Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip · SIC 3585

TECOGEN INC.

TGEN

Watch

Latest revenue

$6.3M

as of 2026-03-31

Latest net income

$-2.1M

as of 2026-03-31

Net margin

-33.5%

as of 2026-03-31

6.0
of 10

ActaClear Score

Above avg
#6 of 9 in Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
new
Profitability·25%
6.7
Growth·15%
5.0
Value·20%
3.1
Quality·20%
10.0
Momentum·20%
5.0

Computed from 5 years of SEC fundamentals + latest market data, ranked within Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (9 peers). 10 = best in industry, 5 = median, 0 = worst. Refreshed Jun 6, 2026.

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Price · 5Y

+27.5% / yr 7.8 pts / yr vs S&P 500 235.7% total
Compare:

Live market

delayed ≤15 min
$5.74
16.81%
Market cap
$142.6M
Enterprise value
$134.7M
P/E (trailing)
Forward P/E
P/B
7.24×
Dividend yield
0.0%
52-wk high
$12.07
52-wk low
$1.94
Beta
Shares out
24.9M

5-year trend

What this company does

AI

TECOGEN INC. PART 1 Item 1. Business Our Company Tecogen Inc., a Delaware corporation (together with its subsidiaries "we", "our", "us", "Tecogen," or "Company") produces commercial and industrial, natural-gas-fueled engine-driven, combined heat and power (CHP) products that reduce energy costs, decrease greenhouse gas emissions and alleviate congestion on the national power grid. Our products supply electric power or mechanical power for cooling, while heat from the engine is recovered and purposefully used at a customer facility. The majority of our customers are located in regions with the highest utility rates, typically California, the Midwest and the Northeast. We were incorporated in…

AI summary unavailable — showing raw filing excerpt

Generated from TGEN's filing dated 2026-03-19

Key risks

AI

TECOGEN INC. Item 1A. Risk Factors Our business operations, financial condition, results of operations and stock price may be affected by a number of factors. In addition to the other information in this Annual Report on Form 10-K, the following factors and the information contained under the heading ''Cautionary Note Concerning Forward-Looking Statements'' should be considered in evaluating our company and our business. The risks described below may not be the only risks we face. Additional risks that we do not yet know of, or that we currently think are immaterial, may also impair our business operations or financial results. If any of the events or circumstances described in the…

AI summary unavailable — showing raw filing excerpt

Generated from TGEN's filing dated 2026-03-19

Profitability

Gross margin

36.3%

16.8%

Operating margin

-30.5%

51.9%

Net margin

-30.5%

44.8%

Return on equity

-38.1%

18.1%

Return on assets

-22.3%

45.7%

Leverage

Debt / equity

0.71×

65.2%

Long-term debt / equity

0.05×

69.7%

Debt / assets

41.5%

38.2%

Earnings tracker

QuarterRevenueYoYNet incomeYoYNet margin

Q1 2026

2026-03-31

$6.3M-12.9%$-2.1M-221.3%-33.5%

Q4 2025

2025-12-31

$5.3M-12.5%$-4.0M-236.7%-75.1%

Q3 2025

2025-09-30

$7.2M+27.6%$-2.1M-129.0%-29.7%

Q2 2025

2025-06-30

$7.3M+54.3%$-1.5M+4.9%-20.1%

Q1 2025

2025-03-31

$7.3M+17.6%$-659.9K+40.3%-9.1%

Q4 2024

2024-12-31

$6.1M$-1.2M-19.5%

Q3 2024

2024-09-30

$5.6M-20.8%$-930.4K-93.2%-16.5%

Q2 2024

2024-06-30

$4.7M-29.9%$-1.5M-97.3%-32.5%

Year-over-year change vs the same fiscal quarter one year prior. Revenue + net income sourced from SEC 10-Q / 10-K filings — no analyst-consensus dependency.

