025 | 9.36 | 10.22 | 8.85 | 9.10 | 9.10 | -0.87% | 768,900 |
| Aug 1, 2025 | 8.60 | 9.49 | 8.16 | 9.18 | 9.18 | -5.17% | 975,396 |
| Jul 31, 2025 | 8.75 | 10.04 | 8.38 | 9.68 | 9.68 | 15.51% | 1,654,789 |
| Jul 30, 2025 | 7.52 | 8.73 | 7.52 | 8.38 | 8.38 | 12.79% | 1,034,957 |
| Jul 29, 2025 | 7.81 | 8.10 | 7.35 | 7.43 | 7.43 | -6.31% | 454,075 |
| Jul 28, 2025 | 8.50 | 8.50 | 7.80 | 7.93 | 7.93 | -6.71% | 673,688 |
| Jul 25, 2025 | 8.25 | 8.50 | 8.03 | 8.50 | 8.50 | 1.80% | 277,643 |
| Jul 24, 2025 | 8.60 | 8.68 | 8.18 | 8.35 | 8.35 | -0.48% | 577,708 |
| Jul 23, 2025 | 7.30 | 8.49 | 7.17 | 8.39 | 8.39 | 19.69% | 1,267,585 |
| Jul 22, 2025 | 7.17 | 7.42 | 6.72 | 7.01 | 7.01 | -1.27% | 935,811 |
| Jul 21, 2025 | 7.80 | 7.95 | 7.06 | 7.10 | 7.10 | -8.03% | 1,301,760 |
| Jul 18, 2025 | 5.99 | 8.09 | 5.90 | 7.72 | 7.72 | 33.56% | 5,792,285 |
| Jul 17, 2025 | 6.08 | 6.18 | 5.63 | 5.78 | 5.78 | -4.93% | 1,923,612 |
| Jul 16, 2025 | 6.21 | 6.44 | 5.92 | 6.08 | 6.08 | -3.80% | 1,180,843 |
| Jul 15, 2025 | 7.32 | 7.37 | 6.25 | 6.32 | 6.32 | -15.73% | 1,282,622 |
| Jul 14, 2025 | 7.84 | 7.85 | 7.01 | 7.50 | 7.50 | -5.42% | 484,519 |
| Jul 11, 2025 | 8.15 | 8.38 | 7.66 | 7.93 | 7.93 | -2.82% | 281,819 |
| Jul 10, 2025 | 8.80 | 9.31 | 7.81 | 8.16 | 8.16 | -6.53% | 451,520 |
| Jul 9, 2025 | 8.56 | 8.76 | 8.15 | 8.73 | 8.73 | 3.56% | 207,575 |
| Jul 8, 2025 | 7.96 | 8.98 | 7.95 | 8.43 | 8.43 | 6.04% | 467,390 |
| Jul 7, 2025 | 8.50 | 8.69 | 7.75 | 7.95 | 7.95 | -4.68% | 461,184 |
| Jul 3, 2025 | 8.63 | 8.95 | 8.22 | 8.34 | 8.34 | -8.65% | 433,170 |
| Jul 2, 2025 | 7.10 | 9.38 | 7.05 | 9.13 | 9.13 | 28.95% | 1,330,930 |
| Jul 1, 2025 | 6.76 | 7.11 | 6.26 | 7.08 | 7.08 | 4.12% | 528,228 |
| Jun 30, 2025 | 7.19 | 7.74 | 6.74 | 6.80 | 6.80 | -4.90% | 324,072 |
| Jun 27, 2025 | 7.50 | 7.61 | 7.00 | 7.15 | 7.15 | -4.54% | 253,308 |
| Jun 26, 2025 | 7.00 | 7.85 | 7.00 | 7.49 | 7.49 | 8.39% | 409,975 |
| Jun 25, 2025 | 7.01 | 7.22 | 6.82 | 6.91 | 6.91 | -5.60% | 370,418 |
| Jun 24, 2025 | 7.36 | 7.62 | 6.69 | 7.32 | 7.32 | -1.35% | 763,598 |
| Jun 23, 2025 | 6.11 | 7.54 | 6.10 | 7.42 | 7.42 | 21.04% | 1,013,074 |
| Jun 20, 2025 | 6.10 | 6.37 | 5.75 | 6.13 | 6.13 | -0.81% | 1,466,192 |
| Jun 18, 2025 | 5.85 | 6.18 | 5.67 | 6.18 | 6.18 | 4.75% | 381,592 |
| Jun 17, 2025 | 6.20 | 6.35 | 5.71 | 5.90 | 5.90 | -7.09% | 575,747 |
| Jun 16, 2025 | 5.86 | 6.42 | 5.72 | 6.35 | 6.35 | 10.24% | 337,145 |
| Jun 13, 2025 | 5.97 | 6.29 | 5.65 | 5.76 | 5.76 | -6.80% | 167,318 |
| Jun 12, 2025 | 6.04 | 6.29 | 5.88 | 6.18 | 6.18 | 1.31% | 240,044 |