{"schema_version":"secwatch.filing_event.v1","accession":"0001537435-22-000134","form_type":"8-K","ticker":"TGEN","cik":"0001537435","company_name":"TECOGEN INC.","filed_at":"2022-12-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:51.074927+00:00","generated_at":"2026-06-21T07:30:04.521602+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Tecogen appoints Dr. John M. Albertine to Board of Directors and Audit Committee","bullets":["Dr. Albertine appointed as director and Audit Committee member effective November 28, 2022.","Appointment fills a vacancy on Tecogen's Board of Directors.","Announced on December 7, 2022; written consent dated November 28, 2022."],"urls":{"canonical":"https://secwatch.observer/filing/0001537435-22-000134","json":"https://secwatch.observer/filing/0001537435-22-000134.json","markdown":"https://secwatch.observer/filing/0001537435-22-000134.md","text":"https://secwatch.observer/filing/0001537435-22-000134.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1537435/000153743522000134/0001537435-22-000134-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1537435/000153743522000134/tgen-20221208.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T07:30:04.521602+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"7181ba9c32","claim":"Dr. John M. Albertine was appointed as director at TECOGEN INC..","evidence_excerpt":"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.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1537435/000153743522000134/0001537435-22-000134-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}