Source-grounded facts extracted from TECOGEN INC.'s SEC 8-K filings across all families, newest first. Each cites a verbatim SEC excerpt.
TECOGEN INC. shareholders approved Non-binding advisory vote on frequency of say-on-pay votes at the 2026-06-05 meeting.
“Proposal 4: Non-binding advisory vote on frequency of say-on-pay votes A majority of the votes cast at the meeting voted to recommend that say-on-pay votes be held every three years”
TECOGEN INC. shareholders approved Non-binding advisory vote to approve compensation paid to named executive officers in 2025 at the 2026-06-05 meeting.
“Proposal 3: Non-binding advisory vote on compensation paid to named executive officers in 2025 A majority of the votes cast at the meeting approved the compensation”
TECOGEN INC. shareholders approved Ratification of appointment of Wolf & Company, P.C. as independent auditors at the 2026-06-05 meeting.
“Proposal 2: Ratification of appointment of auditors The holders of a majority of the shares entitled to vote thereon voted in favor of the ratification”
TECOGEN INC. shareholders approved Election of seven directors at the 2026-06-05 meeting.
“Proposal 1: Election of directors All of the nominees received at least a plurality of the votes cast by stockholders entitled to vote thereon and therefore each of the nominees were elected”
TECOGEN INC. reported the quarter ended March 31, 2026 results: revenue $6.34 million, net income net loss of $2.12 million, EPS a loss of $0.07 /share.
“Tecogen Inc. (NYSE American:TGEN), a leading manufacturer of clean energy products, reported revenues of $6.34 million and net loss of $2.12 million for the quarter ended March 31, 2026 compared to revenues of $7.28 million, and a net loss of $0.66 million in 2025.”
TECOGEN INC. reported three and twelve months ended December 31, 2025 results: revenue $27.07 million, net income net loss of $8.25 million.
“source chiller and marketing." NORTH BILLERICA, Mass., March 17, 2026 - Tecogen Inc. (NYSE American:TGEN), a leading manufacturer of clean energy products, reported revenues of $27.07 million and net loss of $8.25 million for the year December 31, 2025 compared to $22.62 million and net loss of $4.76 million for the same period in 2024, an increase in revenues of”
Joseph E. Gehret departed as Vice President of Operations at TECOGEN INC..
“On February 14, 2025, Mr. Joseph E. Gehret, formerly Vice President of Operations, left the Company to pursue another opportunity.”
TECOGEN INC. reported three months ended March 31, 2024 results: revenue $6.2 million, net income $1.1 million net loss, EPS $(0.04)/share.
“Tecogen Inc. (OTCQX:TGEN), a leading manufacturer of clean energy products, reported revenues of $6.2 million and net loss of $1.1 million for the quarter ended March 31, 2024 compared to revenues of $5.4 million, and a net loss of $1.5 million in 2023.”
TECOGEN INC. amended Agreement Regarding Assignment of Certain Maintenance Agreements with Aegis Energy Services LLC (effective 2024-05-01).
“Effective May 1, 2024 Tecogen Inc. (“Tecogen”) and Aegis Energy Services LLC (“Aegis”) amended the Agreement Regarding Assignment of Certain Maintenance Agreements dated as of March 15, 2023 by and between Tecogen and Aegis, as amended, to add to the agreements assigned to Tecogen by Aegis maintenance services agreements for thirty-one (31) cogeneration units (the “Second Amendment”).”
TECOGEN INC. reported for the year ended December 31, 2023 results: revenue $25.1 million, net income net loss of $4.5 million.
“For the year ended December 31, 2023 revenues were $25.1 million and the net loss was $4.5 million”
TECOGEN INC. reported for the quarter ended December 31, 2023 results: revenue $5.9 million, net income net loss of $1.8 million, EPS a net loss of $0.07/share.
“Tecogen Inc. (OTCQX:TGEN), a leading manufacturer of clean energy products, reported revenues of $5.9 million and a net loss of $1.8 million for the quarter ended December 31, 2023”
TECOGEN INC. amended Amendment with Aegis Energy Services LLC (effective 2024-02-01).
