{"schema_version":"secwatch.filing_event.v1","accession":"0001537435-24-000110","form_type":"8-K","ticker":"TGEN","cik":"0001537435","company_name":"TECOGEN INC.","filed_at":"2024-09-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:13.441674+00:00","generated_at":"2026-05-31T02:23:38.738647+00:00","sec_items":["1.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Tecogen borrows $500K from director Earl R. Lewis III at 4.57%","bullets":["Promissory note for $500,000 executed on Sept 18, 2024, with one-year maturity.","Interest rate fixed at 4.57% per annum; lender is director and shareholder.","Loan made under Note Subscription Agreement dated Oct 9, 2023, as amended."],"urls":{"canonical":"https://secwatch.observer/filing/0001537435-24-000110","json":"https://secwatch.observer/filing/0001537435-24-000110.json","markdown":"https://secwatch.observer/filing/0001537435-24-000110.md","text":"https://secwatch.observer/filing/0001537435-24-000110.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1537435/000153743524000110/0001537435-24-000110-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1537435/000153743524000110/tgen-20240918.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T02:23:38.738647+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}