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5.74
3.99%
0.22
After Hours:
5.72
-0.02
-0.35%
Tecogen Inc Stock (TGEN) Price History
The historical daily chart and data for Tecogen Inc stock (TGEN), show that the latest closing stock price as of May 22, 2026, is $5.74.
- Tecogen Inc all-time high stock price is $12.07, occurred on October 15, 2025.
- The lowest Tecogen Inc stock price recorded was $1.94 on March 18, 2026. Since then, Tecogen Inc's stock price has risen over 195.88% to $5.74 now.
- The 52-week high stock price for TGEN is $12.07, representing a 110.28% increase from the current share price, occurred on October 15, 2025.
- The 52-week low stock price for TGEN is $1.94, indicating a -66.20% decrease from the current share price, occurred on March 18, 2026.
The table below shows more information about TGEN historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| May 22, 2026 | $5.83 | $5.50 | $0.3271 | 391,172.0 | +3.99% |
| May 21, 2026 | $5.54 | $5.29 | $0.2468 | 181,454.0 | +4.15% |
| May 20, 2026 | $5.84 | $5.16 | $0.68 | 441,776.0 | -1.12% |
| May 19, 2026 | $6.11 | $5.35 | $0.755 | 553,961.0 | -15.59% |
| May 18, 2026 | $7.18 | $6.20 | $0.98 | 859,352.0 | -2.61% |
| May 15, 2026 | $6.64 | $5.55 | $1.09 | 1,108,678.0 | +4.82% |
| May 14, 2026 | $6.32 | $5.04 | $1.28 | 1,782,600.0 | +22.68% |
| May 13, 2026 | $5.19 | $3.85 | $1.34 | 1,925,649.0 | +19.86% |
| May 12, 2026 | $4.32 | $4.06 | $0.264 | 370,392.0 | -3.20% |
| May 11, 2026 | $4.59 | $3.65 | $0.94 | 583,170.0 | -5.62% |
| May 08, 2026 | $4.89 | $4.52 | $0.37 | 461,637.0 | -3.94% |
| May 07, 2026 | $5.29 | $4.71 | $0.58 | 362,239.0 | -9.91% |
| May 06, 2026 | $5.52 | $4.91 | $0.6131 | 417,765.0 | +8.30% |
| May 05, 2026 | $5.00 | $4.60 | $0.3968 | 269,824.0 | +0.41% |
| May 04, 2026 | $5.08 | $4.78 | $0.30 | 379,544.0 | -0.61% |
| May 01, 2026 | $5.20 | $4.77 | $0.43 | 528,980.0 | +3.56% |
| Apr 30, 2026 | $5.07 | $3.96 | $1.11 | 1,158,776.0 | +18.32% |
| Apr 29, 2026 | $4.25 | $3.96 | $0.29 | 208,306.0 | -3.81% |
| Apr 28, 2026 | $4.21 | $3.80 | $0.41 | 288,957.0 | -0.94% |
Tecogen Inc Stock (TGEN) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Tecogen Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of TGEN shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Tecogen Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Tecogen Inc Stock (TGEN) Price History 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| May, 2026 | $7.18 | $3.65 | $3.53 | 11,009,365.0 | +20.08% |
| Apr, 2026 | $5.07 | $2.47 | $2.60 | 11,686,965.0 | +86.72% |
| Mar, 2026 | $3.59 | $1.94 | $1.65 | 10,161,369.0 | -26.22% |
| Feb, 2026 | $4.21 | $3.37 | $0.845 | 4,946,301.0 | -7.22% |
| Jan, 2026 | $5.79 | $3.71 | $2.08 | 14,447,532.0 | -24.29% |
Tecogen Inc Stock (TGEN) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2025 | $7.51 | $4.62 | $2.89 | 13,154,768.0 | -34.05% |
| Nov, 2025 | $10.47 | $5.97 | $4.50 | 11,873,708.0 | -25.25% |
| Oct, 2025 | $12.07 | $7.82 | $4.25 | 21,523,925.0 | +13.28% |
| Sep, 2025 | $10.25 | $6.33 | $3.92 | 15,523,972.0 | +15.31% |
| Aug, 2025 | $11.55 | $7.20 | $4.35 | 18,847,169.0 | -21.07% |
| Jul, 2025 | $10.04 | $5.63 | $4.41 | 21,962,065.0 | +42.35% |
| Jun, 2025 | $7.85 | $4.52 | $3.33 | 9,609,568.0 | +43.46% |
| May, 2025 | $5.61 | $3.02 | $2.59 | 8,307,703.0 | +0.00% |
0.00%
2.79%
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Volume (24h):