{"schema_version":"secwatch.filing_event.v1","accession":"0001537435-25-000097","form_type":"8-K","ticker":"TGEN","cik":"0001537435","company_name":"TECOGEN INC.","filed_at":"2025-07-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.270788+00:00","generated_at":"2026-05-18T05:03:26.480667+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Tecogen closes $19.9M public offering of 3.985M shares at $5.00 per share","bullets":["Closed underwritten public offering of 3,985,000 shares (including 485,000 overallotment) at $5.00/share.","Net proceeds to Tecogen were approximately $18.16M after underwriting discounts and estimated expenses.","Proceeds to fund product development, sales/marketing, and anticipated expansion into the data center market.","Roth Capital Partners acted as sole manager and underwriter for the offering."],"urls":{"canonical":"https://secwatch.observer/filing/0001537435-25-000097","json":"https://secwatch.observer/filing/0001537435-25-000097.json","markdown":"https://secwatch.observer/filing/0001537435-25-000097.md","text":"https://secwatch.observer/filing/0001537435-25-000097.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1537435/000153743525000097/0001537435-25-000097-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1537435/000153743525000097/tgen-20250721.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T05:03:26.480667+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"}