{"schema_version":"secwatch.filing_event.v1","accession":"0001477932-22-006550","form_type":"8-K","ticker":"BCHT","cik":"0000728385","company_name":"Birchtech Corp.","filed_at":"2022-08-31T23:59:59+00:00","discovered_at":"2026-05-14T18:03:58.032274+00:00","generated_at":"2026-06-23T18:59:52.001593+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Midwest Energy Emissions extends debt maturity from Aug 25 to Sep 30, 2022","bullets":["AC Midwest Energy LLC extended maturity of outstanding secured and unsecured debt from August 25, 2022 to September 30, 2022.","Company expects to finalize modifications to financing arrangements prior to the new maturity date.","Extension letter executed on August 30, 2022; filed as Exhibit 10.1."],"urls":{"canonical":"https://secwatch.observer/filing/0001477932-22-006550","json":"https://secwatch.observer/filing/0001477932-22-006550.json","markdown":"https://secwatch.observer/filing/0001477932-22-006550.md","text":"https://secwatch.observer/filing/0001477932-22-006550.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/728385/000147793222006550/0001477932-22-006550-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/728385/000147793222006550/meec_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T18:59:52.001593+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"}