Tecogen Inc. (TGEN)
NYSEAMERICAN: TGEN · Real-Time Price · USD
2.830
+0.020 (0.71%)
Mar 11, 2026, 4:00 PM EDT - Market closed
Tecogen Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 11, 2026 | 2.80 | 2.88 | 2.66 | 2.83 | 2.83 | 0.71% | 275,422 |
| Mar 10, 2026 | 2.89 | 2.99 | 2.78 | 2.81 | 2.81 | -3.77% | 206,735 |
| Mar 9, 2026 | 2.82 | 2.95 | 2.82 | 2.92 | 2.92 | -2.01% | 206,338 |
| Mar 6, 2026 | 3.10 | 3.18 | 2.71 | 2.98 | 2.98 | -6.88% | 753,069 |
| Mar 5, 2026 | 3.26 | 3.34 | 3.06 | 3.20 | 3.20 | -3.03% | 193,538 |
| Mar 4, 2026 | 3.30 | 3.50 | 3.25 | 3.30 | 3.30 | 2.17% | 234,894 |
| Mar 3, 2026 | 3.36 | 3.37 | 3.15 | 3.23 | 3.23 | -6.38% | 291,591 |
| Mar 2, 2026 | 3.37 | 3.59 | 3.37 | 3.45 | 3.45 | -0.58% | 177,586 |
| Feb 27, 2026 | 3.78 | 3.78 | 3.37 | 3.47 | 3.47 | -10.34% | 379,529 |
| Feb 26, 2026 | 3.78 | 3.92 | 3.68 | 3.87 | 3.87 | 2.93% | 147,137 |
| Feb 25, 2026 | 3.72 | 3.86 | 3.67 | 3.76 | 3.76 | 2.17% | 163,519 |
| Feb 24, 2026 | 3.47 | 3.75 | 3.38 | 3.68 | 3.68 | 5.75% | 119,244 |
| Feb 23, 2026 | 3.50 | 3.58 | 3.43 | 3.48 | 3.48 | -1.69% | 170,335 |
| Feb 20, 2026 | 3.65 | 3.76 | 3.53 | 3.54 | 3.54 | -3.80% | 157,363 |
| Feb 19, 2026 | 3.49 | 3.68 | 3.37 | 3.68 | 3.68 | 4.55% | 170,574 |
| Feb 18, 2026 | 3.83 | 3.99 | 3.47 | 3.52 | 3.52 | -8.57% | 261,396 |
| Feb 17, 2026 | 3.85 | 3.87 | 3.62 | 3.85 | 3.85 | 1.05% | 270,301 |
| Feb 13, 2026 | 3.81 | 3.91 | 3.71 | 3.81 | 3.81 | 1.06% | 285,909 |
| Feb 12, 2026 | 3.93 | 4.00 | 3.71 | 3.77 | 3.77 | -3.33% | 122,480 |
| Feb 11, 2026 | 4.02 | 4.22 | 3.82 | 3.90 | 3.90 | 2.90% | 330,209 |
| Feb 10, 2026 | 3.87 | 3.92 | 3.69 | 3.79 | 3.79 | -2.57% | 149,538 |
| Feb 9, 2026 | 3.78 | 3.90 | 3.58 | 3.89 | 3.89 | 3.73% | 282,013 |
| Feb 6, 2026 | 3.58 | 4.00 | 3.58 | 3.75 | 3.75 | 7.14% | 397,124 |
| Feb 5, 2026 | 3.50 | 3.70 | 3.44 | 3.50 | 3.50 | -2.78% | 261,169 |
| Feb 4, 2026 | 3.86 | 3.86 | 3.45 | 3.60 | 3.60 | -5.26% | 526,208 |
| Feb 3, 2026 | 3.80 | 3.99 | 3.60 | 3.80 | 3.80 | 0.80% | 336,919 |
| Feb 2, 2026 | 3.73 | 3.91 | 3.65 | 3.77 | 3.77 | 0.80% | 413,202 |
| Jan 30, 2026 | 4.11 | 4.21 | 3.71 | 3.74 | 3.74 | -9.66% | 419,289 |
| Jan 29, 2026 | 4.06 | 4.20 | 3.95 | 4.14 | 4.14 | 0.24% | 362,691 |
| Jan 28, 2026 | 4.26 | 4.31 | 3.97 | 4.13 | 4.13 | -2.82% | 561,197 |
| Jan 27, 2026 | 4.29 | 4.44 | 4.10 | 4.25 | 4.25 | -1.16% | 370,603 |
| Jan 26, 2026 | 4.32 | 4.52 | 4.26 | 4.30 | 4.30 | -0.92% | 636,665 |
| Jan 23, 2026 | 4.76 | 4.76 | 4.31 | 4.34 | 4.34 | -8.82% | 389,652 |
| Jan 22, 2026 | 4.67 | 4.83 | 4.54 | 4.76 | 4.76 | 3.48% | 303,204 |
| Jan 21, 2026 | 4.56 | 4.95 | 4.44 | 4.60 | 4.60 | -2.95% | 562,618 |
| Jan 20, 2026 | 4.88 | 4.99 | 4.71 | 4.74 | 4.74 | -6.88% | 355,263 |
| Jan 16, 2026 | 5.00 | 5.18 | 5.00 | 5.09 | 5.09 | 2.00% | 481,082 |
| Jan 15, 2026 | 5.00 | 5.15 | 4.91 | 4.99 | 4.99 | 0.60% | 313,841 |
| Jan 14, 2026 | 4.94 | 5.06 | 4.83 | 4.96 | 4.96 | 0.61% | 322,643 |
| Jan 13, 2026 | 4.80 | 5.07 | 4.77 | 4.93 | 4.93 | 4.01% | 365,815 |
| Jan 12, 2026 | 4.63 | 4.81 | 4.50 | 4.74 | 4.74 | -0.42% | 371,184 |
| Jan 9, 2026 | 5.05 | 5.10 | 4.59 | 4.76 | 4.76 | -5.37% | 828,930 |
| Jan 8, 2026 | 4.39 | 5.15 | 4.39 | 5.03 | 5.03 | 13.29% | 1,203,227 |
| Jan 7, 2026 | 4.46 | 4.84 | 4.27 | 4.44 | 4.44 | 0.68% | 1,442,804 |
| Jan 6, 2026 | 5.67 | 5.72 | 4.23 | 4.41 | 4.41 | -20.40% | 4,097,406 |
| Jan 5, 2026 | 5.39 | 5.79 | 5.20 | 5.54 | 5.54 | 3.75% | 614,501 |
| Jan 2, 2026 | 5.04 | 5.40 | 4.96 | 5.34 | 5.34 | 8.10% | 469,215 |
| Dec 31, 2025 | 4.90 | 5.07 | 4.88 | 4.94 | 4.94 | 0.41% | 421,789 |
| Dec 30, 2025 | 5.07 | 5.12 | 4.90 | 4.92 | 4.92 | -3.34% | 574,179 |
| Dec 29, 2025 | 5.05 | 5.20 | 5.00 | 5.09 | 5.09 | -1.74% | 375,139 |