# EDGAR Filing Document

**Accession Number:** 0001537435
**File Stem:** 0001537435-23-000003
**Filing Date:** 2023-1
**Character Count:** 9613
**Document Hash:** 98a800449feebe6b65178f921d0e9d32
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001537435-23-000003.hdr.sgml**: 20230130

**ACCESSION NUMBER**: 0001537435-23-000003

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 16

**CONFORMED PERIOD OF REPORT**: 20230130

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**FILED AS OF DATE**: 20230130

**DATE AS OF CHANGE**: 20230130

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TECOGEN INC.
- **CENTRAL INDEX KEY:** 0001537435
- **STANDARD INDUSTRIAL CLASSIFICATION:** AIR COND & WARM AIR HEATING EQUIP & COMM & INDL REFRIG EQUIP [3585]
- **IRS NUMBER:** 043536131
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36103
- **FILM NUMBER:** 23565419

**BUSINESS ADDRESS:**
- **STREET 1:** 45 FIRST AVENUE
- **CITY:** WALTHAM
- **STATE:** MA
- **ZIP:** 02451
- **BUSINESS PHONE:** 781-466-6400

**MAIL ADDRESS:**
- **STREET 1:** 45 FIRST AVENUE
- **CITY:** WALTHAM
- **STATE:** MA
- **ZIP:** 02451

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** TECOGEN INC
- **DATE OF NAME CHANGE:** 20111215

?xml version="1.0" ? tgen-20230130

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**__________________________**

**FORM 8-K**

**CURRENT REPORT**

**PURSUANT TO SECTION 13 OR 15(d) OF THE**

**SECURITIES EXCHANGE ACT OF 1934**

Date of report: January 30, 2023

![tgen-20230130_g1.jpg](tgen-20230130_g1.jpg)

**TECOGEN INC. (OTCQX: TGEN)**

(Exact Name of Registrant as Specified in Charter)

Delaware

(State or Other Jurisdiction of Incorporation)

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| | |
|:---|:---|
| 001-36103 | 04-3536131 |
| (Commission File Number) | (IRS Employer Identification No.) |
| 45 First Avenue | |
| Waltham, Massachusetts | 02451 |
| (Address of Principal Executive Offices) | (Zip Code) |

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(781) 466-6400

(Registrant's telephone number, including area code)

_______________________________________________

Securities registered or to be registered pursuant to Section 12(b) of the Act.

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol** | **Name of exchange on which registered** |

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

**☐** Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

**☐** Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

**☐** Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

**☐** Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company **☐** 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. □

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**Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.**

On January 30, 2023, Tecogen Inc. (the "Company") issued a press release announcing that the Company's Board of Directors appointed Dr. Abinand Rangesh to serve as the CEO of the Company effective January 30, 2023. Dr. Rangesh will also continue to serve as the CFO of the Company. A copy of the press release is attached as Exhibit 99.01. Also on January 30, 2023 Benjamin M. Locke resigned as CEO and as a director of the Company and its affiliates effective January 30, 2023 and entered into a Consulting Agreement with the Company pursuant to which he will continue to be available for consultation with management of the Company.

The information in Exhibit 99.01 to this Current Report on Form 8-K shall not be deemed "filed" for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such a filing.

**Item 9.01. Financial Statements and Exhibits.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) Exhibits

The following exhibit relating to Item 5.02 shall be deemed to be furnished, and not filed:

<u>Exhibit</u> <u>Description</u> <br> 99.01 <u>[Tecogen Press Release re Appointment of Abinand Rangesh as CEO](tecogenappointsabinandra.htm)</u>

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the Company has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

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| | |
|:---|:---|
| | TECOGEN INC.<br>By: /s/ Abinand Rangesh |
| January 30, 2023 | Abinand Rangesh, Chief Executive Officer |

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## Exhibit 99.01

![](tecogenappointsabinandra001.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;Tecogen Inc. 45 First Avenue, Waltham, MA 02451 • ph: 781-466-6400 • fax: 781-466-6466 • www.tecogen.com Tecogen Appoints Abinand Rangesh as CEO WALTHAM, MA, 1/30/2023 – Tecogen Inc. (OTCQX: TGEN), a clean energy company providing ultra-efficient and clean on-site power, heating, and cooling equipment, is pleased to announce the appointment of Dr. Abinand Rangesh as CEO. Dr. Rangesh is presently the CFO and a member of the Company's Board of Directors. He has been with the Company since 2016 and has held roles in various divisions including sales, business development and strategy. Prior to joining Tecogen, he was the CTO of Lumisolair, a solar and wind powered off-grid energy company, COO of Peek You, a software company and CEO of Lumi Ventures where he oversaw multiple startup investments for a high-net-worth investor. In addition, Dr. Rangesh has multiple design patents and has published multiple scientific papers in peer reviewed journals. Dr. Rangesh earned both his Ph.D. and engineering degree from the University of Cambridge, United Kingdom. "We thank Mr. Benjamin Locke, the outgoing CEO, for his years of dedicated service to the company and wish him all the best in his next chapter," said Dr. John Hatsopoulos, Lead Director of Tecogen, "Dr. Rangesh brings a unique blend of strategy, engineering and finance skills and experience in company turn arounds. We would like to congratulate Dr. Rangesh on his new role and look forward to unlocking the value of Tecogen for our shareholders." About Tecogen Tecogen Inc. designs, manufactures, installs, and maintains high efficiency and ultra-clean cogeneration products, including combined heat and power systems, air conditioning systems, and high-efficiency water heaters for residential, commercial, recreational, and industrial applications. The company's cost efficient, reliable, and environmentally friendly products for energy production nearly eliminate criteria pollutants and significantly reduce customers' carbon footprint. In business for over 35 years, Tecogen has shipped more than 3,150 units, supported by an established network of engineering, sales, and service personnel throughout North America. Aggregate run hours on Tecogen's InVerde cogeneration systems exceeds 5 million hours. For more information, please visit www.tecogen.com or contact us for a free Site Assessment. Tecogen, InVerde e+, Ilios, Tecochill, Tecofrost, Tecopack, Tecopower, and Ultera are registered trademarks of Tecogen Inc. Forward Looking Statements This press release contains "forward-looking statements" which may describe strategies, goals, outlooks or other non-historical matters, or projected revenues, income, returns or other financial measures, that may include words such as "believe," "expect," "anticipate," "intend," "plan," "estimate," "likely" or "may" and similar expressions intended to identify forward-looking statements. These statements are only predictions and involve known and unknown risks, uncertainties and other factors that may cause our actual results to differ materially from those expressed or implied by such forward-looking statements. Forward-looking statements speak only as of the date on which they are made, and we undertake no obligation to update or revise any forward-looking statements.

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![](tecogenappointsabinandra002.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tecogen Inc. 45 First Avenue, Waltham, MA 02451 • ph: 781-466-6400 • fax: 781-466-6466 • www.tecogen.com In addition to the Risk Factors described in our Annual Report on Form 10-K and our Quarterly Reports on Form 10-Q under "Risk Factors," factors that could cause our actual results to differ materially from past and projected future results include the impact of the coronavirus pandemic on demand for our products and services, the availability of incentives, rebates and tax benefits relating to our products, changes in the regulatory environment relating to our products, competing technological developments, and the availability of financing to fund our operations and growth. Tecogen Media & Investor Relations Contact Information: Abinand Rangesh, CEO P: (781) 466-6402 E: Abinand.Rangesh@Tecogen.com

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