---
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"
generated_at: "2026-06-23T18:59:52.001593+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Midwest Energy Emissions extends debt maturity from Aug 25 to Sep 30, 2022

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: debt
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-22-006550
- JSON: https://secwatch.observer/filing/0001477932-22-006550.json
- Plain text: https://secwatch.observer/filing/0001477932-22-006550.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.
