{"schema_version":"secwatch.filing_event.v1","accession":"0001537435-25-000024","form_type":"8-K","ticker":"TGEN","cik":"0001537435","company_name":"TECOGEN INC.","filed_at":"2025-05-02T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.687957+00:00","generated_at":"2026-05-22T22:42:04.431194+00:00","sec_items":["1.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Tecogen director converts $514K promissory note into 240,256 common shares at $2.14/share","bullets":["Earl R. Lewis III converted outstanding debt of $514,148.22 (principal + interest) to 240,256 shares of common stock.","Conversion price of $2.14 per share based on 30-trading-day average closing price.","Note originally issued Sept. 18, 2024 with $500,000 principal; conversion extinguishes the liability.","Transaction eliminates a $514K debt and increases diluted share count by 240,256."],"urls":{"canonical":"https://secwatch.observer/filing/0001537435-25-000024","json":"https://secwatch.observer/filing/0001537435-25-000024.json","markdown":"https://secwatch.observer/filing/0001537435-25-000024.md","text":"https://secwatch.observer/filing/0001537435-25-000024.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1537435/000153743525000024/0001537435-25-000024-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1537435/000153743525000024/tgen-20250501.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-22T22:42:04.431194+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"}