TGEN Roger P. Deschenes bought TECOGEN INC. shares — SEC Form 4BUYTECOGEN INC.

The stock is trading at $2.36, a 54.88% decline over the last 90 days and a 33.33% drop in the past month. It remains 80.45% below its 52-week high of $12.07.

• •The trade itself is a catalyst, as this is the largest insider purchase in Tecogen's history.
• •Q1 2026 earnings beat estimates by 30% on revenue, according to the May 12 Zacks report.
• •Analysts see 46.08% upside potential, per the May 20 Zacks article.

• •The stock carries high volatility risk, with a beta of 2.045.
• •Recent earnings reports indicate continued revenue declines and wider losses despite beating estimates, per the May 16 MarketBeat article.