NYSE:TGEN
Tecogen Inc.
Tecogen Inc.'s revenue grew 19.7% in fiscal 2025 to $27.1M while operating margin fell to −30.5%, its lowest in 10 years. Free cash flow was −$10.3M, −38.1% of revenue, and the diluted share count rose 9.5%.Summary generated from Tecogen Inc.'s SEC filings. Latest annual report filed Mar 19, 2026.
Key statistics
Fiscal 2025 from SEC filings. MethodologyRevenue (FY25)$27.1M
Revenue growth+19.7%
Revenue, 5-yr CAGR−0.9%
Gross margin36.3%
Operating margin−30.5%
Net margin−30.5%
ROICn/a
Return on equity−51.8%
Debt / equityn/a
Free cash flow−$10.3M
FCF margin−38.1%
Share count change+9.5%
Financials
| Item | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | 24 | 25 | 25 | 23 | 27 |
| Operating income | −1 | −2 | −4 | −5 | −8 |
| Net income | 4 | −2 | −5 | −5 | −8 |
| Free cash flow | 0 | −2 | −1 | 3 | −10 |
Recent filings
- 8-KOther events
Aug 31, 2026 - 10-QQuarterly report for the period ended Jun 30, 2026
Aug 13, 2026 - 8-KResults of operations and financial condition
Aug 12, 2026 - 8-KDirector or officer change
Jul 1, 2026 - 4Insider transaction report
Jun 30, 2026 - 4Insider transaction report
Jun 30, 2026 - 8-KResults of a shareholder vote
Jun 5, 2026 - 10-QQuarterly report for the period ended Mar 31, 2026
May 13, 2026