---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-21-007834"
form_type: "8-K"
ticker: "BCHT"
cik: "0000728385"
company_name: "Birchtech Corp."
filed_at: "2021-11-05T23:59:59+00:00"
generated_at: "2026-06-28T12:25:05.217457+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# MEEC reports preliminary Q3 revenue at least $4.9M, up ~75% YoY; highest quarterly revenue in over 3 years

## Summary
- Preliminary Q3 2021 revenue at least $4.9M, up approx 75% YoY from $2.8M in Q3 2020.
- Phase 1 REE testing with Penn State achieved 80–90% extraction efficiency for select rare earth elements.
- Court allowed discovery to proceed in July 2019 patent-infringement suit against refined coal entities.
- Entered five-year non-exclusive license agreement with a Midwest U.S. utility for mercury-capture patents.
- Q4 core revenue guided to ~$4M; expects positive operating cash flow and significant full-year growth over 2020.

## SEC filing metadata
- accession: 0001477932-21-007834
- form_type: 8-K
- ticker: BCHT
- cik: 0000728385
- company_name: Birchtech Corp.
- filed_at: 2021-11-05T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/728385/000147793221007834/0001477932-21-007834-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/728385/000147793221007834/meec_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-21-007834
- JSON: https://secwatch.observer/filing/0001477932-21-007834.json
- Plain text: https://secwatch.observer/filing/0001477932-21-007834.txt

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