Tecogen Inc.
TGENAs of the close on Sep 25, 2026
Price
$3.05
Market cap
$92.1M
P/E (diluted TTM)
—
Not meaningful: the last four quarters were a loss
EPS (TTM)
−$0.35
Four quarters to Jun 30, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments
Figures shown here come from public SEC filings. Dates beside each section show the available history.
How Tecogen Inc. Makes Money
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From revenue to net income
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Financial Summary
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 15 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 30, 2026.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Independent insiders buying near the same time
- 2026-03-20–2026-03-27: 6 event(s) across 5 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing )
- 2024-04-24–2024-05-01: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2024-04-23–2024-04-24: 4 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2024-01-18–2024-01-24: 4 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2024-01-16–2024-01-23: 4 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2023-10-12–2023-10-19: 4 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2023-09-29–2023-10-06: 4 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2023-09-26–2023-10-02: 5 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing )
- 2023-09-19–2023-09-26: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2023-09-14–2023-09-19: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2023-09-07–2023-09-14: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2023-09-05–2023-09-08: 4 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2023-08-30–2023-09-05: 3 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2023-08-17–2023-08-23: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2023-08-15–2023-08-22: 4 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2023-08-14–2023-08-17: 4 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2023-06-20–2023-06-26: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2023-06-15–2023-06-20: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2023-05-15–2023-05-15: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2023-03-22–2023-03-29: 12 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing , filing , filing , filing , filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-04-24 | Ghoniem Ahmed · Director | Common Stock | P — Open market or private purchase | +12,723 | 0.79 | SEC filing |
| 2026-04-13 | Hirsch Susan B · Director | Common Stock | P — Open market or private purchase | +5,000 | 3.73 | SEC filing |
| 2026-03-27 | Lewis Earl · Director | Common Stock | P — Open market or private purchase | +5,000 | 2.52 | SEC filing |
| 2026-03-27 | Hirsch Susan B · Director | Common Stock | P — Open market or private purchase | +10,000 | 2.54 | SEC filing |
| 2026-03-26 | Lewis Earl · Director | Common Stock | P — Open market or private purchase | +5,000 | 2.88 | SEC filing |
| 2026-03-23 | Whiting John Kimball IV · General Counsel & Secretary | Common Stock | P — Open market or private purchase | +10,000 | 2.38 | SEC filing |
| 2026-03-20 | Rangesh Abinand · Chief Executive Officer | Common Stock | P — Open market or private purchase | +3,000 | 2.30 | SEC filing |
| 2026-03-20 | Deschenes Roger P. · CAO | Common Stock | P — Open market or private purchase | +10,000 | 2.23 | SEC filing |
Showing 8 of 19 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-26 | Ghoniem Ahmed · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +25,000 | SEC filing |
| 2026-06-26 | Panora Robert · COO and President | Common Stock | A — Grant, award, or other acquisition | +9,671 | SEC filing |
| 2026-06-26 | Galiteva Angelina · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +25,000 | SEC filing |
| 2026-06-26 | Lafaille Stephen · VP of Business Development | Common Stock | A — Grant, award, or other acquisition | +29,013 | SEC filing |
| 2026-06-26 | ALBERTINE JOHN M · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +25,000 | SEC filing |
| 2026-06-26 | Rangesh Abinand · Chief Executive Officer | Common Stock | A — Grant, award, or other acquisition | +174,081 | SEC filing |
| 2026-06-26 | Panora Robert · COO and President | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +26,041 | SEC filing |
| 2026-06-26 | Deschenes Roger P. · CAO | Common Stock | A — Grant, award, or other acquisition | +29,013 | SEC filing |
Showing 8 of 20 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2025-05-01 | LEWIS EARL R · Director | Common Stock | J — Other acquisition or disposition | +240,256 | SEC filing |
| 2023-10-09 | LEWIS EARL R · Director | Common Stock | J — Other acquisition or disposition | −2,000 | SEC filing |
Showing 2 of 2 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.