# Birchtech Corp.: Form S-1, filed Jan 13, 2026

- Company: [Birchtech Corp.](/companies/bcht.md) (CIK 728385)
- Form: S-1
- Filed: 2026-01-13
- Accepted by EDGAR: Jan 13, 2026, 21:57 ET
- Period: not reported
- Accession: 0001104659-26-003397
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/728385/000110465926003397/tmb-20250930xs1.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/728385/000110465926003397/

## 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/728385/000110465926003397/tmb-20250930xs1.htm

Filed Jan 13, 2026.
Source: SEC EDGAR, the filing index for accession 0001104659-26-003397. Last ingested by Listed: Oct 24, 2026, 14:55 ET. No prices; not investment advice.