424B4The Raise
Birchtech Corp. files 424B4
Filed Feb 27, 2026 · 4mo ago · Accession 0001104659-26-021168
Plain English
424B4 filed with the SEC.
Read the source below for the full document.
Filing details
- Company
- Birchtech Corp.
- Ticker
- BCHT
- CIK
- 728385
- Form type
- 424B4
- Filing date
- Feb 27, 2026
- Report date
- —
- Document
- tmb-20250930x424b4.htm
- Size
- 3.9 MB