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
DEF 14A Proxy statement Jun 24, 2026 Jul 23, 2026
PRE 14A Preliminary proxy statement Jun 8, 2026 Jul 23, 2026
DEF 14A Proxy statement Nov 27, 2024 Nov 27, 2024
PRE 14A Preliminary proxy statement Nov 13, 2024 Dec 30, 2024
DEF 14A Proxy statement Nov 3, 2023 Nov 3, 2023
DEFA14A Additional proxy material Feb 7, 2022 —
DEF 14A Proxy statement Jan 24, 2022 Jan 24, 2022
PRE 14A Preliminary proxy statement Jan 10, 2022 Jan 10, 2022
DEFA14A Additional proxy material May 21, 2021 —
DEF 14A Proxy statement Apr 30, 2021 Jun 3, 2021
PRE 14A Preliminary proxy statement Apr 16, 2021 Apr 16, 2021
DEF 14A Proxy statement Apr 30, 2018 Apr 30, 2018
DEF 14A Proxy statement May 1, 2017 May 1, 2017
DEF 14A Proxy statement Jul 6, 2016 Jul 6, 2016
DEF 14A Proxy statement Oct 27, 2014 Oct 24, 2014
PRE 14A Preliminary proxy statement Oct 17, 2014 Oct 17, 2014
DEF 14C Information statement Sep 15, 2011 Sep 13, 2011
PRE 14C Form pre 14c Aug 25, 2011 Aug 24, 2011
DEF 14A Proxy statement May 29, 2009 May 29, 2009
DEF 14C Information statement Sep 25, 2008 Sep 25, 2008
PRE 14C Filing Sep 12, 2008 Sep 12, 2008
DEF 14A Proxy statement Jun 9, 2006 Jul 14, 2006
PRE 14A Preliminary proxy statement May 26, 2006 May 26, 2006

Showing 23 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.