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.

Form Description Filed Period
ARS Annual report to shareholders Jun 24, 2026 Dec 31, 2025
10-K Annual report Mar 31, 2026 Dec 31, 2025
10-K Annual report Mar 31, 2025 Dec 31, 2024
ARS Annual report to shareholders Nov 27, 2024 Dec 31, 2023
10-K Annual report Apr 16, 2024 Dec 31, 2023
ARS Annual report to shareholders Nov 6, 2023 Dec 31, 2022
10-K Annual report May 15, 2023 Dec 31, 2022
10-K Annual report Apr 5, 2022 Dec 31, 2021
10-K Annual report Apr 5, 2021 Dec 31, 2020
10-K Annual report May 14, 2020 Dec 31, 2019
10-K/A Amended annual report Apr 30, 2019 Dec 31, 2018
10-K Annual report Apr 11, 2019 Dec 31, 2018
10-K Annual report Apr 17, 2018 Dec 31, 2017
10-K Annual report Mar 28, 2017 Dec 31, 2016
10-K/A Amended annual report Apr 29, 2016 Dec 31, 2015
10-K Annual report Mar 30, 2016 Dec 31, 2015
10-K/A Amended annual report Nov 6, 2015 Dec 31, 2014
10-K Annual report Mar 20, 2015 Dec 31, 2014
ARS Annual report to shareholders Oct 27, 2014 Dec 31, 2013
10-K Annual report Mar 14, 2014 Dec 31, 2013
10-K Annual report Mar 13, 2013 Dec 31, 2012
10-K/A Amended annual report Dec 21, 2012 Dec 31, 2011
10-K Annual report Apr 12, 2012 Dec 31, 2011
10-K Annual report Apr 19, 2011 Dec 31, 2010
10-K Annual report Apr 15, 2010 Dec 31, 2009
ARS Annual report to shareholders Jun 12, 2009 Dec 31, 2008
10-K Annual report Apr 13, 2009 Dec 31, 2008

Showing 27 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.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

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)

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