---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-25-001435"
form_type: "8-K"
ticker: "BCHT"
cik: "0000728385"
company_name: "Birchtech Corp."
filed_at: "2025-03-04T23:59:59+00:00"
generated_at: "2026-05-25T16:22:01.482372+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Birchtech guides FY2025 revenue at least $23M, up 31% YoY from prelim $17.5M in FY2024

## Summary
- Preliminary unaudited FY2024 revenue at least $17.5 million.
- FY2025 revenue guidance at least $23 million, excluding IP defense cash and water treatment revenues.
- Air business run-rate expected to surpass $40 million by end of 2026.
- CEO cites accelerating market share in coal-fired utility sector for mercury capture technologies.
- Potential incremental revenue from water treatment business and IP defense settlements not included in guidance.

## SEC filing metadata
- accession: 0001477932-25-001435
- form_type: 8-K
- ticker: BCHT
- cik: 0000728385
- company_name: Birchtech Corp.
- filed_at: 2025-03-04T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/728385/000147793225001435/0001477932-25-001435-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/728385/000147793225001435/meec_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-25-001435
- JSON: https://secwatch.observer/filing/0001477932-25-001435.json
- Plain text: https://secwatch.observer/filing/0001477932-25-001435.txt

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