05:47 PM EDT, 06/24/2025 (MT Newswires) -- Stephen Lafaille, Vice President of Business Development, on March 03, 2025, sold 60,000 shares in Tecogen ( TGEN ) for $345,800. Following the Form 4 filing with the SEC, Lafaille has control over a total of 400 common shares of the company, with 400 shares held directly.

SEC Filing:

https://www.sec.gov/Archives/edgar/data/1537435/000153743525000064/xslF345X05/wk-form4_1750801310.xml