Birchtech Corp. SEC filings BCHT

Birchtech Corp. has 807 filings in SEC EDGAR's recent list, going back to Aug 9, 2001. Its latest annual report, Form ARS, was filed on Jun 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Jul 28, 2026 (change to shareholder rights, bylaw or fiscal year change, shareholder vote results). The company's fiscal year ends on December 31.

Birchtech Corp. SEC filings
Form Description Filed Period
424B4 Prospectus Feb 27, 2026 —
S-1/A Amended registration statement Feb 12, 2026 —
S-1/A Amended registration statement Feb 3, 2026 —
S-1 Registration statement Jan 13, 2026 —
S-1 Registration statement Nov 10, 2021 —
424B3 Prospectus Jan 11, 2017 —
S-1 Registration statement Dec 23, 2016 —

Showing 7 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Measuring & Controlling Devices, NEC (SIC 3829)
Listed as
BCHT (NYSE)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Corsicana, TX
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
728385
Former names
Midwest Energy Emissions Corp. (until Aug 12, 2024); China Youth Media, Inc. (until Oct 6, 2011); DIGICORP, INC. (until Sep 25, 2008); DIGICORP (until Mar 31, 2008)

Other Measuring & Controlling Devices, NEC companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.