FilingIndex
S-1The Raise

Birchtech Corp. files S-1

Filed Jan 13, 2026 · 5mo ago · Accession 0001104659-26-003397

Plain English

IPO registration — a company preparing to go public.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
BCHT
CIK
728385
Form type
S-1
Filing date
Jan 13, 2026
Report date
Document
tmb-20250930xs1.htm
Size
22.9 MB