Tecogen Inc.
Organization details
- Legal name
- Tecogen Inc.
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Industrials
- SIC code
- 3585 — Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- North Billerica
- Headquarters state / province
- Massachusetts
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- TGEN
- Primary stock exchange
- NYSE American
Identifiers
- SEC CIK
- 0001537435
- EIN
- 04-3536131
Board of directors
-
Abinand Rangesh · Director · Chief Executive OfficerSince 2023
-
Ahmed Ghoniem · DirectorSince 2023
-
Angelina Galiteva · DirectorSince 2023
-
Earl R. Lewis · DirectorSince 2023
-
Fred Holubow · DirectorSince 2023
-
John Hatsopoulos · DirectorSince 2023
-
John M. Albertine · DirectorSince 2023
-
Susan B. Hirsch · DirectorSince 2023
Chief executives
Director election results
Annual meeting of June 5, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
82.1%
-
82.8%
-
89.1%
-
89.3%
-
98.3%
-
98.4%
-
99.1%
Board connections
2 of this board's directors also sit on 2 other boards. 1 is in the same sector.
- via Susan B. Hirsch
-
Kadant Inc Same sectorvia John M. Albertine
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $134,101
- 8 purchases by 6 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 26, 2026 | Whiting John Kimball IV Officer (General Counsel & Secretary) | Grant or award | +19,342 | — | — |
| Jun 26, 2026 | Lafaille Stephen Officer (VP of Business Development) | Grant or award | +29,013 | — | — |
| Jun 26, 2026 | Deschenes Roger P. Officer (CAO) | Grant or award | +29,013 | — | — |
| Jun 26, 2026 | Panora Robert Officer (COO and President) | Grant or award | +9,671 | — | — |
| Jun 26, 2026 | Abinand Rangesh Director, Officer (Chief Executive Officer), Chief Financial Officer | Grant or award | +174,081 | — | — |
| Apr 24, 2026 | Ahmed Ghoniem Director | Open-market purchase | +12,723 | $0.79 | $10,051 |
| Apr 13, 2026 | Susan B. Hirsch Director | Open-market purchase | +5,000 | $3.73 | $18,650 |
| Mar 27, 2026 | Susan B. Hirsch Director | Open-market purchase | +10,000 | $2.54 | $25,400 |
| Mar 27, 2026 | Earl R. Lewis Director | Open-market purchase | +5,000 | $2.52 | $12,600 |
| Mar 26, 2026 | Earl R. Lewis Director | Open-market purchase | +5,000 | $2.88 | $14,400 |
| Mar 23, 2026 | Whiting John Kimball IV Officer (General Counsel & Secretary) | Open-market purchase | +10,000 | $2.38 | $23,800 |
| Mar 20, 2026 | Deschenes Roger P. Officer (CAO) | Open-market purchase | +10,000 | $2.23 | $22,300 |
| Mar 20, 2026 | Abinand Rangesh Director, Officer (Chief Executive Officer), Chief Financial Officer | Open-market purchase | +3,000 | $2.30 | $6,900 |
| Mar 20, 2026 | John Hatsopoulos Director | Option exercise | +50,000 | $0.88 | $44,000 |
| Jul 24, 2025 | Lafaille Stephen Officer (VP of Business Development) | Grant or award | +11,976 | — | — |
Peers
Compare boardsOrganizations in the same sector, closest in location and size first.
Questions about Tecogen Inc.
Who is the CEO of Tecogen Inc.?
Abinand Rangesh is Tecogen Inc.'s Chief Executive Officer.
How many directors are on Tecogen Inc.'s board?
Tecogen Inc.'s board has 8 directors: Abinand Rangesh, Ahmed Ghoniem, Angelina Galiteva, Earl R. Lewis, Fred Holubow, John Hatsopoulos, John M. Albertine and Susan B. Hirsch.
Are Tecogen Inc. insiders buying or selling shares?
Over the last 12 months, Tecogen Inc. insiders bought $134,101 of shares in 8 purchases and made no open-market sales on the open market, as reported to the SEC on Forms 4 and 5.
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