# Birchtech Corp.: Form SC 13D/A, filed Mar 13, 2024

- Company: [Birchtech Corp.](/companies/bcht.md) (CIK 728385)
- Form: SC 13D/A
- Filed: 2024-03-13
- Accepted by EDGAR: Mar 13, 2024, 22:30 ET
- Period: not reported
- Accession: 0001493152-24-009861
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/728385/000149315224009861/formsc13da.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/728385/000149315224009861/

## 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/728385/000149315224009861/formsc13da.htm

Filed Mar 13, 2024.
Source: SEC EDGAR, the filing index for accession 0001493152-24-009861. Last ingested by Listed: Oct 24, 2026, 14:55 ET. No prices; not investment advice.