Stephen Lafaille

Companies

• TECOGEN INC.VP of Business Development Jun 24, 2025 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• TTECOGEN INC. TGEN41,389 shares²$94.4K at $2.28Jun 26, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jun 26, 2026Granted 29,013 shares of TECOGEN INC.³
• Jun 26, 2026Granted 29,013 shares of TECOGEN INC.²
• Jul 24, 2025Granted 11,976 shares of TECOGEN INC.⁴
• Jun 23, 2025Sold 10,000 shares at $7.25 of TECOGEN INC.⁵
• Jun 23, 2025Exercised 10,000 shares at $1.10 of TECOGEN INC.⁵
• Jun 6, 2025Sold 25,000 shares at $5.98 of TECOGEN INC.⁵
• Jun 6, 2025Exercised 25,000 shares at $1.10 of TECOGEN INC.⁵
• Jun 4, 2025Sold 15,000 shares at $5.00 of TECOGEN INC.⁵
• Jun 4, 2025Exercised 15,000 shares at $0.71 of TECOGEN INC.⁵
• Jun 3, 2025Sold 10,000 shares at $4.88 of TECOGEN INC.⁵
• Jun 3, 2025Exercised 10,000 shares at $0.71 of TECOGEN INC.⁵
• Mar 3, 2025Bought 400 shares at $2.50 of TECOGEN INC.⁵