Tecogen Inc.'s Chief Accounting Officer, Roger P. Deschenes, executed an insider purchase of 10,000 shares of the company's common stock on March 20, 2026. The shares were acquired at $2.23 each, bringing the total cost of the transaction to $22,300.
Following the purchase, Deschenes' direct holding in Tecogen stands at 52,962 shares. At the time of the report, the stock was trading at $2.42, having fallen 19% over the prior week and 74% over the preceding six months, according to InvestingPro data.
The insider transaction comes amid a challenging period for Tecogen on the financial front. For the fourth quarter of 2025, the company reported earnings per share (EPS) of -$0.13, which missed the expected EPS of -$0.04. The company’s EPS shortfall translated to a negative surprise of 225% relative to expectations.
Revenue for the quarter totaled $5.3 million, below the forecasted $7.27 million and representing a 26.82% shortfall versus analyst projections. The earnings and revenue misses were followed by an 18.31% decline in Tecogen’s stock price during pre-market trading, reflecting investor reaction to the results.
InvestingPro’s Fair Value analysis is noted in the available data as suggesting the stock may be undervalued at current levels. For investors seeking more detailed coverage, the InvestingPro Pro Research Report is available for TGEN and over 1,400 U.S. equities.
These developments combine an insider purchase with a materially weaker-than-expected quarterly performance, leaving market participants to reconcile executive buying with the company’s shortfall in meeting market expectations.
Summary
Tecogen’s Chief Accounting Officer bought 10,000 shares on March 20, 2026, at $2.23 each, spending $22,300 and raising his holding to 52,962 shares. The company reported a Q4 2025 EPS miss of -$0.13 versus an expected -$0.04, a 225% negative surprise, and revenue of $5.3 million versus $7.27 million expected, a 26.82% miss. The stock fell 18.31% in pre-market trading following the announcement and has declined 19% over the past week and 74% over six months. InvestingPro’s Fair Value analysis indicates the shares may be undervalued.
- Key points
- Chief Accounting Officer Roger P. Deschenes purchased 10,000 shares on March 20, 2026, at $2.23 per share for $22,300 total.
- Tecogen reported Q4 2025 EPS of -$0.13 versus an expected -$0.04, a 225% negative surprise; revenue was $5.3 million versus $7.27 million expected, a 26.82% miss.
- The stock experienced an 18.31% drop in pre-market trading after the results and is trading below recent levels cited by InvestingPro.
- Sectors impacted
- Industrial and equipment manufacturing exposures tied to Tecogen's business may be affected by investor sentiment stemming from the results.
- Equity markets and small-cap stocks can be sensitive to insider transactions combined with earnings misses.
- Risks and uncertainties
- Financial performance risk - The company’s EPS and revenue fell short of expectations in Q4 2025, raising questions about near-term operating results.
- Market reaction risk - The sizable pre-market share decline following the announcement demonstrates potential volatility in the company’s stock.
- Valuation uncertainty - While InvestingPro’s Fair Value view suggests possible undervaluation, that assessment is a valuation signal and not a guarantee of future performance.