Tecogen Inc. (TGEN)
NYSEAMERICAN: TGEN · Real-Time Price · USD
6.03
+0.25 (4.33%)
Jun 18, 2026, 4:00 PM EDT - Market closed
Tecogen Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 18, 2026 | 6.00 | 6.17 | 5.86 | 6.03 | 6.03 | 4.33% | 168,261 |
| Jun 17, 2026 | 5.77 | 6.19 | 5.71 | 5.78 | 5.78 | 1.94% | 198,810 |
| Jun 16, 2026 | 5.70 | 6.08 | 5.55 | 5.67 | 5.67 | -0.18% | 163,315 |
| Jun 15, 2026 | 6.05 | 6.18 | 5.62 | 5.68 | 5.68 | -0.87% | 215,203 |
| Jun 12, 2026 | 5.67 | 5.95 | 5.53 | 5.73 | 5.73 | 0.35% | 195,508 |
| Jun 11, 2026 | 5.38 | 5.71 | 5.21 | 5.71 | 5.71 | 7.33% | 248,562 |
| Jun 10, 2026 | 5.59 | 5.85 | 5.24 | 5.32 | 5.32 | -6.17% | 239,854 |
| Jun 9, 2026 | 6.19 | 6.34 | 5.30 | 5.67 | 5.67 | -6.90% | 610,943 |
| Jun 8, 2026 | 6.15 | 6.36 | 6.00 | 6.09 | 6.09 | 6.10% | 343,281 |
| Jun 5, 2026 | 7.04 | 7.19 | 5.70 | 5.74 | 5.74 | -16.81% | 541,710 |
| Jun 4, 2026 | 6.69 | 7.43 | 6.40 | 6.90 | 6.90 | 1.17% | 380,919 |
| Jun 3, 2026 | 6.50 | 7.01 | 6.32 | 6.82 | 6.82 | 4.28% | 441,812 |
| Jun 2, 2026 | 6.85 | 6.90 | 6.42 | 6.54 | 6.54 | -4.66% | 413,105 |
| Jun 1, 2026 | 6.04 | 6.95 | 6.02 | 6.86 | 6.86 | 10.47% | 515,659 |
| May 29, 2026 | 6.37 | 6.51 | 5.90 | 6.21 | 6.21 | -2.51% | 262,378 |
| May 28, 2026 | 6.40 | 6.72 | 6.27 | 6.37 | 6.37 | -3.04% | 324,800 |
| May 27, 2026 | 6.09 | 6.98 | 6.00 | 6.57 | 6.57 | 8.60% | 892,014 |
| May 26, 2026 | 5.80 | 6.39 | 5.75 | 6.05 | 6.05 | 5.40% | 535,374 |
| May 22, 2026 | 5.56 | 5.83 | 5.50 | 5.74 | 5.74 | 3.99% | 390,123 |
| May 21, 2026 | 5.29 | 5.54 | 5.29 | 5.52 | 5.52 | 4.15% | 175,619 |
| May 20, 2026 | 5.46 | 5.84 | 5.16 | 5.30 | 5.30 | -1.12% | 441,273 |
| May 19, 2026 | 6.08 | 6.11 | 5.35 | 5.36 | 5.36 | -15.59% | 553,919 |
| May 18, 2026 | 6.52 | 7.18 | 6.20 | 6.35 | 6.35 | -2.61% | 859,295 |
| May 15, 2026 | 5.99 | 6.64 | 5.55 | 6.52 | 6.52 | 4.82% | 1,109,161 |
| May 14, 2026 | 5.13 | 6.32 | 5.04 | 6.22 | 6.22 | 22.68% | 1,787,499 |
| May 13, 2026 | 3.85 | 5.19 | 3.85 | 5.07 | 5.07 | 19.86% | 1,934,737 |
| May 12, 2026 | 4.32 | 4.32 | 4.06 | 4.23 | 4.23 | -3.20% | 468,022 |
| May 11, 2026 | 3.67 | 4.59 | 3.65 | 4.37 | 4.37 | -5.62% | 583,199 |
| May 8, 2026 | 4.80 | 4.89 | 4.52 | 4.63 | 4.63 | -3.94% | 462,953 |
| May 7, 2026 | 5.22 | 5.29 | 4.71 | 4.82 | 4.82 | -9.91% | 366,641 |
| May 6, 2026 | 5.00 | 5.52 | 4.91 | 5.35 | 5.35 | 8.30% | 418,699 |
| May 5, 2026 | 4.98 | 5.00 | 4.60 | 4.94 | 4.94 | 0.41% | 270,425 |
| May 4, 2026 | 4.78 | 5.08 | 4.78 | 4.92 | 4.92 | -0.61% | 380,200 |
| May 1, 2026 | 4.78 | 5.20 | 4.77 | 4.95 | 4.95 | 3.56% | 529,319 |
| Apr 30, 2026 | 4.06 | 5.07 | 3.96 | 4.78 | 4.78 | 18.32% | 1,162,070 |
| Apr 29, 2026 | 4.23 | 4.25 | 3.96 | 4.04 | 4.04 | -3.81% | 210,290 |
| Apr 28, 2026 | 4.13 | 4.21 | 3.80 | 4.20 | 4.20 | -0.94% | 289,222 |
| Apr 27, 2026 | 4.27 | 4.39 | 4.10 | 4.24 | 4.24 | -1.17% | 144,274 |
| Apr 24, 2026 | 4.15 | 4.40 | 4.02 | 4.29 | 4.29 | 2.88% | 179,760 |
| Apr 23, 2026 | 4.28 | 4.42 | 3.93 | 4.17 | 4.17 | -3.47% | 363,770 |
| Apr 22, 2026 | 4.62 | 4.72 | 4.12 | 4.32 | 4.32 | -2.92% | 516,215 |
| Apr 21, 2026 | 4.94 | 4.94 | 4.36 | 4.45 | 4.45 | -8.62% | 549,489 |
| Apr 20, 2026 | 4.27 | 5.00 | 4.12 | 4.87 | 4.87 | 13.26% | 1,397,498 |
| Apr 17, 2026 | 3.95 | 4.47 | 3.86 | 4.30 | 4.30 | 11.11% | 1,200,885 |
| Apr 16, 2026 | 3.92 | 3.95 | 3.61 | 3.87 | 3.87 | -1.28% | 454,435 |
| Apr 15, 2026 | 3.90 | 4.12 | 3.71 | 3.92 | 3.92 | 3.43% | 631,249 |
| Apr 14, 2026 | 3.75 | 3.96 | 3.50 | 3.79 | 3.79 | 4.41% | 1,018,175 |
| Apr 13, 2026 | 2.87 | 3.80 | 2.87 | 3.63 | 3.63 | 27.37% | 1,326,853 |
| Apr 10, 2026 | 3.09 | 3.21 | 2.77 | 2.85 | 2.85 | -7.77% | 267,339 |
| Apr 9, 2026 | 2.67 | 3.23 | 2.67 | 3.09 | 3.09 | 12.77% | 634,342 |