“Effective February 1, 2024 Tecogen Inc. (“Tecogen”) and Aegis Energy Services LLC (“Aegis”) amended the Agreement Regarding Assignment of Certain Maintenance Agreements dated as of March 15, 2023 by and between Tecogen and Aegis to add to the agreements assigned to Tecogen by Aegis maintenance services agreements for sixteen (16) cogeneration units and two (2) chillers (the “Amendment”).”
Fred Holubow departed as director at TECOGEN INC..
“the Board of Directors of Tecogen Inc. is deeply saddened to announce that, on December 12, 2023, it was informed of the death, on December 9, 2023, of Mr. Fred Holubow, a director of the company and a member of the board’s Audit Committee since June 2020.”
TECOGEN INC. reported the three and nine months ended September 30, 2023 results: revenue $7.1 million, net income $0.5 million, EPS $0.02/share.
“Tecogen Announces Third Quarter 2023 Results Q3 2023 revenue of $7.1 million, an increase of 7.5% QoQ WALTHAM, Mass., November 8, 2023 - Tecogen Inc. (OTCQX:TGEN), a leading manufacturer of clean energy products, reported revenues of $7.1 million and a net loss of $0.5 million for the quarter ended September 30, 2023 compared to revenues of $6.6 million, and a net loss of $0.3 million in 2022. For the nine months ended September 30, 2023 revenues were $19.2 million and the net loss was $2.8 million compared to revenues of $20.5 million, and net loss of $1.0 million for the same period in 2022.”
Susan B. Hirsch was appointed as independent non-employee director at TECOGEN INC..
“On September 22, 2023, the Board of Directors of Tecogen Inc. (“registrant”) appointed Ms. Susan B. Hirsch to serve as an independent non-employee director of registrant to fill a vacancy in registrant’s board of directors.”
TECOGEN INC. reported three and six months ended June 30, 2023 results: revenue $6.7 million, net income net loss of $0.8 million, EPS $0.03/share.
“Tecogen Announces Second Quarter 2023 Results Q2 2023 revenue of $6.7 million, an increase of 5.2% QoQ WALTHAM, Mass., August 9, 2023 - Tecogen Inc. (OTCQX:TGEN), a leading manufacturer of clean energy products, reported revenues of $6.7 million and a net loss of $0.8 million for the quarter ended June 30, 2023 compared to revenues of $6.4 million, and a net loss of $0.9 million in 2022.”
TECOGEN INC. reported financial results for the three months ended March 31, 2023.
“On May 10, 2023, the registrant issued a press release with earnings commentary and supplemental information for the three months ended March 31, 2023.”
TECOGEN INC. reported financial results for the three and twelve months ended December 31, 2022.
“On March 16, 2023, the registrant issued a press release with earnings commentary and supplemental information for the three and twelve months ended December 31, 2022.”
Abinand Rangesh was appointed as Chief Executive Officer at TECOGEN INC..
“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.”
Benjamin M. Locke resigned as Chief Executive Officer at TECOGEN INC..
“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”
Dr. John M. Albertine was appointed as director at TECOGEN INC..
“On December 7, 2022, Tecogen Inc. (the “Company”) announced that Dr. John M. Albertine has been appointed as a director of the Company and a member of the Company’s Audit Committee.”
TECOGEN INC. reported the nine months ended September 30, 2022 results: revenue $20.5 million, net income net loss of $1.0 million, EPS a net loss of $0.04/share.
“For the nine months ended September 30, 2022 revenues were $20.5 million and a net loss of $1.0 million compared to revenues of $17.2 million and net income of $3.6 million for the same period in 2021.”
TECOGEN INC. reported the quarter ended September 30, 2022 results: revenue $6.6 million, net income net loss of $0.3 million, EPS a loss of $0.01/share.
“Tecogen Inc. (OTCQX:TGEN), a leading manufacturer of clean energy products, reported revenues of $6.6 million and a net loss of $0.3 million for the quarter ended September 30, 2022 compared to revenues of $5.0 million, and a net profit of $1.5 million in 2021.”
Ralph Jenkins resigned as Director at TECOGEN INC..
“On September 19, 2022, Ralph Jenkins, a director of Tecogen Inc. (the “Company”) notified the Company of his resignation as a director of the Company effective immediately in order to permit him to focus on other business and personal commitments.”
Facts are extracted by an LLM and gated to those whose source quote is present verbatim in the filing text. Coverage is best-effort while backfill and monitoring mature; this is not yet a full-market index. See methodology.