Industry trend

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip · SIC 3585

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Insider activity

Insider buying

$134.0K

Insider selling

$346.3K

Net activity

−$212.3K

Distinct insiders

8

Open-market trades over the last 365 days.

Recent transactions

DateInsiderTypeSharesPriceValue
2026-04-24

Ahmed Ghoniem

Director

Purchase12,723$0.79$10.0K
2026-04-13

Susan B Hirsch

Director

Purchase5,000$3.73$18.6K
2026-03-27

Susan B Hirsch

Director

Purchase10,000$2.54$25.4K
2026-03-27

Earl Lewis

Director

Purchase5,000$2.52$12.6K
2026-03-26

Earl Lewis

Director

Purchase5,000$2.88$14.4K
2026-03-23

John Kimball Whiting IV

General Counsel & Secretary

Purchase10,000$2.38$23.8K
2026-03-20

Roger P. Deschenes

CAO

Purchase10,000$2.23$22.3K
2026-03-20

Abinand Rangesh

Chief Executive Officer

Purchase3,000$2.30$6.9K
2025-06-24

Robert A Panora

COO and President

Sale900$6.86$6.2K
2025-06-23

Robert A Panora

COO and President

Sale31,800$6.36$202.2K
2025-06-23

Stephen Lafaille

VP of Business Development

Sale10,000$7.25$72.5K
2025-06-18

Robert A Panora

COO and President

Sale13,000$5.03$65.4K

Source: SEC Form 4 filings. Officers, directors, and 10%+ owners must disclose share transactions within two business days. RSU grants and tax-withholding rows are excluded by default — compensation activity is not a trading signal.

Who owns TGEN

Institutional value

$10.8M

Total shares held

4.4M

Distinct holders

28

-38 vs prior

As of

2026-03-31

Prior: 2025-12-31

Filers with $100M+ AUM disclose holdings 45 days after quarter end.

Top institutional holders

#ManagerSharesValueQoQ changeAction
1VANGUARD CAPITAL MANAGEMENT LLC770.0K$2.0MNew
2BARD ASSOCIATES INC688.3K$1.8M-798 (-0.1%)Trimmed
3Clear Harbor Asset Management, LLC650.0K$1.7M+40.0K (+6.6%)Added
4Herald Investment Management Ltd420.0K$1.1M+0 (+0.0%)No change
5Palisades Investment Partners, LLC333.9K$854.8K-56.3K (-14.4%)Trimmed
6UBS Group AG319.8K$818.8K+214.9K (+204.7%)Added
7BlackRock, Inc.184.8K$473.0K-6.6K (-3.4%)Trimmed
8NEW YORK STATE COMMON RETIREMENT FUND137.2K$351.2K+0 (+0.0%)No change
9HighTower Advisors, LLC132.7K$339.6K+0 (+0.0%)No change
10JANE STREET GROUP, LLC117.3K$300.4K-90.3K (-43.5%)Trimmed
11THOMPSON DAVIS & CO., INC.99.0K$253.4K-21.4K (-17.8%)Trimmed
12VANGUARD FIDUCIARY TRUST CO96.4K$246.9KNew
13GROUP ONE TRADING LLC83.9K$214.8K+27.3K (+48.3%)Added
14PFG Investments, LLC62.5K$160.1K+0 (+0.0%)No change
15LPL Financial LLC41.3K$105.6K-32.5K (-44.1%)Trimmed
16Pathstone Holdings, LLC18.7K$47.9K+0 (+0.0%)No change
17COMMONWEALTH EQUITY SERVICES, LLC16.1K$41.3K+4.3K (+36.9%)Added
18IMC-Chicago, LLC13.7K$34.9K-29.3K (-68.2%)Trimmed
19DIMENSIONAL FUND ADVISORS LP11.2K$28.6KNew
20CITIZENS FINANCIAL GROUP INC/RI10.0K$25.6KNew

Source: SEC Form 13F-HR. Positions aggregated across sub-managers within each firm. Options (puts/calls) excluded — common stock only.

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