# Birchtech Corp.: Form S-1/A, filed Feb 12, 2026

- Company: [Birchtech Corp.](/companies/bcht.md) (CIK 728385)
- Form: S-1/A
- Filed: 2026-02-12
- Accepted by EDGAR: Feb 12, 2026, 18:27 ET
- Period: not reported
- Accession: 0001104659-26-014131
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/728385/000110465926014131/tmb-20250930xs1a.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/728385/000110465926014131/

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/728385/000110465926014131/tmb-20250930xs1a.htm

Filed Feb 12, 2026.
Source: SEC EDGAR, the filing index for accession 0001104659-26-014131. Last ingested by Listed: Oct 24, 2026, 14:55 ET. No prices; not investment advice.